Michael Yelland
8Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: May 7, 1973 → Nov 5, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3935183A | Indazole-azo phenyl compounds | Chemistry; Metallurgy | 33 | Expired |
| US4330468A | Water soluble monoazo dyes for nylon | Textiles; Paper | 5 | Expired |
| US4162249A | Anthranilic acid arylester-azo-aminonaphthol sulfonic acid dyes | Chemistry; Metallurgy | 2 | Expired |
| US4238400A | Anthraquinone dyes | Chemistry; Metallurgy | 2 | Expired |
| US5010192A | Pyridazinone manufacture | Chemistry; Metallurgy | 1 | Expired |
| US4257977A | 2-Nitro-4'-aminodiphenylamine-2',4-disulfonic acid and process for its preparation | Chemistry; Metallurgy | 1 | Expired |
| US5344966A | Hydrogenation of phenylphosphonic acid | Chemistry; Metallurgy | 0 | Expired |
| US5003067A | Pyridazinone manufacture | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.