Inventor
VON DER CRONE JOST
32 patents
⚠️ This page may combine multiple inventors who share the name “VON DER CRONE JOST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
31 patentsUS4262120AApr 14, 1981
Isoindoline pigments
CIBA GEIGY CORP24 citations82
US4022770AMay 10, 1977
Metal complexes of azomethines and process for their manufacture
CIBA GEIGY CORP19 citations82
US4400507AAug 23, 1983
Isoindoline pigments
CIBA GEIGY CORP9 citations74
US4384057AMay 17, 1983
Composition containing a condensation product of 1,3-diiminoisoindoline and cyanoacetic anilide used to pigment an organic lacquer resin
CIBA GEIGY CORP7 citations74
US4051099ASep 27, 1977
Process for the dyeing of thermoplastics in the melt
CIBA GEIGY CORP18 citations74
US4865650ASep 12, 1989
Novel compositions based on tetrachloroisoindolinone pigments
CIBA GEIGY CORP8 citations73
US4764217AAug 16, 1988
Novel compositions based on isoindoline pigments
CIBA GEIGY CORP14 citations73
US4237292ADec 2, 1980
Metal complexes of azomethines
CIBA GEIGY CORP4 citations73
US4237293ADec 2, 1980
Metal complexes of azomethines
CIBA GEIGY CORP11 citations73
US4132708AJan 2, 1979
Metal complexes of azomethines and process for their manufacture
CIBA GEIGY CORP9 citations73
US4111947ASep 5, 1978
Novel metal complexes of azomethines and process for their manufacture
CIBA GEIGY CORP11 citations73
US4065462ADec 27, 1977
Iminoisoindolinone metal complex
CIBA GEIGY CORP7 citations73
US3979386ASep 7, 1976
Iminoisoindoline pigments and processes for the preparation thereof
CIBA GEIGY CORP9 citations73
US4978768ADec 18, 1990
Process for the preparation of alkyl esters of tetrachloro-2-cyano-benzoic acid
CIBA GEIGY CORP15 citations64
US4997920AMar 5, 1991
Monoazo compounds containing long-chain alkyl radicals
CIBA GEIGY CORP6 citations63
US4970310ANov 13, 1990
Isoindoline pigment compounds
CIBA GEIGY CORP5 citations63
US4259488AMar 31, 1981
Bis-isoindoline pigments
CIBA GEIGY CORP4 citations63
US4116959ASep 26, 1978
Isoindoline pigments
CIBA GEIGY CORP4 citations63
US3994921ANov 30, 1976
Iminoisoindolenine pigments, process for their manufacture and their use
CIBA GEIGY CORP3 citations63
US5071967ADec 10, 1991
Disazo compounds containing long-chain alkyl ester radicals or alkylamide radicals
CIBA GEIGY CORP3 citations62
US4892899AJan 9, 1990
Novel compositions based on tetrachloroisoindolinone pigments
CIBA GEIGY CORP4 citations62
US4237286ADec 2, 1980
Metal complexes of azomethines
CIBA GEIGY CORP3 citations62
US4165319AAug 21, 1979
Isoindoline pigments
CIBA GEIGY CORP6 citations62
US4052410AOct 4, 1977
Iminoisoindoline pigments
CIBA GEIGY CORP6 citations62
US4006162AFeb 1, 1977
Iminoisoindolinone pigments
CIBA GEIGY CORP5 citations62
US3944547AMar 16, 1976
Iminoisoindolinone pigments
CIBA GEIGY CORP3 citations62
US5013455AMay 7, 1991
Process for enhancing the filterability of organic pigments
CIBA GEIGY CORP3 citations54
US4892945AJan 9, 1990
Isoindoline pigments containing at least one triazolopyrimidone radical
CIBA GEIGY CORP1 citations52
US4427752AJan 24, 1984
Use of isoindoline pigments for photoelectrophoretic imaging
CIBA GEIGY CORP1 citations51
US3994899ANov 30, 1976
Metal complex pigments
CIBA GEIGY CORP0 citations51
US4966930AOct 30, 1990
Process for coloring high molecular weight organic material with pigments based on iminoisoindoline
CIBA GEIGY CORP0 citations42