Partner/Owner

Employment test 1 - 10 employees
Company dna dr langfinger and partner
no operation time available
Headquarter in Frankfurt am Main and 1 office
active in Legal Services and Matchmaking and Trading

Representative before the EPO

Employment test 51 - 200 employees
Company dna boehmert and boehmert
operating since 1930
Headquarter in Bremen and 11 offices
active in Legal Services and IP Consulting

Klaus Dieter Langfinger has worked on the following 31 EPO patent applications which have been published in the last five years:

EP11007868

Spirobifluorene compounds for light emitting devices

IPC classification:
C07D 265/38, C09K 11/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION WITHDRAWN
EP11010251

Crosslinkable arylamine compounds

IPC classification:
C07C 211/54, C07C 211/58, C07C 211/61, C07D 209/86, H01L 51/50
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION WITHDRAWN
EP11010250

Crosslinkable compositions comprising addition polymerizable monomers

IPC classification:
C09K 11/06, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION WITHDRAWN
EP11004471

Method for modelling, optimizing, parameterizing, testing and/or validating a dynamic network or network perturbations

IPC classification:
G06F 19/12
Applicant:
University of Freiburg (Albert-Ludwigs-Universität Freiburg)
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11758105

DEVICE FOR TAKING AND PROCESSING A SAMPLE

IPC classification:
A61B 10/00
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP12004573

Preparation of heteroleptic metal complexes

IPC classification:
C07F 15/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION REFUSED
EP14151427

Device for manufacturing ice cream

IPC classification:
A23G 9/08, A23G 9/12, A23G 9/22
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12840822

PYRROLO PYRROLEDIONE-THENEQUINONE COMPOUND, AND PREPARATION PROCESS AND USE THEREOF

IPC classification:
C07D 487/04, H01L 51/00, H01L 51/05, H01L 51/30
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12769363

SPIROBIFLUORENE COMPOUNDS FOR LIGHT EMITTING DEVICES

IPC classification:
C07D 265/38, C09K 11/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP12769338

LINING TUBE FOR THE RESTORATION OF FLUID-CONDUCTING LINE SYSTEMS

IPC classification:
B29C 63/00, B29C 63/34, B29C 63/36, B29K 63/00, F16L 55/165
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP12766430

SPIROBIFLUORENE COMPOUNDS FOR LIGHT EMITTING DEVICES

IPC classification:
C07C 13/72, H01L 51/00
Applicant:
Solvay SA
Applicant:
Sumitomo Chemical Company Limited
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12766066

SPIROBIFLUORENE COMPOUNDS FOR LIGHT EMITTING DEVICES

IPC classification:
C07D 265/38, C09K 11/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
PATENT GRANTED
EP12186861

Process for the manufacture of a multilayer structure

IPC classification:
H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12186566

Light emitting transition metal complexes based on hexadentate ligands

IPC classification:
C07F 15/00, C09K 11/06, H05B 33/14
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12728170

TWO-DIMENSIONAL COMPOSITE ELEMENT

IPC classification:
B32B 3/04, B32B 3/24, B32B 5/06, B32B 5/08, B32B 5/18, B32B 5/24, B32B 7/02, B32B 7/12, B32B 25/08, B32B 25/16
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
PATENT GRANTED
EP11770029

FIELD-EFFECT TRANSISTOR AND MANUFACTURING PROCESS THEREOF

IPC classification:
H01L 51/05
Applicant:
Georgia Tech Research Corporation
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11799240

PREPARATION OF A FAC-ISOMER FOR A TRIS HOMOLEPTIC METAL COMPLEX

IPC classification:
C07F 15/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION REQUESTED
EP11769787

NOVEL SPIROBIFLUORENE COMPOUNDS

IPC classification:
C07C 25/22, C09K 11/06, H01L 51/00, H01L 51/50, H05B 33/14, H05B 33/20
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11778793

A SPIROBIFLUORENE COMPOUND FOR LIGHT EMITTING DEVICES

IPC classification:
C07C 25/22, H01L 51/00, H01L 51/50, H05B 33/20
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP11763607

EXTRACELLULAR MATRICES WHICH CAN BE USED AS SCAFFOLD FOR LIVING CELLS

IPC classification:
C12N 5/00
Applicant:
University of Freiburg (Albert-Ludwigs-Universität Freiburg)
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
EXAMINATION IN PROGRESS
EP12194226

Matrices comprising modified polysaccharides and modified polysaccharides

IPC classification:
A61L 27/00, C08B 37/12, C08J 3/075, C08L 5/12, G01N 33/53
Applicant:
University of Freiburg (Albert-Ludwigs-Universität Freiburg)
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP12005316

Process for forming a layer of an organic electronic device

IPC classification:
H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12196515

Process for the manufacture of a multilayer structure

IPC classification:
H01L 51/00, H01L 51/56
Applicant:
Solvay SA
Applicant:
Nissan Chemical Industries, Ltd.
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
GRANT OF PATENT INTENDED
EP11738739

LIGHT EMITTING MATERIALS FOR ELECTRONICS

IPC classification:
C07F 15/00, H01L 51/00
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12726706

FUNCTIONALIZED ANTHRACENE-CAPPED OLIGOTHIOPHENES AND ORGANIC SEMICONDUCTORS BASED ON THE SAME, USE THEREOF

IPC classification:
C07D 409/04, H01L 51/00, H01L 51/05, H01L 51/30
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11703865

METHOD OF MAKING COUPLED HETEROARYL COMPOUNDS VIA REARRANGEMENT OF HALOGENATED HETEROAROMATICS FOLLOWED BY OXIDATIVE COUPLING

IPC classification:
C07D 409/04, C07D 417/04, C07D 495/04, C07D 495/14, C07D 513/14, C07D 517/14
Applicant:
Georgia Tech Research Corporation
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12004540

Heteroleptic light emitting complexes

IPC classification:
C07F 15/00, C09K 11/06, H01L 51/00, H05B 33/14
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION REFUSED
EP11785611

A METAL COMPLEX COMPRISING A LIGAND HAVING A COMBINATION OF DONOR-ACCEPTOR SUBSTITUENTS

IPC classification:
C07F 15/00, C09K 11/06
Applicant:
Solvay SA
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11772881

N-CYCLOALKYLALKYL TRISCARBAZOLES

IPC classification:
C07D 209/88
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11748362

N-PHENYL TRISCARBAZOLE

IPC classification:
C07D 209/86, C07D 209/88, H05B 33/14
Applicant:
Solvay SA
Applicant:
Nissan Chemical Industries, Ltd.
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Status:
PATENT GRANTED
EP10726492

AMBIPOLAR SMALL MOLECULE HOSTS FOR PHOSPHORESCENT GUEST EMITTERS

IPC classification:
C07D 413/10, C07D 413/14, C08F 12/14, C08F 120/36, C08F 220/36, C08F 232/08, C08G 61/08, H01L 51/00, H01L 51/50, H05B 33/20
Applicant:
Georgia Tech Research Corporation
Agent:
Klaus Dieter Langfinger, Boehmert & Boehmert Anwaltspartnerschaft mbB
Agent:
Klaus Dieter Langfinger, Dr. Langfinger & Partner Partnerschaft mbB
Agent:
Yvonne Catherine Johnson, Barker Brettell LLP
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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