Location History:
- Ilford, EN (1976 - 1978)
- Hornchurch, EN (1978)
- Hornchurch, GB (1978 - 1985)
- Holmes Chapel, GB (1985)
Company Filing History:
Years Active: 1976-1985
Title: The Innovative Contributions of Norman A. Smith
Introduction
Norman A. Smith is a notable inventor based in Hornchurch, GB. He has made significant contributions to the field of developing agents and photographic materials, holding a total of 11 patents. His work has had a lasting impact on the industry, particularly in the area of chemical compounds used in photographic processes.
Latest Patents
Among his latest patents, Smith has developed compounds that serve as effective developing agents. These compounds are characterized by a specific formula where L can be a direct bond or a chain of carbon atoms, and R1 to R4 can be hydrogen or alkyl. Additionally, R5 and R6 can be hydrogen, alkyl, or aryl, while R7 is defined by a particular group formula. These innovations are particularly useful in activation processing. Another significant patent involves hydroquinones, which are utilized as protected developing agents in photographic silver halide materials. The formula for these hydroquinones includes various residues and groups that enhance their effectiveness in photographic applications.
Career Highlights
Throughout his career, Norman A. Smith has worked with prominent companies, including Ciba-Geigy AG. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking innovations in his field.
Collaborations
Smith has collaborated with notable individuals such as Rainer Kitzing and Stephen R. Postle. These partnerships have fostered a creative environment that has led to the development of several important patents.
Conclusion
Norman A. Smith's contributions to the field of developing agents and photographic materials are noteworthy. His innovative patents and collaborations have significantly advanced the industry, showcasing his expertise and dedication to invention.