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John M. Weis
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Naperville, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Synthesis and use of dimethyl 1,5-naphthalenedicarboxlyates and int...
Patent number
6,495,710
Issue date
Dec 17, 2002
BP Corporation North America Inc.
John A. Macek
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crystallization of 2,6-dimethylnaphthalene
Patent number
5,977,426
Issue date
Nov 2, 1999
BP Amoco Corporation
Thomas G. Smith
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystallizaiton of 2,6-dimethylnaphthalene
Patent number
5,510,563
Issue date
Apr 23, 1996
Amoco Corporation
Thomas G. Smith
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-acyl-6-methylnaphthalene preparation
Patent number
5,138,098
Issue date
Aug 11, 1992
Amoco Corporation
Gary P. Hagen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of 2-acyl-6-methylnaphthalenes
Patent number
5,026,917
Issue date
Jun 25, 1991
Amoco Corporation
Gary P. Hagen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Separation of 3,3'4,4'- and 2,3,3',4'-tetramethyldiphenyl ether
Patent number
4,937,389
Issue date
Jun 26, 1990
Amoco Corporation
Thomas G. Smith
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Synthesis and use of dimethyl 1,5-naphthalenedicarboxylates and int...
Publication number
20010031852
Publication date
Oct 18, 2001
John A. Macek
C07 - ORGANIC CHEMISTRY