Karl Ronco
7Patents
4h-index
5Co-inventors
46Inventor score
Filing activity: Sep 23, 1975 → Oct 17, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4392999A | Monoazo pigments containing hydroxynaphthoylamino benzimidazolone radical | Chemistry; Metallurgy | 5 | Expired |
| US4689403A | Disazo pigment from condensation of carboxylic acid chloride with 2,5-dichloro-1,4-phenylene diamine | Chemistry; Metallurgy | 4 | Expired |
| US4229344A | Monazo pigments containing hydroxynaphthoylaminobenzimidazalone radical | Chemistry; Metallurgy | 4 | Expired |
| US4070353A | Dicarboxylic acid ester diazo pigments | Chemistry; Metallurgy | 4 | Expired |
| US4081439A | Aromatic disazo pigments | Chemistry; Metallurgy | 3 | Expired |
| US4719293A | (2,5-diisopropoxycarbonylbenzene-azo-2-hydroxy-3-carbamoyl naphthalene) pigment | Chemistry; Metallurgy | 2 | Expired |
| US4051122A | Disazo pigments containing tetracarboxylic acid ester groups | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.