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:
Mar. 16, 1976
Filed:
Dec. 18, 1972
Applicant:
Inventors:
Leonard Eric Houghton, Runcorn, EN;
John Hutchinson, Runcorn, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 71 94 ; 252102 ; 252117 ; 252542 ; 424263 ; 2602 / ; 2602 / ;
Abstract
Compounds having the general formula [C.sub.n F.sub.2n.sub.-1 (HF).sub.x ](C.sub.5 H.sub.4 N)O wherein n is an integer from 3 to 20 and x is 0 or 1, the group C.sub.5 H.sub.4 N is a pyridine nucleus and 0 is an oxygen atom covalently attached to a carbon atom of the nucleus.
Houghton, Leonard. (1976). Fluorocarbon derivatives of pyridine (U.S. Patent No. 3944558). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3944558
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile