Frank A. Pettrone
9Patents
4h-index
16Co-inventors
50Inventor score
Filing activity: Oct 10, 1989 → Dec 31, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5061593A | Coated carrier particles for electrographic developers | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5786134A | Motion picture print film | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5240835A | Methods for enzymatically preparing polymerizable monomers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5100754A | Coated carrier particles and electrographic developers containing them | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5114850A | Methods for preparing acetate esters of diols and polyols using corynebacterium oxydans in substantially aqueous media | Chemistry; Metallurgy | 0 | Expired |
| US5753402A | Method for recording and processing motion picture film soundtrack | Physics | 0 | Expired |
| US5811226A | Method of processing a silver halide photographic element which reduces fog | Physics | 0 | Expired |
| US6096489A | Color developing composition and method of use in photoprocessing | Physics | 0 | Expired |
| US5935771A | Method of processing a silver halide photographic element which reduces fog | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.