Inventor
ROSCH GUNTER
20 patents
Patents
20 patentsUS4002423AJan 11, 1977
Benzofuran derivatives process for their preparation and their use as optical brighteners
HOECHST AG23 citations81
US3951965AApr 20, 1976
Bis-triazinyl-amino)-stilbene-disulfonic acid derivatives
HOECHST AG23 citations81
US4169810AOct 2, 1979
Mixtures of optical brighteners
HOECHST AG25 citations80
US4122257AOct 24, 1978
Benzofuran-oxadiazole compounds
HOECHST AG30 citations78
US3974172AAug 10, 1976
Benzofuran derivatives
HOECHST AG17 citations73
US4142044AFeb 27, 1979
4-Benzoxazolyl-4'-oxadiazolyl stilbene optical brighteners
HOECHST AG13 citations72
US4129412ADec 12, 1978
Brightener mixtures and their use
HOECHST AG9 citations72
US4110246AAug 29, 1978
Mixture of benzoxazole derivatives
HOECHST AG13 citations72
US4048185ASep 13, 1977
Benzoxazole derivatives, process for their preparation and their use as optical brighteners
HOECHST AG9 citations72
US4039531AAug 2, 1977
4-Stilbenyl-1,2,3-triazoles, process for preparing them and their use as optical brighteners
HOECHST AG8 citations72
US4016195AApr 5, 1977
Monostyryl-naphthalene derivatives
HOECHST AG11 citations72
US3931215AJan 6, 1976
Benzofuran derivatives
HOECHST AG11 citations71
US4039555AAug 2, 1977
Benzofuran derivatives, process for preparing them and their use as optical brighteners
HOECHST AG2 citations62
US4001130AJan 4, 1977
Optical brighteners
HOECHST AG3 citations62
US3996213ADec 7, 1976
1,2,4-Triazolyl-(1) derivatives, a process for their preparation and their use as optical brighteners
HOECHST AG5 citations62
US4197401AApr 8, 1980
Stilbenes, process for the manufacture thereof and the use thereof as optical brighteners
HOECHST AG5 citations61
US3957846AMay 18, 1976
Monostyryl-naphthalene derivatives
HOECHST AG3 citations61
US3998812ADec 21, 1976
Styryl-pyrazoline compounds
HOECHST AG2 citations60
US4001221AJan 4, 1977
4-stilbenyl-5-cyano-1,2,3-triazoles
HOECHST AG6 citations58
US3972877AAug 3, 1976
Butadiene derivatives, process for their preparation and their use as optical brighteners
HOECHST AG0 citations51