Company Filing History:
Years Active: 1976-1981
Title: Innovations by Max Marthaler: A Pioneer in Silver Dye-Bleach Technology
Introduction
Max Marthaler, an esteemed inventor based in Marly, Switzerland, has made significant contributions to the field of photographic chemistry with a repertoire of eight patents. His work mainly focuses on processing methods for silver dye-bleach materials, addressing challenges in image quality and stability.
Latest Patents
Among his latest innovations, Marthaler has developed a groundbreaking method for processing exposed silver dye-bleach materials. This method utilizes novel preparations that include a strong acid, a water-soluble iodide, and a water-soluble oxidizing agent, combined with antioxidant components. The unique aspect of this preparation lies in its use of a mixture of 1,4- or 1,2-diazines as bleach catalysts. This mixture can feature two bleach catalysts with redox potentials between +105 mV and -30 mV, or a bleach catalyst in conjunction with another that has a substantial redox potential difference of at least 15 mV. The application of these preparations yields enhanced image color quality, marking a significant advancement in photographic processing.
Additionally, Marthaler's patent for a process aimed at preventing darkening and sediment formation in photographic developer solutions presents an innovative solution. By incorporating a combination of organic thiol compounds and Bunte salts, the process ensures outstanding stability in developer solutions, which is crucial for maintaining image integrity.
Career Highlights
Throughout his career, Max Marthaler has worked with notable companies, including Ciba-Geigy AG. His experience at such esteemed organizations has played a vital role in shaping his expertise and innovations in photographic chemistry.
Collaborations
Marthaler has collaborated with several talented professionals in his field, including John Lenoir and Ekkehard Kramp. These collaborations reflect his commitment to pioneering advancements in photographic technology through teamwork and shared knowledge.
Conclusion
Max Marthaler stands out as a visionary inventor whose contributions to silver dye-bleach technologies have substantially impacted the photographic industry. His innovative methods not only enhance image quality but also improve the stability of developer solutions, showcasing the continuous evolution of photographic processing techniques. As more advancements unfold from Marthaler's work, the future of photographic chemistry looks promising.