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Knutsford, United Kingdom

Ilford Limited

USPTO Granted Patents = 30

Trademarks = 5

Forward Citations = 212

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48 inventors (with patents filed for the assignee):

Michael John Parker (3 out of 5 patents)

Clive W Mowforth (3 out of 3 patents)

Trevor J Maternaghan (3 out of 3 patents)

4. John L Cawse (3 out of 3 patents)

5. Anthony I Hopwood (3 out of 3 patents)

6. William E Long (3 out of 24 patents)

7. Rolf Steiger (2 out of 27 patents)

8. Glenn P Wood (2 out of 2 patents)

9. Neil F Ashford (2 out of 2 patents)

10. Alan Hodgson (2 out of 2 patents)

11. Stephen R Postle (2 out of 2 patents)

12. Peter M Blum (2 out of 2 patents)

13. Terence C Webb (2 out of 11 patents)

14. James F Bullock (2 out of 3 patents)

15. Peter J Elton (2 out of 4 patents)

Core Competencies:

Silver Halide

Photographic Print

Holograms

Developing Solutions

Antistatic Backing

Color Coupler

Monomethine Compounds

Latexes

Emulsions

Light Modulating Array

Toning

Film Cassettes

30 patents: Sort by Forward Citations

1. 5770351 - Processing of monochrome photographic silver halide print material (1998-06-23),

2. 5688635 - Toning of photographic print material (1997-11-18),

3. 5376510 - Concentrated photographic developing solution (1994-12-27),

4. 5360701 - Antistatic backing for photographic roll film (1994-11-01),

5. 5358832 - Fixing bath (1994-10-25),

6. 5333026 - Photographic material processor (1994-07-26),

7. 5210010 - Silver halide developing solutions (1993-05-11),

8. 5142384 - Holograms for packaging and display uses (1992-08-25),

9. 5141845 - Process for the spectral sensitization of photographic silver halide (1992-08-25),

10. 5104914 - Preparation of polymer dispersions and photographic elements containing (1992-04-14),

11. 5043257 - Azo dyes for photographic silver dye bleach material (1991-08-27),

12. 5017667 - Preparation of latexes of color coupler polymers (1991-05-21),

13. 5017469 - Twinned emulsions made from silver iodide seed crystals having an aspect (1991-05-21),

14. 5009991 - Silver halide emulsions containing twinned silver halide crystals (1991-04-23),

15. 5003386 - Preparation of a copy hologram with a light modulating array derived (1991-03-26),

Ilford Limited, based in Knutsford, UK, specializes in the development and manufacturing of high-quality photographic materials and imaging solutions. The company is renowned for its innovative products, including black and white photographic films, papers, and digital printing solutions, catering to both professional and amateur photographers. With a strong emphasis on research and technology, Ilford continues to advance imaging techniques, ensuring its products meet the evolving needs of the photographic community worldwide.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

30 Patents

#1 in Knutsford

#593 in United Kingdom

#21,853 in the World

Knutsford, United Kingdom

Ilford Limited

Forward Citations = 212

48 inventors:

Michael John Parker (3 out of 5 patents)

Clive W Mowforth (3 out of 3 patents)

Trevor J Maternaghan (3 out of 3 patents)

4. John L Cawse (3 out of 3 patents)

5. Anthony I Hopwood (3 out of 3 patents)

Please report any incorrect information to [email protected]

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