Richard D Cramer

Title: The Innovations of Richard D Cramer

Introduction

Richard D Cramer is an accomplished inventor based in Wallingford, PA (US). He is known for his significant contributions to the field of optical filter agents, particularly in photographic processes. His innovative work has led to the development of a new class of indicator dyes that enhance the quality and safety of photosensitive materials during processing.

Latest Patents

Cramer holds a patent for "Carbazole phthaleins." This invention relates to a new class of indicator dyes that are useful as optical filter agents in photographic processes. These dyes protect selectively exposed photosensitive materials from further exposure during processing in the presence of incident light. The dyes comprise 3,6-disubstituted carbazoles, wherein the 3,6 substituents are selected from a phthalidyl radical and an o-carboxybenzoyl radical, with specific conditions regarding their arrangement.

Career Highlights

Cramer has made notable strides in his career, particularly through his work at Polaroid Corporation. His innovative approach to developing optical filter agents has positioned him as a key figure in the field of photography and materials science. His patent reflects a deep understanding of chemical compounds and their applications in real-world scenarios.

Collaborations

Cramer has collaborated with Ruth C Bilofsky, contributing to the advancement of their shared projects. Their partnership has fostered innovation and creativity in their respective fields.

Conclusion

Richard D Cramer is a notable inventor whose work in developing indicator dyes has made a significant impact on photographic processes. His contributions continue to influence the industry, showcasing the importance of innovation in enhancing technology.