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Richard E. Crooks
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Bay City, MI, US
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last 30 patents
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Patent Grant
Preparation of symmetrical tetrachloropyridine
Patent number
4,322,538
Issue date
Mar 30, 1982
The Dow Chemical Company
Gail E. Vrieland
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for preparing 4-bromotetrachloropyridine
Patent number
4,321,389
Issue date
Mar 23, 1982
The Dow Chemical Company
G. Edwin Vrieland
C07 - ORGANIC CHEMISTRY