Inventor
BEITZKE BERNHARD
DE11 patents
⚠️ This page may combine multiple inventors who share the name “BEITZKE BERNHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
10 patentsUS5536879AJul 16, 1996
Process for preparing optically active amino alcohols
BAYER AG22 citations91
US5401869AMar 28, 1995
Process for the preparation of aminomethylene compounds
BAYER AG7 citations73
US4668788AMay 26, 1987
5,5-dichloro-4,5-dihydro-6-hydroxy-2-trichloromethylpyrimidin-4-one
BAYER AG6 citations73
US4618698AOct 21, 1986
Process for the preparation of a mixture of an optionally substituted cinnamic acid ester and an optionally substituted β-alkoxy-β-phenyl-propionic acid ester, and a process for the preparation of optionally substituted cinnamic acid
BAYER AG8 citations71
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
US4760209AJul 26, 1988
Process for preparing 3,5-dichloro-α-methylstyrene
BAYER AG2 citations60
US6002041ADec 14, 1999
Process for preparing di-C1 - C4 -alkyl 5-nitro-isophthalates
BAYER AG1 citations51
US5859298AJan 12, 1999
Process for the preparation of 2-halogeno-4,5-difluorobenzoyl fluorides
BAYER AG0 citations51
US5399773AMar 21, 1995
Process for the preparation of nitrophenyl alkyl ethers
BAYER AG1 citations50
US4613692ASep 23, 1986
Process for the preparation of cinnamic acids which are optionally substituted in the nucleus
BAYER AG1 citations47