Leon D Cerankowski

Title: The Innovations of Leon D Cerankowski

Introduction

Leon D Cerankowski is a notable inventor based in Carlisle, MA (US). He has made significant contributions to the field of photography through his innovative inventions. With a total of 4 patents to his name, Cerankowski has focused on enhancing photographic processes and products.

Latest Patents

One of his latest patents involves color transfer photographic processes and products. This invention relates to diffusion transfer processes where the transmission density of the pigmented processing composition layer is increased. By employing an alkali earth metal salt, the light-absorbing ability of a carboxynaphthol phthalein optical filter agent is enhanced within the processing composition layer. In another embodiment, a carboxyindole phthalein optical filter agent is included, and a zinc or cadmium salt is used to shift the spectral absorption of the carboxyindole phthalein into the green region of the visible spectrum. Furthermore, a calcium salt is utilized in a viscous pigmented processing composition that comprises a light-reflecting pigment, colloidal silica, and a metal chelating agent, such as an alkylene polyamine polyacetic acid, to stabilize the spreading characteristics of the composition.

Career Highlights

Cerankowski has worked at Polaroid Corporation, a company renowned for its innovations in photography. His work has contributed to the advancement of photographic technology, particularly in the area of color transfer processes.

Collaborations

Throughout his career, Cerankowski has collaborated with notable coworkers, including Neil C Mattucci and Gary S LaPointe. These collaborations have likely played a role in the development and refinement of his innovative ideas.

Conclusion

Leon D Cerankowski's contributions to the field of photography through his patents demonstrate his commitment to innovation. His work continues to influence the industry and enhance photographic processes.