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Ingatestone, United Kingdom

Rainer Kitzing

USPTO Granted Patents = 12

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 43(Granted Patents)

Location History:

Ilford, EN (1976 - 1977)
Ingatestone, GB (1978 - 1983)

Company Filing History:

Years Active: 1976-1983

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4386149 - Process for the production of photographic images by dye diffusion (1983-05-31),

2. 4287348 - Preparation of sulphoalkyl quaternary salts (1981-09-01),

3. 4285859 - Azo compounds useful in a photographic dye diffusion transfer process (1981-08-25),

4. 4269928 - Process for the production of photographic images by dye diffusion (1981-05-26),

5. 4233399 - Photographic elements containing amino-substituted hydroxy-pyridones (1980-11-11),

6. 4216146 - Azo(hydrazo)-anthraquinone compounds (1980-08-05),

7. 4182886 - Amino-substituted hydroxy-pyridones (1980-01-08),

8. 4120898 - Sulfur containing vinyl amide cross-linking agents (1978-10-17),

9. 4104302 - Vinylsulphone hardeners (1978-08-01),

10. 4055431 - N(.beta.-chloro-propionyl or acryloyl)carbamyl or ureido piperazines (1977-10-25),

11. 4043995 - Process for crosslinking hydrophilic colloids (1977-08-23),

12. 3977881 - Acylurea compounds (1976-08-31),

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