Inventor
PINTSCHOVIUS ULRICH
DE6 patents
Patents
6 patentsUS4263441AApr 21, 1981
Novel fluorine-containing benz-azole derivatives, process for their manufacture and their use as optical brighteners
HOECHST AG7 citations72
US4048185ASep 13, 1977
Benzoxazole derivatives, process for their preparation and their use as optical brighteners
HOECHST AG9 citations72
US4016195AApr 5, 1977
Monostyryl-naphthalene derivatives
HOECHST AG11 citations72
US4705860ANov 10, 1987
Quaternary ammonium salts and their use as drag reducing agents
HOECHST AG5 citations61
US3957846AMay 18, 1976
Monostyryl-naphthalene derivatives
HOECHST AG3 citations61
US4154951AMay 15, 1979
Bis-naphthyl-ethylenes
HOECHST AG2 citations59