Representative before the EPO

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Klaus-Günter Pettrich has worked on the following 8 EPO patent applications which have been published in the last five years:

EP11749817

PROCESS FOR PREPARING (S)-3-N-METHYLAMINO-1-(2-THIENYL)-1-PROPANOL

IPC classification:
C07D 333/20
Agent:
Multiple attorneys, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12170697

Method for manufacturing styrene derivatives

IPC classification:
C07B 37/04, C07B 49/00, C07C 1/32, C07C 17/263, C07C 41/30, C07C 209/68, C07D 317/50
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION REFUSED
EP11194982

Method for producing, stabilising and packing sorbic acid hydride

IPC classification:
C07C 51/573, C07C 57/10
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12176901

Method for producing asymmetric (thio)phosphate triamides

IPC classification:
C07F 9/22
Agent:
Multiple attorneys, LANXESS Deutschland GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13163052

Method for the preparation of ortho-acylated aromatic or heteroaromatic carboxylic acids

IPC classification:
C07C 51/083, C07C 51/373
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13172454

Method for manufacturing 2,3-Dichloropyridine

IPC classification:
C07D 213/61
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13152026

Substituted benzimidazole phosphine compounds and a method for decarboxylating carbon-carbon bond

IPC classification:
C07B 37/04, C07C 201/12, C07D 209/08, C07D 307/79, C07D 333/08, C07D 333/54, C07F 9/6506
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP11784515

PROCESS FOR PREPARING AZOMETHINES FROM ALPHA-OXOCARBOXYLATES, AMINES AND ARYL BROMIDES

IPC classification:
C07C 249/02, C07C 319/24, C07D 213/127, C07D 213/53, C07D 307/52, C07D 333/22
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN

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