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John Roberts
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Cheshire, GB
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Patents Grants
last 30 patents
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Patent Grant
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Patent number
7,585,391
Issue date
Sep 8, 2009
Ciba Specialty Chemicals Corporation
Kenneth Sundberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Rosin emulsion
Patent number
6,369,119
Issue date
Apr 9, 2002
Rasio Chemcials UK Ltd
John C. Roberts
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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last 30 patents
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Patent Application
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Publication number
20050224202
Publication date
Oct 13, 2005
Kenneth Sundberg
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE