William C. Schwarzel
14Patents
6h-index
23Co-inventors
66Inventor score
Filing activity: Dec 17, 1980 → Mar 2, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5599650A | Photoreaction quenchers in on-press developable lithographic printing plates | Physics | 39 | Expired |
| US5616449A | Lithographic printing plates with dispersed rubber additives | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5514522A | Synthesis of photoreactive polymeric binders | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5561029A | Low-volatility, substituted 2-phenyl-4,6-bis (halomethyl)-1,3,5-triazine for lithographic printing plates | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6054246A | Heat and radiation-sensitive imaging medium, and processes for use thereof | Performing Operations; Transporting | 14 | Expired |
| US5556924A | Synthesis of photoreactive polymeric binders | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5853958A | Lithographic plate with disperse particulate rubber additive | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4391895A | Diffusion control layers for diffusion transfer photographic film | Physics | 5 | Expired |
| US5206208A | Stabilization of thermal images | Performing Operations; Transporting | 5 | Expired |
| US4547451A | Hydrolyzable diffusion control layers in photographic products | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6258505A | Heat and radiation-sensitive imaging medium, and processes for use thereof | Performing Operations; Transporting | 3 | Expired |
| US4743533A | Photographic system utilizing a compound capable of providing controlled release of photographically useful group | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4352871A | Polymeric hydroxamic acid polyvalent metal salt interlayer for photographic diffusion transfer products | Physics | 0 | Expired |
| US4946964A | Photographic compounds | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.