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:
Nov. 12, 2019
Filed:
Mar. 31, 2016
Daikin Industries, Ltd., Osaka, JP;
Takehiro Chaki, Osaka, JP;
Daisuke Karube, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
The present invention provides a composition comprising an HFO compound, the composition having excellent stability with decomposition and oxidation of the HFO compound being inhibited, the composition having improved refrigerating capacity when used as a heat transfer medium, compared with the case in which an HFO compound is used alone. More specifically, the present invention provides a composition comprising at least one HFO compound selected from the group consisting of HFO-1234yf, (E-/Z-)HFO-1234ze, and (E-/Z-)HFO-1225ye; and a chlorine-containing compound, wherein (1) the chlorine-containing compound is at least one member selected from the group consisting of CH═CHCl, CHF═CHCl, CH═CFCl, CFCl, CHCl, CFCHCl, CClF═CHCl, and CHF═CCl, and (2) the chlorine-containing compound is contained in an amount ranging from 1 to 500000 mass ppm.