Representative before the EPO

Employment test 51 - 200 employees
Company dna dehns ltd
operating since 1920
1153.5
Headquarter in London and 4 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

Representative before the EPO

Employment test 51 - 200 employees
Company dna valea ab
no operation time available
978.36
Headquarter in Gothenburg and 4 offices
active in Legal Services and IP Consulting

Benjamin Hoffmann has worked on the following 100 EPO patent applications which have been published in the last five years:

EP11717448

WELL SERVICING FLUID

IPC classification:
C09K 8/66, C09K 8/68, C09K 8/84
Agent:
Multiple attorneys, Dehns Ltd
Status:
The patent has been granted
EP11801486

FLUORAPATITE-FORMING CALCIUM PHOSPHATE CEMENTS

IPC classification:
C09K 3/00
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP11729226

ETCHING COMPOSITION AND ITS USE IN A METHOD OF MAKING A PHOTOVOLTAIC CELL

IPC classification:
C09K 13/00, H01L 21/311, H01L 31/18
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11755191

SILVER PARTICLES AND A PROCESS FOR MAKING THEM

IPC classification:
B22F 1/00, B22F 9/24
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11761446

SOLDERABLE POLYMER THICK FILM SILVER ELECTRODE COMPOSITION FOR USE IN THIN-FILM PHOTOVOLTAIC CELLS AND OTHER APPLICATIONS

IPC classification:
C08K 3/08, C09D 11/00, H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11808421

CONDUCTIVE PASTE COMPOSITION CONTAINING LITHIUM, AND ARTICLES MADE THEREFROM

IPC classification:
H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11808494

CONDUCTIVE PASTE COMPOSITION CONTAINING LITHIUM, AND ARTICLES MADE THEREFROM

IPC classification:
C03C 3/07, C03C 3/072, C03C 3/074, C03C 4/14, H01B 1/16, H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11861302

UNITIZED ELECTRODE ASSEMBLY WITH HIGH EQUIVALENT WEIGHT IONOMER

IPC classification:
B01J 23/44, B82B 3/00, H01M 4/92, H01M 8/02, H01M 8/10
Applicant:
Audi AG
Applicant:
Ballard Power Systems Inc.
Agent:
Benjamin Hoffmann, Dehns Ltd
Agent:
Stefan Christopher Waibel, Klunker Schmitt-Nilson Hirsch Patentanwälte (KSNH) Klunker IP Patentanwälte PartG mbB
Status:
GRANT OF PATENT INTENDED
EP12711519

HIGH TEMPERATURE TREATED MEDIA

IPC classification:
B01D 39/16, D04H 1/435, D04H 1/54, D04H 1/541, D04H 1/55
Applicant:
Donaldson Company, Inc.
Agent:
Multiple attorneys, Dehns Ltd
Agent:
Benjamin Hoffmann, Valea AB
Status:
GRANT OF PATENT INTENDED
EP12719023

ORGANOGOLD COMPLEXES AND METHODS FOR MAKING THE SAME

IPC classification:
C07F 1/12
Applicant:
University of Sussex
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11726578

DELAYED RELEASE WELL TREATMENT COMPOSITES FOR USE IN WELL TREATMENT FLUIDS

IPC classification:
C09K 8/536, C09K 8/60, C09K 8/70, C09K 8/72
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12714914

USE OF METHYLHYDROXYETHYL CELLULOSE AS CEMENT ADDITIVE

IPC classification:
C04B 24/38, C04B 28/02, C04B 28/04, C09K 8/487, C09K 8/493
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12719850

COMPOSITES FOR CONTROLLED RELEASE OF WELL TREATMENT AGENTS

IPC classification:
C04B 35/01, C04B 38/00, C09K 8/536, C09K 8/54, C09K 8/80, E21B 43/04
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12724055

LOW TEMPERATURE CO-FIRED CERAMIC STRUCTURE FOR HIGH FREQUENCY APPLICATIONS AND PROCESS FOR MAKING SAME

IPC classification:
H01L 23/15, H01L 23/498, H05K 1/03, H05K 3/46
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12727970

SOLDERABLE POLYMER THICK FILM CONDUCTIVE ELECTRODE COMPOSITION FOR USE IN THIN-FILM PHOTOVOLTAIC CELLS AND OTHER APPLICATIONS

IPC classification:
H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12727089

THICK FILM PASTE CONTAINING BISMUTH-BASED OXIDE AND ITS USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
H01B 1/16, H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12727084

THICK FILM PASTE CONTAINING BISMUTH-BASED OXIDE AND ITS USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
H01B 1/16, H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12724025

METHOD OF INHIBITING OR CONTROLLING RELEASE OF WELL TREATMENT AGENT

IPC classification:
C09K 8/035, C09K 8/28, C09K 8/36, C09K 8/52, C09K 8/60
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12735704

THICK FILM PASTE AND USE THEREOF

IPC classification:
C22C 32/00, H01B 1/22, H05K 1/09
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12726516

CEMENT SET RETARDER BASED ON A BORATE ESTER COMPLEX AND METHOD USING THE SAME

IPC classification:
C04B 28/02, C04B 40/00, C07F 5/04, C09K 8/467
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12750668

ALUMINIUM PASTE WITH NO OR POOR FIRE -THROUGH CAPABILITY AND USE THEREOF FOR BACK ELECTRODES OF PASSIVATED EMITTER AND REAR CONTACT SILICON SOLAR CELLS

IPC classification:
C03C 8/02, C03C 8/18, H01B 1/16, H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12725874

PROTEIN DETECTION

IPC classification:
C07K 1/14, G01N 33/68
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12727058

A METHOD OF SLICKWATER FRACTURING

IPC classification:
C09K 8/68, F17D 1/17
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12828961

FLUID LOSS CONTROL IN VISCOELASTIC SURFACTANT FRACTURING FLUIDS USING WATER SOLUBLE POLYMERS

IPC classification:
C09K 8/50, C09K 8/508, C09K 8/514
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12751413

BARRIER LAYER DIELECTRIC FOR RFID CIRCUITS

IPC classification:
C08G 18/08, C09J 175/00, G06K 19/077, H01Q 1/22, H05K 3/12
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12766505

PROCESS FOR THE PRODUCTION OF LFC-PERC SILICON SOLAR CELLS

IPC classification:
H01L 31/0224, H01L 31/18
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12726530

WELL SERVICING FLUID AND METHOD OF SERVICING A WELL WITH THE FLUID

IPC classification:
C09K 8/74
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12769557

THERMOFORMABLE POLYMER THICK FILM SILVER CONDUCTOR AND ITS USE IN CAPACITIVE SWITCH CIRCUITS

IPC classification:
C08K 3/08, C08L 71/00, H01B 1/22, H01H 1/029, H03K 3/12, H03K 17/96, H03K 17/975, H05K 1/09
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12833177

FIBERS MADE FROM SOLUBLE POLYMERS

IPC classification:
C08G 12/00, D01F 8/00
Applicant:
Donaldson Company, Inc.
Agent:
Multiple attorneys, Dehns Ltd
Agent:
Benjamin Hoffmann, Valea AB
Status:
GRANT OF PATENT INTENDED
EP12731854

COMPOSITIONS AND METHODS OF TREATING HIGH TEMPERATURE SUBTERRANEAN FORMATIONS

IPC classification:
C09K 8/68, C09K 8/70, C09K 8/72
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12769832

FINE FIBERS MADE FROM POLYMER CROSSLINKED WITH RESINOUS ALDEHYDE COMPOSITION

IPC classification:
B01D 39/08, B01D 46/00, D01D 5/00, D01F 6/90, D01F 8/12, D01F 8/16
Applicant:
Donaldson Company, Inc.
Agent:
Benjamin Hoffmann, Dehns Ltd
Agent:
Benjamin Hoffmann, Valea AB
Status:
GRANT OF PATENT INTENDED
EP12191818

Metallic particle induced saponification of fatty acids as breakers for viscoelastic surfactant-gelled fluids

IPC classification:
C09K 8/03, C09K 8/52, C09K 8/68
Applicant:
Baker Hughes Incorporated
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11730151

PROCESS FOR THE FORMATION OF A SILVER BACK ANODE OF A SILICON SOLAR CELL

IPC classification:
H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12840932

ORGANIC ELECTRONIC DEVICE FOR LIGHTING

IPC classification:
H01L 51/54
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12841055

ORGANIC ELECTRONIC DEVICE FOR LIGHTING

IPC classification:
H01L 51/52, H01L 51/54
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12841153

ORGANIC ELECTRONIC DEVICE FOR LIGHTING

IPC classification:
H01L 51/52, H01L 51/54
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12841432

METHOD FOR REDUCING HYDROGEN SULFIDE EVOLUTION FROM ASPHALT AND HEAVY FUEL OILS SULFIDE EVOLUTION FROM ASPHALT AND HEAVY FUEL OILS

IPC classification:
C08L 95/00, C10C 3/02, C10G 29/00, C10L 10/00
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12750673

CONDUCTIVE COMPOSITIONS CONTAINING Li2RuO3 AND ION-EXCHANGED Li2RuO3 AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12795651

SPECIMEN VIEWING DEVICE

IPC classification:
G01N 21/88, G01N 21/958
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12787620

A PROCESS OF FORMING AN ALUMINUM p-DOPED SURFACE REGION OF AN n-DOPED SEMICONDUCTOR SUBSTRATE

IPC classification:
H01L 31/0224, H01L 31/18
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12798919

A PROCESS OF FORMING AN ALUMINUM p-DOPED SURFACE REGION OF A SEMICONDUCTOR SUBSTRATE

IPC classification:
H01L 21/22, H01L 21/225, H01L 31/0224, H01L 31/18
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12721129

CONDUCTIVE METAL COMPOSITION

IPC classification:
C08L 67/00, H01B 1/22, H05K 3/12
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13169774

Electronic device including phenanthroline derivative

IPC classification:
C07D 471/04, C07D 471/16, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP14162596

Method of preparing silver nanoparticles

IPC classification:
A01N 25/04, A01N 25/34
Applicant:
Kimberly-Clark Worldwide, Inc.
Applicant:
Avent Inc
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12193117

Thick-film paste containing lead-vanadium-based oxide glass and its use in the manufacture of semiconductor devices

IPC classification:
C03C 8/08, C03C 8/10, C03C 8/12, C03C 8/18
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12724039

THICK FILM PASTE CONTAINING BISMUTH-TELLURIUM-OXIDE AND ITS USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
H01B 1/16, H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12196399

The use of a conductive composition containing leadtellurium- based oxide in the manufacture of semiconductor devices with lightly doped emitters

IPC classification:
C03C 8/10, C03C 8/16, C03C 8/18, H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP11718192

POLYMER THICK FILM ENCAPSULANT AND ENHANCED STABILITY PTC CARBON SYSTEM

IPC classification:
B60N 2/56, C08L 27/16, C08L 33/12, C09D 127/16, H01C 1/034, H01C 7/02, H05B 3/84
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP14162121

Metal carboxylate salts as H2S scavengers in mixed production or dry gas systems

IPC classification:
C10L 3/00, C10L 3/10
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP12860139

PROCESS AND MATERIALS FOR MAKING CONTAINED LAYERS AND DEVICES MADE WITH SAME

IPC classification:
H01L 51/52, H01L 51/54, H01L 51/56
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13736311

PROCESS FOR PREPARING BLENDS OF BITUMEN HAVING KNOWN STABILITY PROPERTIES

IPC classification:
C08L 95/00, C10C 3/02, E01C 7/18, E01C 19/45
Applicant:
Baker Hughes Incorporated
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13735623

METHOD FOR REDUCING CATALYST FINES IN SLURRY OIL FROM A FLUIDIZED CATALYST CRACKING PROCESS

IPC classification:
B01J 8/18, B01J 37/04, C10G 11/18
Applicant:
Baker Hughes Incorporated
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11808527

LIQUID COMPOSITION FOR DEPOSITION OF ORGANIC ELECTROACTIVE MATERIALS

IPC classification:
H01L 51/00
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13703707

METHOD OF DELAYING CROSSLINKING IN WELL TREATMENT OPERATION

IPC classification:
C09K 8/68, C09K 8/88
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13746870

MOLDED PARTS CONTAINING A POLYLACTIC ACID COMPOSITION

IPC classification:
B29C 45/00, C08J 5/00, C08L 23/08, C08L 23/16, C08L 67/04
Applicant:
Kimberly-Clark Worldwide, Inc.
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13746953

MODIFIED POLYLACTIC ACID FIBERS

IPC classification:
D01D 5/34, D01F 1/10, D01F 8/14, D04H 1/4382
Applicant:
Kimberly-Clark Worldwide, Inc.
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP13749500

BIOFUEL HAVING IMPROVED COLD FLOW PROPERTIES

IPC classification:
C10L 1/08, C10L 1/192, C10L 1/32
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13749224

COMPOSITION OF ZEOTROPIC MIXTURES HAVING PREDEFINED TEMPERATURE GLIDE

IPC classification:
C09K 5/04, F17C 6/00, F17C 13/00
Applicant:
United Technologies Corporation
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13180597

Chrysene compounds for luminescent applications

IPC classification:
C07C 211/61, C09K 11/06, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13709650

SILVER PASTE AND USE THEREOF IN THE PRODUCTION OF SOLAR CELLS

IPC classification:
H01B 1/22
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12806239

ANTI-INTERFERENT BARRIER LAYERS FOR NON-INVASIVE TRANSDERMAL SAMPLING AND ANALYSIS DEVICE

IPC classification:
A61B 5/145, A61B 5/1477, A61B 5/1486, A61B 5/1491
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13706110

A METHOD OF INCREASING EFFICIENCY IN A HYDRAULIC FRACTURING OPERATION

IPC classification:
C09K 8/72
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP13761651

COLD FLOW IMPROVEMENT OF DISTILLATE FUELS USING ALPHA-OLEFIN COMPOSITIONS

IPC classification:
C10L 1/195
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12737388

THICK FILM PASTE AND USE THEREOF

IPC classification:
C22C 32/00, H01B 1/22, H05K 1/09
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13772329

VISUALIZING POLYNUCLEAR AROMATIC HYDROCARBONS WITHIN THE NEAR INFRARED SPECTRUM

IPC classification:
E21B 49/08, G01N 21/35
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13771759

BLUE LUMINESCENT COMPOUNDS

IPC classification:
C07F 5/00, C09K 11/06, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11811607

TRIAZINE DERIVATIVES FOR ELECTRONIC APPLICATIONS

IPC classification:
C07D 251/24, C07D 401/10, C07D 401/14, C07D 403/10, C07D 409/10, H05B 33/12
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13717140

SOLAR CELL AND MANUFACTURING METHOD OF THE SAME

IPC classification:
H01L 31/0224, H01L 31/068
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13782087

BLUE LUMINESCENT COMPOUNDS

IPC classification:
C07D 471/04, C07F 17/02, C09K 11/06, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13780945

BLUE LUMINESCENT COMPOUNDS

IPC classification:
C07D 471/04, C07F 17/02, C09K 11/06, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP13700445

GLASS COMPOSITION AND ITS USE IN CONDUCTIVE SILVER PASTE

IPC classification:
C03C 3/12, C03C 3/21, C03C 8/12, C03C 8/18, C03C 8/20, C03C 8/24, H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13793357

VARIABLE TG ARTICLE, METHOD OF MAKING, AND USE OF SAME

IPC classification:
C08J 3/24, C08J 5/00, C08K 3/36, C08K 7/02, C08L 81/00
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13797632

SYNERGISTIC H2S SCAVENGERS

IPC classification:
C09K 8/52, C10G 29/06, C10L 3/10
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13800948

FLUIDS FOR USE WITH HIGH-FREQUENCY DOWNHOLE TOOLS

IPC classification:
C09K 8/32, E21B 43/22
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13733188

COMPOSITION AND METHOD FOR RETENTION OF SOLVATED COMPOUNDS AND IONS

IPC classification:
A01N 25/10, A01N 37/34, A01N 43/54, A01N 43/653, A01P 3/00, B01J 20/26, B01J 20/32, B09C 1/00, B09C 1/08, C02F 1/28, C08G 8/22, C08G 8/36, C08G 8/38, C09D 161/12, C09D 161/14
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13806387

PROCESS FOR PREDICTING THE STABILITY OF CRUDE OIL AND EMPLOYING SAME IN TRANSPORTING AND/OR REFINING THE CRUDE OIL

IPC classification:
C10G 31/00, C10G 33/08
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP13810362

CHROMIUM DIFFUSION COATING

IPC classification:
B22F 1/00, C23C 10/34, C23C 10/52
Applicant:
United Technologies Corporation
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13808710

LOW-DENSITY DOWNHOLE FLUIDS AND USES THEROF

IPC classification:
C09K 8/14, E21B 43/22
Applicant:
Baker Hughes Incorporated
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12880043

FRACTURING FLUIDS AND METHODS FOR TREATING- HYDROCARBONBEARING FORMATIONS

IPC classification:
E21B 43/20, E21B 43/26
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13195943

Method for Determining the Concentration of Iron Ions in Hydrocarbon Compositions

IPC classification:
G01N 31/22
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11727618

EXTRACTION SOLVENTS DERIVED FROM OIL FOR ALCOHOL REMOVAL IN EXTRACTIVE FERMENTATION

IPC classification:
C07C 29/86, C11C 1/04, C12P 7/16
Applicant:
Butamax Advanced Biofuels LLC
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12187866

Thick film silver paste and its use in the manufacture of semiconductor devices

IPC classification:
H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12183959

Conductive paste comprising an amorphous saturated polyester resin and method of manufacturing a solar cell electrode using said paste

IPC classification:
H01B 1/22, H01L 31/0224, H01L 51/44
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP11729509

ELECTROACTIVE MATERIALS

IPC classification:
C07C 211/54, C07C 211/55, C08G 73/02, C09K 11/06
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11731537

THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-LITHIUM-TITANIUM-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
C03C 8/10, C04B 35/01, H01B 1/16, H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP11808526

ELECTRONIC DEVICE INCLUDING A PYRIMIDINE COMPOUND

IPC classification:
C07D 239/26, C07D 401/10, C07D 401/14
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11712740

WELL SERVICING FLUID

IPC classification:
C09K 8/524, C09K 8/60, C09K 8/68, C09K 8/88
Applicant:
Baker Hughes Incorporated
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11751110

METHODS OF FORMING A LOW RESISTANCE SILICON METAL CONTACT

IPC classification:
H01L 31/0224
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP12704590

COMPOSITION AND METHOD FOR REMOVING FILTER CAKE

IPC classification:
C09K 8/26, C09K 8/28, C09K 8/524, C09K 8/528, C09K 8/90
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13180599

CHRYSENE COMPOUNDS FOR LUMINESCENT APPLICATIONS

IPC classification:
C07C 211/61, C07D 209/86, C09B 57/00, C09K 11/06, H01L 51/00, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11715728

WOOD PRESERVATIVE FORMULATIONS COMPRISING ISOTHIAZOLONES WHICH PROVIDE PROTECTIN AGAINST SURFACE STAINING

IPC classification:
A01N 37/02, A01N 37/10, A01N 43/653, A01N 43/80, A01P 3/00, B27K 3/34, B27K 3/42, B27K 3/50
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP11729649

WOOD PRESERVATIVE COMPOSITIONS USEFUL FOR TREATING COPPER-TOLERANT FUNGI

IPC classification:
A01N 33/12, A01N 43/653, A01N 59/20, A01P 3/00, B27K 3/52
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP11721954

UV-CURABLE POLYMER THICK FILM DIELECTRIC COMPOSITIONS WITH EXCELLENT ADHESION TO ITO

IPC classification:
C08F 290/06, C08G 18/67, C08K 3/00, C08K 3/32, C08K 3/34, C08K 5/101, C08K 5/52, C09D 175/16, H01L 23/00, H01L 23/31
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Benjamin Hoffmann, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11809000

ELECTROACTIVE MATERIALS

IPC classification:
C07D 209/82, C09K 11/06, H01L 51/00, H01L 51/44, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13180598

Chrysene compounds for luminescent applications

IPC classification:
C07C 211/61, C07D 209/86, C09B 57/00, C09K 11/06, H01L 51/00, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11809021

COMPOSITIONS FOR ELECTRONIC APPLICATIONS

IPC classification:
C09K 11/02, C09K 11/06, H01L 51/00, H01L 51/05, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP11755170

PHOTOACTIVE COMPOSITION AND ELECTRONIC DEVICE MADE WITH THE COMPOSITION

IPC classification:
C09K 11/06, H01L 51/00, H01L 51/50
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11731162

THICK-FILM PASTES CONTAINING LEAD-TELLURIUM-BORON-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
C03C 8/10, C04B 35/01, H01B 1/16, H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
PATENT GRANTED
EP11731163

THICK-FILM PASTES CONTAINING LEAD- AND TELLURIUM-OXIDES, AND THEIR USE IN THE MANUFACTURE OF SEMICONDUCTOR DEVICES

IPC classification:
C03C 8/10, C04B 35/01, H01B 1/16, H01B 1/22, H01L 31/0224
Applicant:
E. I. Du Pont de Nemours and Company
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

Please Sign in to use this feature