Evans; Francis J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Evans; Francis J..The latest application filed is for "direct reversal emulsions and photographic elements useful in image transfer film units".
- Evans; Francis J. - Richmansworth GB2
- Evans; Francis J. - Rochester NY
| Patent | Date |
|---|---|
| Direct reversal emulsions and photographic elements useful in image transfer film units Grant 4,504,570 - Evans , et al. March 12, 1 | 1985-03-12 |
| Sensitized high aspect ratio silver halide emulsions and photographic elements Grant 4,439,520 - Kofron , et al. March 27, 1 | 1984-03-27 |
| Blended internal latent image emulsions, elements including such emulsions and processes for their preparation and use Grant 4,035,185 - Evans , et al. July 12, 1 | 1977-07-12 |
| Spectrally sensitized silver halide emulsion containing an internal metal dopant Grant 3,979,213 - Gilman, Jr. , et al. September 7, 1 | 1976-09-07 |
| Photothermographic Element, Composition And Process Grant 3,801,321 - Evans , et al. April 2, 1 | 1974-04-02 |
| Photographic Materials And Processes Grant 3,622,318 - Evans November 23, 1 | 1971-11-23 |
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