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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)

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 is a renowned manufacturer of photographic materials, primarily known for its black-and-white films, papers, and photochemistry. With over 140 years of expertise, Ilford has established itself as a trusted brand in the photography industry. They offer a wide range of products catering to both professional and amateur photographers, enabling them to capture and preserve exceptional images. Ilford continues to innovate and adapt to the digital era while maintaining the timeless quality and aesthetics of traditional photography.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

30 Patents

#1 in Knutsford

#593 in United Kingdom

#21,816 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)

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