Inventor
GUGLIELMETTI LEONARDO
CH19 patents
Patents
19 patentsUS5332861AJul 26, 1994
Process for preparing distyrylbiphenyl compounds
CIBA GEIGY CORP15 citations73
US5152922AOct 6, 1992
1,4-distyrylbenzene compounds and mixtures thereof with other 1,4-distyrybenzene compounds
CIBA GEIGY CORP7 citations73
US5001253AMar 19, 1991
Fluorescent brighteners consisting of bis-styrylbenzene compounds, a process for their preparation and their use
CIBA GEIGY CORP5 citations73
US4778623AOct 18, 1988
Fluorescent brighteners consisting of bis-styrylbenzene compounds, a process for their preparation and their use
CIBA GEIGY CORP10 citations73
US4719051AJan 12, 1988
Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts
CIBA GEIGY CORP8 citations73
US4539161ASep 3, 1985
Amine oxide compounds
CIBA GEIGY CORP10 citations73
US4267343AMay 12, 1981
Process for the manufacture of 2,5-bis-(benzoxazolyl)-thiophene compounds
CIBA GEIGY CORP9 citations73
US4245007AJan 13, 1981
1,4-Bis-[azol-2'-yl]-naphthalenes and process of using the same
CIBA GEIGY CORP7 citations73
US4891153AJan 2, 1990
Mixtures of fluorescent whitening agents
CIBA GEIGY CORP2 citations63
US4867906ASep 19, 1989
Mixtures of fluorescent whitening agents
CIBA GEIGY CORP3 citations63
US4778622AOct 18, 1988
Mixtures of fluorescent whitening agents
CIBA GEIGY CORP2 citations63
US5041632AAug 20, 1991
Process for the preparation of 4,4'-dinitrostilbene-2,2-disulfonic acid
CIBA GEIGY CORP4 citations62
US4785128ANov 15, 1988
Process for the preparation of bis-styrylbenzenes
CIBA GEIGY CORP3 citations62
US4508784AApr 2, 1985
4-Styryl-4'-vinylbiphenyls, the production thereof and use thereof as fluorescent
CIBA GEIGY CORP4 citations62
US4138429AFeb 6, 1979
Process for the manufacture of o-phenylenediacetonitrile
CIBA GEIGY CORP0 citations52
US4249022AFeb 3, 1981
Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds
CIBA GEIGY CORP0 citations51
US4154754AMay 15, 1979
1,4-Dicyanonaphthalenes
CIBA GEIGY CORP0 citations51
US4048212ASep 13, 1977
Process for the manufacture of 1,4-dicyanonaphthalenes
CIBA GEIGY CORP1 citations51
US4011261AMar 8, 1977
Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds
CIBA GEIGY CORP1 citations51