Cecil V. Stead
8Patents
3h-index
10Co-inventors
50Inventor score
Filing activity: Mar 18, 1976 → Nov 30, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4865990A | Protein adsorbent including a colored compound containing a quaternary ammonium especially amidinium or guanidimium cationic group and a cellulose reactive group | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4091021A | Azo dyestuffs | Chemistry; Metallurgy | 6 | Expired |
| US4213899A | Reactive dyestuffs containing chlorine or fluorine substituents and one or more pyridine radicals linked to the dyestuff at the 2-, 4- or 6-position | Textiles; Paper | 4 | Expired |
| US4851528A | Anthraquinone derivatives | Performing Operations; Transporting | 3 | Expired |
| US4051175A | Phosphonophenylaminonaphthalene compounds | Chemistry; Metallurgy | 2 | Expired |
| US4994111A | Ink-jet ink containing lithium salt of copper complex monoazo dye | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4931550A | Lithium salt of copper complex monoazo dye | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4864018A | Anthraquinone derivatives and their use as protein absorbents | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.