Paul A. Styan

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Leeds, GB

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Patents Grantslast 30 patents

Information Patent Grant
Developer solution comprising ethyl hexyl sulphate, a surfactant, a...
- Patent number 5,278,030
- Issue date Jan 11, 1994
- Du Pont-Howson Limited
- Michael Ingham
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Processing radiation sensitive members with aqueous ethyl hexyl sul...
- Patent number 5,180,654
- Issue date Jan 19, 1993
- E. I. Du Pont de Nemours and Company
- Stephen D. Rigby
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS