P

Inventor

RUFF WOLFGANG

DE7 patents
⚠️ This page may combine multiple inventors who share the name “RUFF WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BASF FARBEN & FASERN

4 patents
US4720304AJan 19, 1988

Pigment formulations

BASF FARBEN & FASERN15 citations71
US4222788ASep 16, 1980

Mixed pigment and process of preparing the same

BASF FARBEN & FASERN9 citations71
US4247296AJan 27, 1981

Diazo pigments

BASF FARBEN & FASERN7 citations67
US4602960AJul 29, 1986

Modified diarylide pigments and their preparation

BASF FARBEN & FASERN6 citations61

BASF LACKE & FARBEN

2 patents
US4981489AJan 1, 1991

Disazo compounds and formulations containing same

BASF LACKE & FARBEN5 citations71
US4894094AJan 16, 1990

Disazo compounds and formulations containing same

BASF LACKE & FARBEN7 citations71

BASF FARBEN & 0 FASERN AG

1 patent
US4052378AOct 4, 1977

Red pigment obtained by coupling diazotized 4-aminonaphthalimide with 2,6-dihydroxy-3-cyano-4-methylpyridine

BASF FARBEN & 0 FASERN AG2 citations49