This inventor holds 2 USPTO granted patents. Top assignee: Ilford Limited. Active years: 1993-1994.
Location History:
- Knutsford Cheshire, GB (1993)
- Knutsford, GB (1994)
Company Filing History:
Years Active: 1993-1994
Title: The Innovations of Ross Fielding
Introduction
Ross Fielding is a notable inventor based in Knutsford, GB. He has made significant contributions to the field of photography through his innovative patents. With a total of 2 patents, Fielding has focused on developing solutions that enhance photographic materials.
Latest Patents
One of Fielding's latest patents is a fixing bath designed for developed silver halide photographic material. This fixing bath utilizes a combination of sodium thiosulphate and potassium thiosulphate as the active silver halide solvent, with a molar ratio of sodium to potassium ranging from about 2:3 to about 3:2. Another significant patent is for silver halide developing solutions, which includes a concentrated developer solution containing from about 20 to about 60 g/l of dihydroxybenzene developing agent, preferably hydroquinone. This solution also incorporates from about 0.5 to about 3.0 g/l of an auxiliary developing agent, preferably 1-phenyl-3 pyrazolidinone, and from about 300 to about 500 g/l of potassium sulphite. The solution is buffered to a pH of from about 8 to about 10, ensuring a long useful life and producing images of low graininess when diluted.
Career Highlights
Fielding is currently associated with Ilford Limited, a company known for its expertise in photographic materials. His work has contributed to advancements in the quality and longevity of photographic images.
Collaborations
Fielding collaborates with Robert S Millington, enhancing the innovative efforts within their field.
Conclusion
Ross Fielding's contributions to photographic technology through his patents demonstrate his commitment to innovation. His work continues to influence the industry, ensuring high-quality photographic solutions.