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We have observed 69 EP applications Holger Potten has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 16, 2012). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP13166277

Polycrystalline silicon rod and process for production thereof

IPC classification:
C01B 33/035, C23C 14/24, C30B 29/06
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
PATENT GRANTED
EP13167980

Polycrystalline silicon

IPC classification:
B65B 17/00, B65B 23/00, B65D 75/00, B65D 77/00, C01B 33/02
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
The patent has been granted
EP13177994

Polycrystalline silicon chunks and method for producing them

IPC classification:
B02C 4/30, C01B 33/037, C22C 29/08, C30B 29/06
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12715388

METHOD FOR PURIFYING L-CYSTEINE

IPC classification:
C07C 319/28, C07C 323/58
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13187011

Process for hydrogenating silicon tetrachloride to trichlorosilane

IPC classification:
C01B 33/107
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13187018

Process for deposition of polycrystalline silicon

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13190464

Packaging of polycrystalline silicon

IPC classification:
B65B 1/06, B65B 1/32, B65B 5/10, B65B 25/00
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
GRANT OF PATENT INTENDED
EP13195295

Packing polycrystalline silicon

IPC classification:
B65B 5/06, B65B 25/00, B65B 29/00, B65B 31/04, B65B 51/14
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11715542

METHOD FOR PRODUCING RECOMBINANT THROMBIN

IPC classification:
C07K 1/113, C12N 9/74
Applicant:
Wacker Chemie AG
Agent:
Wolfgang Sandmann, isarpatent Behnisch Barth Charles Hassa Peckmann & Partner mbB
Agent:
Holger Potten, Wacker Chemie AG
Status:
GRANT OF PATENT INTENDED
EP14155738

Process for the preparation of hydroxytyrosol

IPC classification:
C07C 37/055
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12781325

CARBOHYDRATE RICH FOOD COMPOSITION CONTAINING CYCLODEXTRIN AND METHOD OF MAKING THE SAME

IPC classification:
A21D 2/18, A23C 9/152, A23G 1/00, A23G 1/52, A23L 1/00, A23L 1/09, A23L 2/54, A23P 1/16
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
GRANT OF PATENT INTENDED
EP11773445

METHOD FOR THE CONTINUOUS PRODUCTION OF 2-BUTANONE IN HOT PRESSURIZED WATER HAVING AN ADDED ELECTROLYTE

IPC classification:
C07C 45/52, C07C 49/10
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12809687

POLYCRYSTALLINE SILICON ROD AND METHOD FOR PRODUCING POLYSILICON

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14166197

Microorganism and method for overproduction of gamma-glutamylcysteine and derivatives of this dipeptide by fermentation

IPC classification:
C12N 15/09, C12P 13/14, C12P 21/00
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12717783

Process for producing L-cystine by fermentation at controlled oxygen saturation

IPC classification:
C12P 13/12
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12729619

METHOD FOR PRODUCTION OF NATURAL L-CYSTEINE BY FERMENTATION

IPC classification:
C12P 13/12, C12P 17/14
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12701748

METHOD FOR PRODUCING 2,3-BUTANEDIOL BY FERMENTATION

IPC classification:
C12N 1/21, C12N 9/88, C12P 7/18
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12701151

METHOD FOR PRODUCING 2,3-BUTANEDIOL BY FERMENTATION

IPC classification:
C12N 1/21, C12N 9/10, C12P 7/18
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12701152

METHOD FOR PRODUCING 2,3-BUTANEDIOL BY FERMENTATION

IPC classification:
C12N 1/21, C12N 9/04, C12P 7/18
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12742635

PROCESS FOR PRODUCING AQUEOUS SOLUTION CONTAINING FAT-SOLUBLE SUBSTANCE

IPC classification:
A23L 1/30, A23L 1/303, A61K 8/63, A61K 8/73, A61K 8/86, A61K 9/08, A61K 31/05, A61K 31/07, A61K 31/12, A61K 47/14, A61K 47/26, A61K 47/28, A61K 47/34, A61K 47/36, A61K 47/38, A61K 47/40, A61K 47/48
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13759235

METHOD FOR THE FERMENTATIVE PRODUCTION OF L-CYSTEINE AND DERIVATIVES OF SAID AMINO ACID

IPC classification:
C12N 1/26
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP14700836

METHOD FOR DEPOSITING POLYCRYSTALLINE SILICONE

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION IN PROGRESS
EP11701261

METHOD FOR PRODUCING CARBOXYLIC ACIDS HAVING 1-3 CARBON ATOMS FROM RENEWABLE RESOURCES

IPC classification:
C07C 51/245, C07C 53/02, C07C 53/08, C07C 53/122, C12P 7/54
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14705108

PACKAGING OF POLYSILICON FRAGMENTS

IPC classification:
B65B 1/32, B65B 25/00, G01G 19/393
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14706636

DEVICE FOR PROTECTING AN ELECTRODE SEAL IN A REACTOR FOR THE DEPOSITION OF POLYCRYSTALLINE SILICON

IPC classification:
B01J 15/00, C01B 33/035, H01J 37/32
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION IN PROGRESS
EP14706635

POLYCRYSTALLINE SILICON DEPOSITION METHOD

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION IN PROGRESS
EP14710904

APPARATUS AND PROCESS FOR TREATING LIQUIDS CONTAING CHLOROSILANES

IPC classification:
B01D 1/00, C01B 33/107, C02F 1/04, C02F 1/38, C02F 1/66
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14714617

GAS DISTRIBUTOR FOR A SIEMENS REACTOR

IPC classification:
B01J 4/00, C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP14711963

DEVICE AND METHOD FOR THE REMOVAL OF POLYCRYSTALLINE SILICON RODS FROM A REACTOR

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14712264

CLEANING OF CVD PRODUCTION SPACES

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14714215

PROCESS FOR THE PREPARATION OF POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/035, G01N 21/00, G01N 29/00
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP14714965

METHOD AND APPARATUS FOR THE SEPARATION BY DISTILLATION OF A THREE- OR MULTI-COMPONENT MIXTURE

IPC classification:
B01D 3/14, C01B 33/107, C07F 7/20
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP14721307

FLUIDIZED BED REACTOR AND METHOD OF PRODUCING GRANULAR POLYSILICON

IPC classification:
C01B 33/021
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14721859

REACTOR FOR PRODUCING POLYCRYSTALLINE SILICON AND METHOD FOR REMOVING A SILICON-CONTAINING LAYER ON A COMPONENT OF SUCH A REACTOR

IPC classification:
B24C 1/00, C01B 33/035, C23C 16/24, C23C 16/44, C23C 16/442
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION IN PROGRESS
EP12805695

NOVEL PRONGF MUTANTS AND USES THEREOF IN THE PRODUCTION OF BETA-NGF

IPC classification:
A61K 38/18, C07K 14/48
Applicant:
Wacker Chemie AG
Agent:
Hoffmann Eitle PartmbB
Agent:
isarpatent Behnisch Barth Charles Hassa Peckmann & Partner mbB
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14726337

METHOD FOR PRODUCING GRANULAR POLYSILICON

IPC classification:
C01B 33/027, C01B 33/029, C01B 33/03
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP15190422

PROCESS FOR PRODUCING A CANDY GUM

IPC classification:
A23G 3/36, A23G 3/40, A23G 4/06, A23G 4/08
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14730539

METHOD FOR OPERATING A FLUIDIZED BED REACTOR

IPC classification:
C01B 33/027, C01B 33/107
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP14731245

ANALYSIS OF THE COMPOSITION OF A GAS OR A GAS FLOW IN A CHEMICAL REACTOR AND METHOD FOR PRODUCING CHLOROSILANES IN A FLUIDIZED BED REACTOR

IPC classification:
B01D 53/12, B01J 8/24, C01B 33/107, F23C 10/00, G01N 30/86
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP14734445

PACKAGING OF POLYCRYSTALLINE SILICON

IPC classification:
B65B 5/06, B65B 25/00, B65B 29/00, B65B 55/20, B65D 81/09
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION IN PROGRESS
EP12176804

Process for cleaning polycrystalline silicon chunks

IPC classification:
C01B 33/037
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14742504

VIBRATORY CONVEYOR AND METHOD FOR CONVEYING SILICON FRAGMENTS

IPC classification:
B65G 11/16, B65G 27/04
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14741888

METHOD AND DEVICE FOR DISTILLATIVE SEPARATION OF A THREE- OR MULTI-COMPONENT MIXTURE

IPC classification:
B01D 3/14
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14741242

PROCESS FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
B01J 3/00, C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14752592

POLYCRYSTALLINE SILICON FRAGMENTS AND PROCESS FOR COMMINUTING POLYCRYSTALLINE SILICON RODS

IPC classification:
C01B 33/02, C30B 15/00, C30B 29/06
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
PATENT GRANTED
EP14752593

CLASSIFYING OF POLYSILICON

IPC classification:
B07B 1/00, B07B 1/28, B07B 1/46, B07B 13/18, C01B 33/02
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP14758333

PROCESS FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
GRANT OF PATENT INTENDED
EP14786183

PROCESS FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/027, C01B 33/035, F24F 3/16
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP16160416

PROCESS FOR PREPARING CHLOROACETALDEHYDE ACETALS

IPC classification:
C07C 41/56, C07D 319/06, C07D 321/06
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION IN PROGRESS
EP13166270

GRANULAR POLYCRYSTALLINE SILICON AND PRODUCTION THEREOF

IPC classification:
C01B 33/02, C01B 33/03, C23C 16/24, C23C 16/442
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14805502

PROCESS FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
B65B 5/06, B65B 25/00, B65B 29/00, B65D 1/18, B65D 30/28, C01B 33/02
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP13151468

PROCESS FOR DETERMINING SURFACE CONTAMINATION OF POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/02, C01B 33/021, C01B 33/035, C23C 16/24, C30B 13/00, G01J 3/28, G01N 21/64
Applicant:
Wacker Chemie AG
Agent:
Multiple attorneys, Wacker Chemie AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14816190

DEVICE FOR RECEIVING AND TRANSPORTING A SILICON ROD, AND METHOD FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
B66C 1/42, B66F 9/18
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP14816191

METHOD FOR PRODUCING GRANULAR POLYSILICON

IPC classification:
B01F 5/24, B01J 8/00, C01B 33/03
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
The patent has been granted
EP15700394

METHOD FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15701014

METHOD FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15706827

PROCESS FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
B65B 1/00, B65D 5/56, C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
GRANT OF PATENT INTENDED
EP15709911

REACTOR AND PROCESS FOR PREPARING GRANULAR POLYSILICON

IPC classification:
B01J 8/18, B01J 8/42, C01B 33/03
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15730704

SILICON SEED PARTICLES FOR THE PRODUCTION OF POLYCRYSTALLINE SILICON GRANULES IN A FLUIDIZED BED REACTOR

IPC classification:
B02C 19/06, C01B 33/021
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15734088

FLUIDIZED BED REACTOR AND METHOD FOR PRODUCING POLYCRYSTALLINE SILICON GRANULES

IPC classification:
C01B 33/027, C01B 33/03, C23C 16/442
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15730138

T7 EXPRESSION SYSTEM, METHOD FOR ITS PRODUCTION AND USE THEREOF FOR PRODUCING RECOMBINANT PROTEINS

IPC classification:
C12N 15/68, C12N 15/72, C12N 15/73, C12N 15/90
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15756370

METHOD FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/035
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15762510

PLASTIC SUBSTRATES HAVING A SILICON COATING

IPC classification:
C23C 24/04
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
EXAMINATION REQUESTED
EP15795127

FLUIDIZED BED REACTOR FOR PRODUCING POLYCRYSTALLINE SILICON GRANULES AND METHOD FOR THE ASSEMBLY OF SUCH A FLUIDIZED BED REACTOR

IPC classification:
B01J 8/18, C01B 33/027
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
Request for examination was made
EP15786982

POLYCRYSTALLINE SILICON ROD PAIR AND METHOD FOR PRODUCING POLYCRYSTALLINE SILICON

IPC classification:
B65D 75/00, C01B 33/035, C30B 30/00
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
Request for examination was made
EP15795134

DEVICE FOR INSULATING AND SEALING ELECTRODE HOLDERS IN CVD REACTORS

IPC classification:
C01B 33/035, C23C 16/24, C23C 16/44, C23C 16/458
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
Request for examination was made
EP15791257

FLUIDIZED BED REACTOR AND METHOD FOR PRODUCING POLYCRYSTALLINE SILICON GRANULES

IPC classification:
C01B 33/033, F23C 10/20
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
Request for examination was made
EP15820841

REACTOR FOR THE DEPOSITION OF POLYCRYSTALLINE SILICON

IPC classification:
C01B 33/035, C21D 7/00, C22F 1/14, C23C 10/00
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
Request for examination was made
EP16702122

METHOD FOR PRODUCING MULTICRYSTALLINE SILICON

IPC classification:
C30B 11/00, C30B 29/06
Applicant:
Wacker Chemie AG
Agent:
Holger Potten, Wacker Chemie AG
Status:
Request for examination was made

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