Inventor
FREUDENBERGER DIETER
DE6 patents
Patents
6 patentsUS4096156AJun 20, 1978
Process for the catalytic manufacture of γ-butyrolactone
HOECHST AG72 citations95
US4720577AJan 19, 1988
Process for the extraction of carboxylic acids from dilute aqueous solutions
HOECHST AG19 citations78
US3935274AJan 27, 1976
Process for the continuous preparation of hydroxypivaldehyde
HOECHST AG31 citations78
US4235790ANov 25, 1980
Process for separating p-benzoquinone from the reaction products of phenol oxidation as quinhydrone
HOECHST AG10 citations71
US4140865AFeb 20, 1979
Process for the manufacture of vinyl acetic acid
HOECHST AG6 citations61
US3980671ASep 14, 1976
Process for the manufacture of vinyl acetic acid and optionally of γ-b
HOECHST AG6 citations61