This inventor holds 4 USPTO granted patents. Top assignee: Eastman-Kodak Company. Active years: 1981-1996.
Company Filing History:
Years Active: 1981-1996
Title: Michael D. Purol: Innovator in Photographic Processing
Introduction
Michael D. Purol is a notable inventor based in Rochester, NY (US), recognized for his contributions to photographic processing technologies. He holds a total of 4 patents, showcasing his innovative approach to solving challenges in the field.
Latest Patents
Among his latest patents, Purol developed a "Process for recycling photographic wash water." This method involves treating photoprocessing wash water through a sequence of steps, including the use of an acrylic anion exchange resin to remove silver thiosulfate complex and an oxidizing agent to convert thiosulfate ions to sulfate ions. Another significant patent is for an improved "Photographic developing solution," which is free of dihydroxybenzene developing agents like hydroquinone. This solution has a pH range of 9.5 to 11.5 and includes an ascorbic acid developing agent, an auxiliary super-additive developing agent, and a carbonate buffering agent. It is particularly advantageous for forming high-contrast images using silver halide photographic elements.
Career Highlights
Michael D. Purol is associated with the Eastman Kodak Company, where he has made significant strides in photographic technology. His work has contributed to advancements in both ecological sustainability and image quality in photographic processes.
Collaborations
Purol has collaborated with notable colleagues, including Paul A. Zielinski and Donald L. Kerr, further enhancing the innovative efforts within his field.
Conclusion
Michael D. Purol's contributions to photographic processing through his patents and work at Eastman Kodak Company highlight his role as a key innovator in the industry. His inventions not only address practical challenges but also promote ecological sustainability in photographic practices.