Inventor
ROSCHER GUENTER
DE25 patents
⚠️ This page may combine multiple inventors who share the name “ROSCHER GUENTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
22 patentsUS4902823AFeb 20, 1990
Process for the preparation of vinyl acetate
HOECHST AG97 citations96
US5250487AOct 5, 1993
Carrier catalyst, process for its preparation, and its use for the preparation of vinyl acetate
HOECHST AG59 citations94
US5744010AApr 28, 1998
Process for the preparation of the non-toxic salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and arrangement for carrying out this process
HOECHST AG60 citations92
US5292931AMar 8, 1994
Carrier catalyst, process for its preparation, and its use for the preparation of vinyl acetate
HOECHST AG30 citations92
US5225388AJul 6, 1993
Method for making a catalyst
HOECHST AG24 citations92
US5066365ANov 19, 1991
Process for the isolation of vinyl acetate by distillation
HOECHST AG49 citations91
US4370492AJan 25, 1983
Preparation of vinyl acetate from ethylene, acetic acid and oxygen in the gaseous phase
HOECHST AG28 citations89
US4818347AApr 4, 1989
Process for the isolation of vinyl acetate
HOECHST AG27 citations87
US4370261AJan 25, 1983
Carrier catalyst for the preparation of vinyl acetate from ethylene, acetic acid and oxygen in the gaseous phase
HOECHST AG18 citations78
US5319138AJun 7, 1994
Process for the preparation of pure propanephosphonic anhydride
HOECHST AG7 citations73
US4668819AMay 26, 1987
Process for the manufacture of unsaturated esters of carboxylic acids
HOECHST AG11 citations73
US4380663AApr 19, 1983
Process for the preparation of practically formic acid-free acetic acid
HOECHST AG8 citations71
US4353783AOct 12, 1982
Process for separating water from mixtures thereof with vinyl acetate and acetic acid
HOECHST AG10 citations71
US4229261AOct 21, 1980
Process for separating water from organic multiple component mixtures by distillation
HOECHST AG8 citations67
US5391815AFeb 21, 1995
Method of separating vinylphosphonic acid from crude mixtures
HOECHST AG3 citations63
US5475128ADec 12, 1995
Process for preparing dialkyl vinylphosphonates
HOECHST AG3 citations59
US4894470AJan 16, 1990
Process for the preparation of dialkyl vinylphosphonates
HOECHST AG4 citations54
US5210259AMay 11, 1993
Process for the oxidation of dialkyl esters of 2-hydroxy-ethylphosphonic acid
HOECHST AG0 citations52
US4960919AOct 2, 1990
Process for the preparation of alkyl alkenylphosphinates
HOECHST AG1 citations52
US5763637AJun 9, 1998
Process for preparing dimethyl vinylphosphonate from dimethyl 2-acetoxyethanephosphonate
HOECHST AG0 citations49
US4502993AMar 5, 1985
Process for the preparation of unsaturated aliphatic carboxylic acids
HOECHST AG0 citations48
US5710330AJan 20, 1998
Process for preparing alkanephosphonic anhydrides
HOECHST AG0 citations47