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Patent applications and USPTO patent grants for Weyde; Edith.The latest application filed is for "process for the production of color photographic images and photographic recording materials".
Patent | Date |
---|---|
Process for the production of color photographic images and photographic recording materials Grant 4,458,009 - Weyde , et al. July 3, 1 | 1984-07-03 |
Treatment Of An Imagewise Exposed And Developed Silver Halide Emulsion Layer Containing A Catalase Active Or Peroxide Active Catalyst With Peroxide Grant 3,776,730 - Matejec , et al. December 4, 1 | 1973-12-04 |
Organic Hydrogen Peroxide Addition Compounds For Vesicular Image Formation Processes Grant 3,765,890 - Weyde , et al. October 16, 1 | 1973-10-16 |
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