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David H. B. Ripin
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Old Saybrook, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Processes for the preparation of benzoimidazole derivatives
Patent number
7,183,414
Issue date
Feb 27, 2007
Pfizer Inc.
Norma J. Tom
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-Amino-piperidine derivatives and methods of manufacture
Patent number
7,084,277
Issue date
Aug 1, 2006
Pfizer Inc.
David H. B. Ripin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heterocyclo-alkylsulfonyl pyrazole derivatives
Patent number
6,846,930
Issue date
Jan 25, 2005
Pfizer Inc.
Dennis E. Bourassa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing heterocyclo-alkylsulfonyl pyrazole derivatives
Patent number
6,646,128
Issue date
Nov 11, 2003
Pfizer Inc.
Dennis E. Bourassa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of dialkylpyridylboranes
Patent number
6,570,017
Issue date
May 27, 2003
Pfizer Inc.
David Harold Brown Ripin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of carbamate ketolide antibiotics
Patent number
6,403,776
Issue date
Jun 11, 2002
Pfizer Inc.
David H. B. Ripin
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Processes for the Preparation of Benzoimidazole Derivatives
Publication number
20070088032
Publication date
Apr 19, 2007
Norma J. Tom
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of 1,5-naphthyridine-3-carboxyamides by...
Publication number
20050038065
Publication date
Feb 17, 2005
Pfizer Inc.
Gregory L. Karrick
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Processes for the preparation of substituted bicyclic derivatives
Publication number
20050026940
Publication date
Feb 3, 2005
Pfizer Inc.
David H. B. Ripin
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Processes for the preparation of benzoimidazole derivatives
Publication number
20050020625
Publication date
Jan 27, 2005
Pfizer Inc.
Norma J. Tom
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation and purification of 1,5-naphthyridine-3...
Publication number
20050004364
Publication date
Jan 6, 2005
Pfizer Inc.
Michael J. Castaldi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Crystal forms of 2-(3-difluoromethyl-5-phenyl-pyrazol-1-yl)-5-metha...
Publication number
20040266832
Publication date
Dec 30, 2004
Zheng J. Li
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
3-Amino-piperadine derivatives and methods of manufacture
Publication number
20040102627
Publication date
May 27, 2004
Pfizer Inc.
David H.B. Ripin
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel processes and intermediates for preparing triazolo-pyridines
Publication number
20040053959
Publication date
Mar 18, 2004
Pfizer Inc.
Richard A. Buzon
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing heterocyclo-alkylsulfonyl pyrazole derivatives
Publication number
20040044042
Publication date
Mar 4, 2004
Pfizer Inc.
Dennis E. Bourassa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing heterocyclo-alkysulfonyl pyrazole derivatives
Publication number
20030100765
Publication date
May 29, 2003
Pfizer Inc.
Dennis E. Bourassa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PREPARATION OF DIALKYLPYRIDYLBORANES
Publication number
20030083312
Publication date
May 1, 2003
Pfizer Inc.
David Harold Brown Ripin
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oxidation of carbon-boron bonds
Publication number
20030032806
Publication date
Feb 13, 2003
Weiling Cai
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oxidation of carbon-boron bonds
Publication number
20020049352
Publication date
Apr 25, 2002
Weiling Cai
C07 - ORGANIC CHEMISTRY