Inventor
FRITCH JOHN R
US12 patents
⚠️ This page may combine multiple inventors who share the name “FRITCH JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST CELANESE CORP
8 patentsUS5332834AJul 26, 1994
Racemization of an enantomerically enriched α-aryl carboxylic acid
HOECHST CELANESE CORP36 citations90
US5380867AJan 10, 1995
Selective precipitation of α-aryl carboxylic acid salts
HOECHST CELANESE CORP27 citations89
US5438142AAug 1, 1995
Functionalized tris(hydroxyphenyl) compounds
HOECHST CELANESE CORP16 citations73
US5155273AOct 13, 1992
Production of acetaminophen
HOECHST CELANESE CORP6 citations67
US4954652ASep 4, 1990
Production of acetaminophen
HOECHST CELANESE CORP2 citations61
US5405987AApr 11, 1995
Process for preparing pyridine and quinoline derivatives
HOECHST CELANESE CORP4 citations58
US5399707AMar 21, 1995
Selective precipitation of α-aryl carboxylic acid salts
HOECHST CELANESE CORP1 citations49
US5322948AJun 21, 1994
Process for preparing pyridinecarboxylic acid derivatives
HOECHST CELANESE CORP1 citations48