Inventor
OBERLINNER ANDREAS
DE19 patents
Patents
19 patentsUS4647675AMar 3, 1987
Rhodamine dyes
BASF AG79 citations96
US4935059AJun 19, 1990
Basic rhodamine dyes
BASF AG43 citations92
US3971808AJul 27, 1976
Spirodipyrans and chromogenic materials for copying processes
BASF AG41 citations92
US3985376AOct 12, 1976
Dye precursors for pressure-sensitive recording material
BASF AG27 citations82
US4110348AAug 29, 1978
7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes
BASF AG6 citations74
US4029677AJun 14, 1977
Spirodipyrans useful as dye precursors for copying processes
BASF AG6 citations74
US4603202AJul 29, 1986
Fluoran colorants for recording systems
BASF AG9 citations73
US3971821AJul 27, 1976
Production of aminobenzaldehydes
BASF AG9 citations73
US4717423AJan 5, 1988
Mixtures of dye precursors, and pressure-sensitive recording material containing these mixtures
BASF AG4 citations63
US4161589AJul 17, 1979
Spirodipyrans
BASF AG6 citations63
US4147509AApr 3, 1979
Pressure-sensitive recording material
BASF AG4 citations63
US4119622AOct 10, 1978
Pyrazolonylazoaniline or aminonaphtyl compounds for copying processes
BASF AG6 citations63
US4966983AOct 30, 1990
Benzopyrans for use in recording systems
BASF AG3 citations60
US4841050AJun 20, 1989
Carbazole containing benzopyrans
BASF AG2 citations60
US5053524AOct 1, 1991
3-aminophenylpentane-1,5-diones
BASF AG0 citations52
US4345073AAug 17, 1982
7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes
BASF AG0 citations52
US4316027AFeb 16, 1982
7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes
BASF AG0 citations52
US4611070ASep 9, 1986
Spirodibenzopyrans
BASF AG1 citations51
US4958021ASep 18, 1990
Benzopyran derivatives
BASF AG1 citations50