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Andrew E. Matthews
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Leeds, GB
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last 30 patents
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Patent Grant
Radiation-sensitive materials comprising a layer having core-shell...
Patent number
5,609,980
Issue date
Mar 11, 1997
DuPont (UK) Ltd.
Andrew E. Matthews
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Element containing latent image suited for aqueous wash-out develop...
Patent number
5,393,580
Issue date
Feb 28, 1995
E. I. Du Pont de Nemours and Company
Sheau-Hwa Ma
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for preparing negative-working wash-off relief images
Patent number
5,292,556
Issue date
Mar 8, 1994
E. I. Du Pont de Nemours and Company
Sheau-Hwa Ma
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for preparing high resolution wash-off images
Patent number
5,270,078
Issue date
Dec 14, 1993
E. I. Du Pont de Nemours and Company
Peter Walker
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Radiation sensitive devices
Patent number
5,162,193
Issue date
Nov 10, 1992
Du Pont-Howson Limited
David E. Murray
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY