Inventor
NOTHEIS ULRICH
DE14 patents
⚠️ This page may combine multiple inventors who share the name “NOTHEIS ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
8 patentsUS5932768AAug 3, 1999
Process for the preparation of 4-aminodiphenylamine
BAYER AG20 citations92
US5925791AJul 20, 1999
Process for producing 4-aminodiphenylamine
BAYER AG19 citations92
US6291392B2Sep 18, 2001
Catalysts containing a platinum group metal and produced in a sol-gel method, as well as a method for producing diarylcarbonates
BAYER AG11 citations73
US6933409B1Aug 23, 2005
Amination of aromatic hydrocarbons and heterocyclic analogs thereof
BAYER AG10 citations71
US5856516AJan 5, 1999
Process for the preparation of carbazole
BAYER AG6 citations63
US5625097AApr 29, 1997
Process for preparing diphenylamines and catalysts usable for this purpose
BAYER AG2 citations61
US5763717AJun 9, 1998
Process for preparing hydroxybiphenyl
BAYER AG1 citations49
US6242632B1Jun 5, 2001
Supported catalysts containing a platinum group metal and method for producing diarylcarbonates
BAYER AG0 citations41