The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 1978
Filed:
Sep. 14, 1977
Applicant:
Inventor:
Carl T Redemann, Walnut Creek, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ;
Abstract
2,3,5-Trichloropyridine is prepared by the direct reaction of pentachloropyridine or 2,3,5,6-tetrachloropyridine with metallic zinc in the presence of a strongly alkaline aqueous solution and a water-immiscible reaction medium.