This inventor holds 15 USPTO granted patents. Top assignee: Ciba-Geigy Ag. Active years: 1976-1988.
Location History:
- Marly-le-Petit, CH (1976)
- Marly, CH (1976 - 1978)
- Dudingen, CH (1978 - 1988)
Company Filing History:
Years Active: 1976-1988
Title: Paul Tschopp: Innovator in Photographic Materials
Introduction
Paul Tschopp is a notable inventor based in Düdingen, Switzerland. He has made significant contributions to the field of photographic materials, holding a total of 15 patents. His work has focused on enhancing the quality and stability of photographic products.
Latest Patents
Among his latest patents, Tschopp has developed innovative materials such as imidazole azo dyes. This photographic recording material contains specific dyes that ensure good color reproduction, brilliant colors, and excellent lightfastness. Another significant patent involves dibenzoxaphosphorin compounds, which stabilize photographic materials containing magenta couplers. This innovation effectively reduces yellowing during dark storage, enhancing the longevity of photographic products.
Career Highlights
Tschopp's career has been marked by his association with Ciba-Geigy AG, a leading company in the chemical and pharmaceutical industry. His work has not only advanced the field of photography but has also contributed to the broader scope of chemical applications in various industries.
Collaborations
Throughout his career, Tschopp has collaborated with esteemed colleagues such as Thomas Stauner and Bernhard Piller. These collaborations have fostered innovation and have led to the development of groundbreaking technologies in photographic materials.
Conclusion
Paul Tschopp's contributions to the field of photographic materials through his patents and collaborations highlight his role as a significant innovator. His work continues to influence the industry, ensuring advancements in photographic technology.