Inventor · disambiguated record
Armand Roueche
Also filed as: HARI STEFAN · ROUECHE ARMAND
13 granted patents·95 citations·filing 1974–1981
91Inventor score
Files withCIBA GEIGY CORP13
Top patents by PatentIndex Score
13 records- 0190US4334932APigment formulations, processes for their preparation and their use for pigmenting aqueous, alcoholic or aqueous-alcoholic printing ink systems and colored lacquer systemsCIBA GEIGY CORP·Filed 1981·Granted Jun 15, 1982·23 cites·9 claims
- 0287US4012371ABenzinaldazolyl-, quinolonyl-, or phenmorpholonylazo-3-cyano-4-methyl-1,2-[1',2']-benz-[4',5']-imidazolo-6-hydroxypyridine colorantsCIBA GEIGY CORP·Filed 1975·Granted Mar 15, 1977·13 cites·4 claims
- 0384US4220586AHetero-aryl azo acylamino substituted aceto-acetarylide pigmentsCIBA GEIGY CORP·Filed 1977·Granted Sep 2, 1980·12 cites·5 claims
- 0480US4340430AAzo pigments, process for their production and their useCIBA GEIGY CORP·Filed 1980·Granted Jul 20, 1982·13 cites·9 claims
- 0567US4392999AMonoazo pigments containing hydroxynaphthoylamino benzimidazolone radicalCIBA GEIGY CORP·Filed 1981·Granted Jul 12, 1983·6 cites·3 claims
- 0664US4229344AMonazo pigments containing hydroxynaphthoylaminobenzimidazalone radicalCIBA GEIGY CORP·Filed 1978·Granted Oct 21, 1980·5 cites·7 claims
- 0754US4053464ADisazo pigments containing ether substituted alkoxy carbonyl groupsCIBA GEIGY CORP·Filed 1974·Granted Oct 11, 1977·3 cites·1 claims
- 0853US4370431AProcess for coloring fibre forming polyamides in the melt with azo pigmentsCIBA GEIGY CORP·Filed 1981·Granted Jan 25, 1983·8 cites·9 claims
- 0947US3978038ADisazo pigments containing at least one nitro group on the diazo componentCIBA GEIGY CORP·Filed 1974·Granted Aug 31, 1976·7 cites·2 claims
- 1044US4206114AMonoazo pigments from diazotized 5-acylaminoanthranilic acid derivatives and acetoacetylaminobenzimidazolonesCIBA GEIGY CORP·Filed 1978·Granted Jun 3, 1980·4 cites·7 claims
- 1134US4269976APigment of sodium salt of bis-methine-barbituric acidCIBA GEIGY CORP·Filed 1979·Granted May 26, 1981·0 cites·1 claims
- 1230US4093613ATrisazo pigments containing two barbituric acid coupling componentsCIBA GEIGY CORP·Filed 1976·Granted Jun 6, 1978·0 cites·8 claims
- 1329US3988312ATetrakisazo pigments prepared by reacting an aminoazobenzene and an aryl-bis-acetoacetylamino derivativeCIBA GEIGY CORP·Filed 1975·Granted Oct 26, 1976·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →