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Charles D. Gregor
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New York, NY, US
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last 30 patents
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Homopolymers and copolymers of acrylamide N-substituted acrylamide...
Patent number
5,280,078
Issue date
Jan 18, 1994
Harry P. Gregor
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Solid state cross-linked polymer
Patent number
4,596,858
Issue date
Jun 24, 1986
Harry P. Gregor
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE