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Lin-Hua Zhang
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New Fairfield, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Intermediates useful for synthesis of heteroaryl-substituted urea c...
Patent number
6,894,173
Issue date
May 17, 2005
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for synthesis of heteroaryl-substituted urea compounds usef...
Patent number
6,835,832
Issue date
Dec 28, 2004
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for synthesis of heteroaryl-substituted urea compounds usef...
Patent number
6,774,233
Issue date
Aug 10, 2004
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymorph and process for preparing same
Patent number
6,753,426
Issue date
Jun 22, 2004
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for synthesis of heteroaryl-substituted urea compounds usef...
Patent number
6,583,282
Issue date
Jun 24, 2003
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of treating cytokine mediated diseases or conditions
Patent number
6,333,325
Issue date
Dec 25, 2001
Boehringer Ingelheim Pharmaceuticals, Inc.
Pier F. Cirillo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic heterocyclic compound as antiinflammatory agents
Patent number
6,319,921
Issue date
Nov 20, 2001
Boerhinger Ingelheim Pharmaceuticals, Inc.
Pier F. Cirillo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystalline roxifiban
Patent number
6,306,886
Issue date
Oct 23, 2001
DuPont Pharmaceuticals Company
Michael Blaise Maurin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polycyclo heterocyclic derivatives as antiinflammatory agents
Patent number
6,242,453
Issue date
Jun 5, 2001
Boehringer Ingelheim Pharmaceuticals, Inc.
Pier F. Cirillo
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dynamic resolution of isoxazoline thioesters to isoxazoline carboxy...
Patent number
6,022,977
Issue date
Feb 8, 2000
DuPont Pharmaceuticals Company
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for synthesis of heteroaryl-substituted urea compounds usef...
Publication number
20030181718
Publication date
Sep 25, 2003
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for synthesis of heteroaryl-substituted urea compounds usef...
Publication number
20030166930
Publication date
Sep 4, 2003
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for synthesis of heteroaryl-substituted urea compounds usef...
Publication number
20030166931
Publication date
Sep 4, 2003
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymorph and process for preparing same
Publication number
20030109703
Publication date
Jun 12, 2003
Boehringer Ingelheim Pharmaceuticals, Inc.
Lin-Hua Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Aromatic heterocyclic compounds as antiinflammatory agents
Publication number
20020058678
Publication date
May 16, 2002
Pier F. Cirillo
C07 - ORGANIC CHEMISTRY