Inventor
RAUCHSCHWALBE GUENTER
DE14 patents
⚠️ This page may combine multiple inventors who share the name “RAUCHSCHWALBE GUENTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
12 patentsUS6369239B2Apr 9, 2002
Process for the preparation of dialkylthiophenes and alkylenedioxythiophenes
BAYER AG78 citations95
US6825357B2Nov 30, 2004
Benzodioxinothiophenes, their preparation and use
BAYER AG7 citations73
US4366102ADec 28, 1982
Process for the preparation of chloroformic acid aryl esters
BAYER AG8 citations72
US6750354B2Jun 15, 2004
Process for the alkylation of 3,4-dihydroxythiophene-2,5-dicarboxylic esters
BAYER AG8 citations71
US5847234ADec 8, 1998
Process for the preparation of 4-hydroxybiphenyl
BAYER AG2 citations62
US6403803B1Jun 11, 2002
Bis(2-chlorothiazolyl-5-methyl)amine and its salts, and process for working up reaction mixtures comprising 5-aminomethyl-2-chlorothiazole and bis(2-chlorothiazolyl-5-methyl)amine
BAYER AG4 citations61
US5672708ASep 30, 1997
Process for the preparation of N-arylaminoacrylic acid derivatives and the use of N-arylaminoacrylic acid derivatives thus prepared for the preparation of 4-quinolone-3-carboxylic acid derivatives
BAYER AG4 citations61
US6441182B1Aug 27, 2002
Method for the production of 2,6-dichloro-5-fluoro-nicotinic acid and coarse and particularly pure 2,6-dichloro-5-fluoro-nicotinic acid
BAYER AG2 citations60
US4339396AJul 13, 1982
Process for the preparation of naphthalenesulphonyl chloride
BAYER AG3 citations60
US6002041ADec 14, 1999
Process for preparing di-C1 - C4 -alkyl 5-nitro-isophthalates
BAYER AG1 citations51
US6888005B2May 3, 2005
2-phenylbenzimidazole-5-sulphonic acid from isolated 3,4-diaminobenzenesulphonic acid and use thereof in cosmetic preparations
BAYER AG0 citations50
US4990686AFeb 5, 1991
Process for the purification of crude 2,2-bis-(3,5-dimethyl-4-hydroxyphenyl)-propane
BAYER AG1 citations47