Representative before the EPO

Technology company logo thumb
no operation time available
1 office
Technology Company

Representative before the EPO

Technology company logo thumb
no operation time available
2 offices
Technology Company

We have observed 6 EP applications Klaus-Günter Pettrich has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after August 13, 2013). 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:

EP12170697

Method for manufacturing styrene derivatives

IPC classification:
C07C 17/263, C07C 41/30, C07C 1/32, C07D 317/50, C07B 49/00, C07B 37/04, C07C 209/68
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION REFUSED
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 51/373, C07C 51/083
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APPLICATION DEEMED TO BE WITHDRAWN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APPLICATION DEEMED TO BE WITHDRAWN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:
C07F 9/6506, C07D 333/54, C07D 333/08, C07D 307/79, C07D 209/08, C07C 201/12, C07B 37/04
Agent:
Klaus-Günter Pettrich, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP11784515

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

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APPLICATION DEEMED TO BE WITHDRAWN

Please Sign in to use this feature