John B. Covington
7Patents
5h-index
6Co-inventors
52Inventor score
Filing activity: Jun 25, 1979 → Sep 13, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4262072A | Poly(ethylenically unsaturated alkoxy) heterocyclic protective coatings | Emerging Cross-Sectional Technologies | 142 | Expired |
| US4306954A | Process for polymerizing acrylic substituted hydantoins in air | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4323591A | Irradiation of polyacrylate films in air | Chemistry; Metallurgy | 27 | Expired |
| US4816380A | Water soluble contrast enhancement layer method of forming resist image on semiconductor chip | Physics | 7 | Expired |
| US4959293A | Deep UV photoresist with alkyl 2-diazo-1-ones as solubility modification agents | Physics | 5 | Expired |
| US4997742A | Water soluble contrast enhancement composition with 1-oxy-2 diazonaphthalene sulfonamide salt and polyvinyl alcohol | Physics | 4 | Expired |
| US5173390A | Water soluble contrast enhancement composition and method of use | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.