IP Library › Granted Patent US 11,091,679
Granted Patent B2
US 11,091,679 · App. 16/632,950 · Granted Aug 17, 2021

Refrigerant composition

Inventors: Yuuki Yotsumoto (Osaka, JP); Ikumi Tomotsuka (Osaka, JP); Akihito Mizuno (Osaka, JP); Yuzo Komatsu (Osaka, JP)
Assignee: DAIKIN INDUSTRIES, LTD.
C09K5/045F25B1/00C09K2205/112C09K2205/126C09K2205/128C09K2205/22
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Quick Facts
Patent No.
US 11,091,679
App. No.
16/632,950
Granted
Aug 17, 2021
Kind
B2
Abstract

Provided is a refrigerant composition that has a low GWP; is non-flammable or mildly flammable; and has a refrigerating capacity (Cap) and/or coefficient of performance (COP) equivalent to or higher than those of traditional refrigerants, such as R-134a, R-410A, R-123, or R-404A, when used as an alternative refrigerant for these traditional refrigerants. Specifically, provided is a refrigerant composition containing FO-1216 and a hydrofluoroolefin, wherein the hydrofluoroolefin is at least one member of HFO-1234ze and HFO-1243zf.

Claims (2)

1. A refrigerant composition comprising FO-1216, HFO-1234yf, and HFO-1132(E).

2. The refrigerant composition according to claim 1 , wherein the HFO-1234yf is present in an amount of 50 mol % or more.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 22, 2020
From: YOTSUMOTO, YUUKI; TOMOTSUKA, IKUMI; MIZUNO, AKIHITO; KOMATSU, YUZO
To: DAIKIN INDUSTRIES, LTD.
Reel/Frame 051586/0581 →
Priority Claims (2)
JP JP2017-142741 · Jul 24, 2017 · national
JP JP2018-077888 · Apr 13, 2018 · national
Continuity (1)
Related Publication 20200148929A1 · May 14, 2020