Inventor
KEMPER REINHARD
DE13 patents
⚠️ This page may combine multiple inventors who share the name “KEMPER REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
12 patentsUS4845214AJul 4, 1989
Process for conditioning isoindoline pigments
BASF AG16 citations73
US4525591AJun 25, 1985
2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted isoindoline dyes and their use
BASF AG8 citations73
US4480097AOct 30, 1984
Isoindoline colorants
BASF AG8 citations73
US4340735AJul 20, 1982
Isoindoline colorants
BASF AG8 citations73
US4956464ASep 11, 1990
Preparation of dihydroquinacridones, quinacridones and quinacridonequinones
BASF AG18 citations71
US4723023AFeb 2, 1988
Isoindoline dyes
BASF AG2 citations62
US4401815AAug 30, 1983
Isoindoline colorants
BASF AG6 citations62
US4352932AOct 5, 1982
Isoindoline colorants
BASF AG2 citations62
US6258959B1Jul 10, 2001
Process for the preparation of 2,4-dimethyl-3,5-bisalkoxycarbonylpyrrole
BASF AG2 citations61
US4609726ASep 2, 1986
Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine
BASF AG3 citations61
US6166223ADec 26, 2000
Process for the preparation of 2,4-dimethylpyrrole
BASF AG0 citations51
US4746740AMay 24, 1988
Isoindoline colorants
BASF AG1 citations51