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:
May. 11, 2021
Filed:
Feb. 02, 2018
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Yuusuke Etou, Osaka, JP;
Atsushi Maruo, Osaka, JP;
Katsuya Nakai, Osaka, JP;
Kazuhiro Takahashi, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/25 (2006.01); C07C 21/19 (2006.01); C08F 36/16 (2006.01);
U.S. Cl.
CPC ...
C07C 17/25 (2013.01); C07C 21/19 (2013.01); C08F 36/16 (2013.01);
Abstract
According to a method for producing a perfluoroalkadiene compound represented by general formula (1): CF═CF—(CF)—CF═CF(1), wherein n is an integer of 4 or more, the method comprising a reaction step of adding a nitrogen-containing compound to a solution of a compound represented by general formula (2): XCF—CFX—(CF)—CFX(2), wherein n is the same as above, Xis the same or different and is a halogen atom other than fluorine, and Xis a halogen atom, the perfluoroalkadiene compound can be obtained at a high yield.