This inventor holds 2 USPTO granted patents. Top assignees: Agfa Gevaert Nv, Agfa-Gevaert. Active years: 2000-2003.
Company Filing History:
Years Active: 2000-2003
Title: Siegfried Dzwonnek: Innovator in Color Photographic Materials
Introduction
Siegfried Dzwonnek is a notable inventor based in Pulheim, Germany. He has made significant contributions to the field of photographic materials, particularly in color photographic recording technologies. With a total of 2 patents, his work has had a lasting impact on the industry.
Latest Patents
Dzwonnek's latest patents include advancements in color photographic print materials. One of his notable inventions is a color photographic recording material that features a support with multiple silver halide emulsion layers. These layers are sensitive to different colors, with a yellow coupler associated with the blue-sensitive layer, a magenta coupler with the green-sensitive layer, and a cyan coupler with the red-sensitive layer. This innovative design also incorporates light-insensitive intermediate layers and a pyrazolotriazole coupler as a magenta coupler, enhancing the quality of color reproduction.
Career Highlights
Throughout his career, Dzwonnek has worked with prominent companies in the photographic industry, including Agfa Gevaert NV and Agfa-Gevaert. His experience in these organizations has allowed him to refine his expertise in photographic technologies and contribute to various innovative projects.
Collaborations
Dzwonnek has collaborated with notable colleagues such as Günter Helling and Ralf Weimann. These partnerships have fostered a creative environment that has led to the development of groundbreaking photographic materials.
Conclusion
Siegfried Dzwonnek's contributions to color photographic materials demonstrate his innovative spirit and dedication to advancing photographic technology. His patents reflect a deep understanding of the complexities involved in color reproduction, making him a significant figure in the field.