Armand Roueche
13Patents
5h-index
7Co-inventors
51Inventor score
Filing activity: Feb 27, 1974 → Sep 14, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4334932A | Pigment formulations, processes for their preparation and their use for pigmenting aqueous, alcoholic or aqueous-alcoholic printing ink systems and colored lacquer systems | Chemistry; Metallurgy | 17 | Expired |
| US4012371A | Benzinaldazolyl-, quinolonyl-, or phenmorpholonylazo-3-cyano-4-methyl-1,2-[1',2']-benz-[4',5']-imidazolo-6 -hydroxypyridine colorants | Chemistry; Metallurgy | 7 | Expired |
| US4220586A | Hetero-aryl azo acylamino substituted aceto-acetarylide pigments | Chemistry; Metallurgy | 7 | Expired |
| US4340430A | Azo pigments, process for their production and their use | Chemistry; Metallurgy | 5 | Expired |
| US3978038A | Disazo pigments containing at least one nitro group on the diazo component | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4392999A | Monoazo pigments containing hydroxynaphthoylamino benzimidazolone radical | Chemistry; Metallurgy | 5 | Expired |
| US4229344A | Monazo pigments containing hydroxynaphthoylaminobenzimidazalone radical | Chemistry; Metallurgy | 4 | Expired |
| US4206114A | Monoazo pigments from diazotized 5-acylaminoanthranilic acid derivatives and acetoacetylaminobenzimidazolones | Chemistry; Metallurgy | 4 | Expired |
| US4370431A | Process for coloring fibre forming polyamides in the melt with azo pigments | Chemistry; Metallurgy | 3 | Expired |
| US4053464A | Disazo pigments containing ether substituted alkoxy carbonyl groups | Chemistry; Metallurgy | 3 | Expired |
| US3988312A | Tetrakisazo pigments prepared by reacting an aminoazobenzene and an aryl-bis-acetoacetylamino derivative | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4269976A | Pigment of sodium salt of bis-methine-barbituric acid | Chemistry; Metallurgy | 0 | Expired |
| US4093613A | Trisazo pigments containing two barbituric acid coupling components | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.