Location History:
- Ilford, EN (1976 - 1977)
- Sevenoaks, EN (1977)
- Sevenoaks, GB (1979)
Company Filing History:
Years Active: 1976-1979
Title: The Innovations of Aaron David Ezekiel
Introduction
Aaron David Ezekiel is a notable inventor based in Ilford, GB. He has made significant contributions to the field of photographic materials, holding a total of 4 patents. His work primarily focuses on spectral sensitization, which enhances the light sensitivity of photographic materials.
Latest Patents
Ezekiel's latest patents include innovative methods for spectral sensitization of photographic materials. One of his inventions relates to light-sensitive photographic material that incorporates a light-sensitive heavy metal compound, such as silver halide, along with a spectral sensitizer. This spectral sensitizer is a compound where the radicals of a sensitizing dyestuff are covalently bonded to various functional groups of a natural hydrophilic colloid, preferably gelatin. Another patent addresses the use of new sensitizing dyes, specifically dinuclear cyanine dyes or merocyanine dyes, which have reactive groups attached to either a heterocyclic nucleus of the dye or its methine chain.
Career Highlights
Ezekiel has had a distinguished career, working with Ciba-Geigy AG, a company known for its advancements in chemical and pharmaceutical products. His innovative work in the field of photographic materials has positioned him as a key figure in the industry.
Collaborations
Throughout his career, Ezekiel has collaborated with notable colleagues, including Rolf Steiger and Jean-Francois Reber. These collaborations have contributed to the development of his patents and innovations.
Conclusion
Aaron David Ezekiel's contributions to the field of photographic materials through his patents demonstrate his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future developments in photographic science.