Inventor
ULLRICH FRIEDRICH-WILHELM
DE6 patents
⚠️ This page may combine multiple inventors who share the name “ULLRICH FRIEDRICH-WILHELM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
5 patentsUS5030747AJul 9, 1991
Process for the preparation of μ-amino-acrylic acid esters
BAYER AG28 citations88
US5179211AJan 12, 1993
Process for the preparation of indoles
BAYER AG2 citations56
US6500988B1Dec 31, 2002
Method for producing aryl thiols by hydrogenating diaryldisulphides
BAYER AG1 citations50
US6271415B1Aug 7, 2001
S-(4-biphenyl)-thiosulphuric acids and their salts, method for producing the same and method for producing 4-mercaptobiphenyls
BAYER AG0 citations50
US6552230B1Apr 22, 2003
Method for preparing 2-nitro-5-(phenylthio)-anilines
BAYER AG1 citations48