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USPTO Data Jan 1 1976 - Sep 22 2026
2 Patents
#23 in Derby
#6,507 in United Kingdom
Devan-Ppt Chemicals Limited
Forward Citations = 3
5 inventors:
Devan-Ppt Chemicals Limited
% Expired Patents = 100.0
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:
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]