Inventor · disambiguated record
Stefan Hari
Also filed as: HARI STEFAN · ROUECHE ARMAND
25 granted patents·194 citations·filing 1974–1994
96Inventor score
Files withCIBA GEIGY CORP25
Top patents by PatentIndex Score
25 records- 0191US4044036AMetal complexes of bis-azomethines from hydroxy-aldehydes and alkylene diaminesCIBA GEIGY CORP·Filed 1974·Granted Aug 23, 1977·20 cites·10 claims
- 0287US4138568AProcess for the manufacture of benzimidazolones-(2)CIBA GEIGY CORP·Filed 1977·Granted Feb 6, 1979·31 cites·6 claims
- 0384US4220586AHetero-aryl azo acylamino substituted aceto-acetarylide pigmentsCIBA GEIGY CORP·Filed 1977·Granted Sep 2, 1980·12 cites·5 claims
- 0483US4992495AProcess for coloring high-molecular weight organic material using amine salts of azo pigments based on pyrazolone derivativesCIBA GEIGY CORP·Filed 1988·Granted Feb 12, 1991·13 cites·4 claims
- 0580US4980458AMixed sodium, ammonium and/or calcium salt crystals of laked monoazo disulfonated pyrazolone pigmentsCIBA GEIGY CORP·Filed 1989·Granted Dec 25, 1990·16 cites·2 claims
- 0678US5380870AMixed crystals of sulfonated diketopyrrolopyrrolesCIBA GEIGY CORP·Filed 1993·Granted Jan 10, 1995·19 cites·7 claims
- 0768US3956266ABis-(benzimidazolone-azo-acetoacetylamino)-phenylene pigmentsCIBA GEIGY CORP·Filed 1974·Granted May 11, 1976·18 cites·1 claims
- 0866US5151505AAmine salts of azo pigments based on pyrazolone derivativesCIBA GEIGY CORP·Filed 1990·Granted Sep 29, 1992·6 cites·2 claims
- 0965US4946948AMono and disazo compounds based on b-hydroxy-naphthoic acid derivatives or acetoacetarylide derivatives containing long-chain alkyl ester or alkylamide radicalsCIBA GEIGY CORP·Filed 1989·Granted Aug 7, 1990·7 cites·11 claims
- 1064US4400319AMonoazo pigments containing heterocycles, and high-molecular organic materials dyed therewithCIBA GEIGY CORP·Filed 1981·Granted Aug 23, 1983·7 cites·10 claims
- 1161US4062838ADisazo pigments containing acylamino groupsCIBA GEIGY CORP·Filed 1976·Granted Dec 13, 1977·5 cites·6 claims
- 1260US4997920AMonoazo compounds containing long-chain alkyl radicalsCIBA GEIGY CORP·Filed 1989·Granted Mar 5, 1991·6 cites·10 claims
- 1358US5280121APerylenetetracarboxylic acid diimides containing long-chain alkanoylamino radicalsCIBA GEIGY CORP·Filed 1992·Granted Jan 18, 1994·5 cites·1 claims
- 1457US4081439AAromatic disazo pigmentsCIBA GEIGY CORP·Filed 1976·Granted Mar 28, 1978·4 cites·1 claims
- 1556US5395926ABisazo, bisazomethine and azo-azomethine compounds derived from 1,4-phenylenediamine sulfonic acid saltsCIBA GEIGY CORP·Filed 1993·Granted Mar 7, 1995·5 cites·8 claims
- 1653US4737581APhenyl-azo-hydroxynaphthoic acid amide pigments containing at least one carbonamide groupCIBA GEIGY CORP·Filed 1985·Granted Apr 12, 1988·4 cites·4 claims
- 1749US4031073AMonoazo pigments containing barbituric acid or thio- or imino-derivatives thereofCIBA GEIGY CORP·Filed 1975·Granted Jun 21, 1977·3 cites·9 claims
- 1846US5071967ADisazo compounds containing long-chain alkyl ester radicals or alkylamide radicalsCIBA GEIGY CORP·Filed 1991·Granted Dec 10, 1991·3 cites·7 claims
- 1946US4088641A4-Methyl-5-(benzimidazolonylazo)-6-hydroxypyridone-2 pigmentCIBA GEIGY CORP·Filed 1976·Granted May 9, 1978·2 cites·1 claims
- 2044US5298609ADisazo compounds containing cycloalkyl ester or cycloalkylamide groupsCIBA GEIGY CORP·Filed 1993·Granted Mar 29, 1994·2 cites·2 claims
- 2143US4473500AMonoazo pigments derived from aminophthalimides and substituted acetoacetarylides or 2-hydroxy-3-naphthoylarylidesCIBA GEIGY CORP·Filed 1982·Granted Sep 25, 1984·2 cites·8 claims
- 2239US4263205AMonoazo pigments derived from substituted aminothiophenesCIBA GEIGY CORP·Filed 1979·Granted Apr 21, 1981·1 cites·6 claims
- 2338US4602961AProcess for pigmenting high molecular weight organic materialCIBA GEIGY CORP·Filed 1984·Granted Jul 29, 1986·3 cites·3 claims
- 2433USRE35359EAmine salts of azo pigments based on pyrazolone derivativesCIBA GEIGY CORP·Filed 1994·Granted Oct 22, 1996·0 cites·2 claims
- 2530US4093613ATrisazo pigments containing two barbituric acid coupling componentsCIBA GEIGY CORP·Filed 1976·Granted Jun 6, 1978·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →