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John D. Karkas
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New York, NY, US
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last 30 patents
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Patent Grant
Prodrugs of herpes TK inhibitors
Patent number
5,663,175
Issue date
Sep 2, 1997
Merck & Co. Inc.
Richard L. Tolman
C07 - ORGANIC CHEMISTRY
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Patent Grant
Anti-viral guanine compounds
Patent number
4,816,447
Issue date
Mar 28, 1989
Merck & Co., Inc.
Wallace T. Ashton
C07 - ORGANIC CHEMISTRY
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Patent Grant
9-(2-hydroxymethyl)cycloalkylmethyl) guanines
Patent number
4,782,062
Issue date
Nov 1, 1988
Merck & Co., Inc.
Richard L. Tolman
C07 - ORGANIC CHEMISTRY