Location History:
- Belfast BT7 1JN, GB (1983)
- Brentwood, GB (1980 - 1984)
- Cheshire, GB (1994)
- Wilmslow, GB (1985 - 1998)
Company Filing History:
19 out of 595 
3 out of 30 
1 out of 832,843 Years Active: 1980-1998
Introduction
William E. Long is a prominent inventor based in Brentwood, GB, known for his significant contributions to photographic technology. With a remarkable portfolio of 23 patents, Long has dedicated his career to enhancing photographic processes, particularly in the field of silver halide photography.
Latest Patents
Among his latest innovations are two notable patents:
1. **Processing of Monochrome Photographic Silver Halide Print Material**
2. **Concentrated Photographic Developing Solution**
This developing solution is characterized by its formulation, containing between 50 to 150 g/liter of an ascorbic acid type compound and at least one basic compound with carbonate, sulphite, or hydroxide anions, predominantly from alkali metals. The solution is primarily aqueous but may also include water-miscible organic solvents like ethyl alcohol or glycol solvents, providing flexibility for various photographic applications.
Career Highlights
Over his career, William E. Long has worked with prestigious companies, including Ciba-Geigy AG and Ilford Limited. His experience in such notable organizations has allowed him to refine his expertise in photographic compounds and solutions, contributing significantly to advancements in the field.
Collaborations
Long’s work has also involved collaboration with esteemed colleagues such as Terence C. Webb and Malcolm D. Tirel. These partnerships have been instrumental in fostering innovations that push the boundaries of photographic technology.
Conclusion
With a robust patent portfolio and a career marked by significant achievements, William E. Long continues to be a key figure in the realm of photographic innovation. His contributions not only enhance the industry but also pave the way for future inventors and advancements in photographic science.