John D. Hildreth
4Patents
2h-index
6Co-inventors
33Inventor score
Filing activity: Dec 23, 1975 → Dec 15, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4266939A | Composition of 4-amino-4'-nitrostilbene-2,2'-disulphonic acid diazo compounds and coloring process | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4256671A | Production of 2,4- and 2,6-diaminotoluenes | Chemistry; Metallurgy | 2 | Expired |
| US4111649A | Dyestuff preparations and processes for their production | Chemistry; Metallurgy | 1 | Expired |
| US4299779A | Catalytic reduction of 2-nitronaphthalene-4,8-disulfonic acid ammonium salt | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.