Charles I Sullivan

Title: The Innovative Contributions of Charles I Sullivan

Introduction

Charles I Sullivan is a notable inventor based in Melrose, MA, who has made significant contributions to the field of photographic technology. With a total of nine patents to his name, Sullivan's work has had a lasting impact on the industry.

Latest Patents

Sullivan's latest patents include innovations such as hydrolyzable diffusion control layers in photographic products. These photographic diffusion transfer film units incorporate polymeric diffusion control layers that are hydrolyzable in an alkaline medium. This technology allows for the conversion of a layer comprising one or more polymers from a condition of impermeability to a state of substantial permeability to alkaline processing compositions. Another significant patent involves a polymeric matrix containing a beta-eliminating polymer, which is designed for use in diffusion transfer film units, interlayers, or overcoats in photosensitive elements.

Career Highlights

Throughout his career, Charles I Sullivan has worked with prominent companies, including Polaroid Corporation and its Patent Department. His work has been instrumental in advancing photographic technologies and enhancing the quality of photographic products.

Collaborations

Sullivan has collaborated with notable individuals in the field, including Lloyd D Taylor and Stanley F Bedell. These collaborations have contributed to the development of innovative solutions in photographic technology.

Conclusion

Charles I Sullivan's contributions to the field of photography through his patents and collaborations highlight his role as a significant inventor. His innovative work continues to influence the industry today.