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Susan R. Sherk
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Wilmington, DE, US
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Patents Grants
last 30 patents
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Patent Grant
6-substituted pyrazolo[3,4-d]pyrimidin-4-ones usefu...
Patent number
6,559,152
Issue date
May 6, 2003
DuPont Pharmaceuticals Company
Jay A. Markwalder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6-substituted pyrazolo [3,4-d] pyrimidin-4-ones use...
Patent number
6,531,477
Issue date
Mar 11, 2003
DuPont Pharmaceuticals Company
Jay A. Markwalder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-carbocyclic and 2-heterocyclic quinoline-4-carboxylic acids and s...
Patent number
5,578,609
Issue date
Nov 26, 1996
The Dupont Merck Pharmaceutical Company
Douglas G. Batt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-carbocyclic and 2-heterocyclic quinoline-4-carboxylic acids and s...
Patent number
5,523,408
Issue date
Jun 4, 1996
The Dupont Merck Pharmaceutical Company
Douglas G. Batt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 2,5-diaryl-4-isothiazolin-3-ones as antiinflammatory an...
Patent number
5,411,977
Issue date
May 2, 1995
The Dupont Merck Pharmaceutical Company
Joseph J. Petraitis
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
6-Substituted pyrazolo [3,4-d] pyrimidin-4-ones useful as cyclin de...
Publication number
20040248905
Publication date
Dec 9, 2004
Jay A Markwalder
C07 - ORGANIC CHEMISTRY
Information
Patent Application
6-Substituted pyrazolo[3,4-d] pyrimidin-4-ones useful as cyclin dep...
Publication number
20020013328
Publication date
Jan 31, 2002
Jay A. Markwalder
C07 - ORGANIC CHEMISTRY