Richard Allen Carmack

Title: Richard Allen Carmack and His Photographic Film Innovation.

Introduction

Richard Allen Carmack is an inventor associated with Fairport, New York, and Eastman Kodak Company. His work includes a patented innovation in photographic materials designed to improve the construction of silver halide photographic elements.

Latest Patents

Carmack is credited with 1 patent, titled “Photographic Silver Halide Element Having Polyester Support and.” The invention describes a polyester support bearing a light-sensitive silver halide emulsion layer, with a polymer-containing subbing layer and a hydrophilic binder layer containing dispersed droplets of a high-boiling hydrophobic organic liquid. The liquid is specified to have an octanol/water partition coefficient logarithm, or log P, greater than 7.7.

The patent also covers processes for preparing the photographic element and forming an image with it. In addition, it describes a polyester-supported photographic element with a hydrophilic antihalation layer, which may contain elemental silver and may be used with or without an intervening subbing layer.

Career Highlights

Carmack’s documented patent work is connected to Eastman Kodak Company and focuses on photographic film materials. The invention addresses the layered structure of photographic elements, including their support, emulsion, subbing, and antihalation components.

Collaborations

Carmack’s listed coworkers include John W. Boettcher and Paul L. Zengerle. Their names provide context for the colleagues associated with his professional work.

Conclusion

Richard Allen Carmack’s patent reflects a contribution to photographic technology through its detailed approach to polyester-supported silver halide elements and their preparation and use.