	US 12,480,029 B2
	Composition containing refrigerant, use of same, refrigerator having same, and method for operating said refrigerator
Mitsushi Itano, Osaka (JP); Shun Ohkubo, Osaka (JP); Daisuke Karube, Osaka (JP); and Satoshi Tokuno, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed on Dec. 22, 2021, as Appl. No. 17/559,062.
Application 17/559,062 is a continuation of application No. PCT/JP2020/024166, filed on Jun. 19, 2020.
Claims priority of application No. 2019-118913 (JP), filed on Jun. 26, 2019.
Prior Publication US 2022/0112418 A1, Apr. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 5/04 (2006.01)

CPC C09K 5/045 (2013.01) [C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01); C09K 2205/40 (2013.01)]

6 Claims

1. A composition comprising a refrigerant, the refrigerant comprising 1,1-difluoroethylene (HFO-1132a), trans-1,2-difluoroethylene (HFO-1132(E)), and difluoromethane (R32) in a total amount of 99.5 mass % or more based on the entire refrigerant, wherein HFO-1132a and HFO-1132(E) are present in a total amount of 26 to 40 mass % based on the total of HFO-1132a, HFO-1132(E), and R32, and R32 is present in an amount of 60 to 74 mass % based on the total of HFO-1132a, HFO-1132(E), and R32, and wherein HFO-1132a is present in an amount of 3 mass % or more based on the total of HFO-1132a, HFO-1132(E) and R32.