Mark D Franke is a notable inventor based in Greenville, SC (US). He has made significant contributions to the field of photographic technology, holding a total of 2 patents. His work focuses on improving manufacturing processes and enhancing the quality of photographic elements.

Latest Patents

Franke's latest patents include a "Process for preparation of a photographic element." This innovative process involves the ultrafiltration of silver halide grains combined with a supersensitizing additive. The additive consists of various ions, including Na⁺, K⁺, Li⁺, and NH₄⁺, with specific parameters for n and m. Another significant patent is the "Bead edge guide for use in slide-bead coating." This apparatus is designed to control the bead edge in slide-bead coating, improving coating quality and reducing material loss, especially at increased line speeds.

Career Highlights

Mark D Franke is associated with E.I. du Pont de Nemours and Company, a leading organization in the field of chemical and photographic technologies. His work at this company has allowed him to develop and refine his innovative ideas, contributing to advancements in photographic manufacturing processes.

Collaborations

Throughout his career, Franke has collaborated with notable coworkers, including Richard J Legg and Anna E Doyle. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the photographic industry.

Conclusion

Mark D Franke's contributions to photographic technology through his patents and work at E.I. du Pont de Nemours and Company highlight his role as an influential inventor. His innovative processes and apparatuses continue to impact the industry positively.