Inventor

VAN LAAK KAI

DE5 patents

⚠️ This page may combine multiple inventors who share the name “VAN LAAK KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

4 patents

US5952498ASep 14, 1999

Process for the preparation of enantiomerically pure cycloalkano-indol -and azaindol -and pyrimido 1,2a! indolcarboxcyclic acids and their activated derivatives

BAYER AG24 citations90

US6720451B2Apr 13, 2004

Method for producing N-methyl-N′-nitroguanidine

BAYER AG2 citations58

USRE36607EMar 7, 2000

Pyrrolidine compounds and process of preparing

BAYER AG0 citations51

US5910593AJun 8, 1999

Highly selective process for the preparation of enantiomerically pure phenylsubstituted 1,4-dihydropyridine-3,5-dicarboxylic acid derivatives

BAYER AG0 citations51

BAYER CROPSCIENCE AG

1 patent

US7026307B2Apr 11, 2006

Method for producing 1,3-disubstituted 2-nitroguanidines

BAYER CROPSCIENCE AG0 citations34