Inventor
HUPFELD BERND
DE7 patents
⚠️ This page may combine multiple inventors who share the name “HUPFELD BERND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
5 patentsUS5072049ADec 10, 1991
Process for the preparation of bis(4-hydroxyphenyl) sulfone
BASF AG7 citations72
US5886209AMar 23, 1999
Preparation of 2-(4-hydroxyphenoxy) propionates
BASF AG8 citations71
US5298592AMar 29, 1994
Preparation of polyaryl ethers with nitrogen compound catalysts
BASF AG10 citations71
US5389110AFeb 14, 1995
Azo dyes and process of dyeing with azo dyes which contain an N-(hydroxysulfonylphenylalkyl)pyridone coupling component
BASF AG2 citations62
US5256826AOct 26, 1993
Preparation of aromatic carbonyl or sulfonyl compounds with an aryl ether structure
BASF AG2 citations58