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Roger L. Briggs
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Midland, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Carbonation of alkali metal phenates
Patent number
4,171,453
Issue date
Oct 16, 1979
The Dow Chemical Company
Eugene R. Moore
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for making pure salicylic acid
Patent number
4,137,258
Issue date
Jan 30, 1979
The Dow Chemical Company
Eugene R. Moore
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Novel process for the preparation of form 1 ranitidine hydrochloride
Publication number
20040267030
Publication date
Dec 30, 2004
Aventis Pharmaceuticals Inc.
Wen J. Cheng
C07 - ORGANIC CHEMISTRY
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Patent Application
Novel process for the preparation of form 1 ranitidine hydrochloride
Publication number
20020151729
Publication date
Oct 17, 2002
Wen J. Cheng
C07 - ORGANIC CHEMISTRY