Roger M Baralle

Title: Roger M Baralle: Innovator in Photographic Emulsions

Introduction

Roger M Baralle is a notable inventor based in Champigny sur Marne, France. He has made significant contributions to the field of photographic technology, particularly in the development of silver halide emulsions. With a total of 3 patents to his name, Baralle's work has had a lasting impact on the industry.

Latest Patents

Baralle's latest patents focus on photographic emulsions and elements capable of forming direct-positive images. One of his patents discloses silver halide emulsions containing grains that can form an internal latent image. These emulsions incorporate a diphenylmethane nucleating agent, which allows for the formation of a direct-positive image upon imagewise exposure and photographic processing. Another patent reveals similar innovations, utilizing a heterocyclic compound with an arylaminovinylene or aryloxyvinylene substituent as a nucleating agent, further enhancing the capabilities of photographic emulsions.

Career Highlights

Roger M Baralle has had a distinguished career, working with the Eastman Kodak Company, a leader in imaging technology. His expertise in photographic emulsions has positioned him as a key figure in the advancement of photographic processes.

Collaborations

Throughout his career, Baralle has collaborated with notable colleagues, including Marcel A Compere and Maurice E Pfaff. These partnerships have contributed to the innovative developments in photographic technology.

Conclusion

Roger M Baralle's contributions to the field of photographic emulsions demonstrate his commitment to innovation and excellence. His patents continue to influence the industry, showcasing the importance of research and development in photographic technology.