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:
Oct. 08, 1985
Filed:
Sep. 23, 1982
Applicant:
Inventors:
George S Fujioka, Walnut Creek, CA (US);
Alexander P Fung, Pleasant Hill, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546345 ; 546346 ;
Abstract
Ring-fluorinated pyridine compounds are contacted with a chlorinating agent, preferably in the presence of a catalyst, under favorable conditions to yield pyridine compounds having a chlorine substituted in the ring-fluorine position(s).
Fujioka, George. (1985). Chlorine exchange for fluorine in ring-fluorinated pyridine compounds (U.S. Patent No. 4546192). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4546192
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile