For the Inventor, By the Inventor

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Derby, United Kingdom

Devan-ppt Chemicals Limited

USPTO Granted Patents = 2

Forward Citations = 3

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5 inventors (with patents filed for the assignee):

John Ellis (2 out of 4 patents)

David Paul Bishop (1 out of 4 patents)

Joao Marques Cortez (1 out of 1 patent)

4. Susan Bamford (1 out of 3 patents)

5. Claire Louise Balcomb (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7794507 - Textile treatment (2010-09-14),

2. 7186273 - Treatment of textiles with fluorinated polyethers (2007-03-06),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#22 in Derby

#6,372 in United Kingdom

Derby, United Kingdom

Devan-ppt Chemicals Limited

Forward Citations = 3

5 inventors:

John Ellis (2 out of 4 patents)

David Paul Bishop (1 out of 4 patents)

Joao Marques Cortez (1 out of 1 patent)

4. Susan Bamford (1 out of 3 patents)

5. Claire Louise Balcomb (1 out of 1 patent)

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