US 12,460,147 B2
Composition for refrigeration machine and composition kit for refrigeration machine
Norihiro Kimoto, Tokyo (JP); Hisayoshi Ito, Tokyo (JP); Kouichi Umemoto, Tokyo (JP); Takeru Kashiwagi, Tokyo (JP); Daisuke Shiro, Tokyo (JP); Hidekazu Takeuchi, Tokyo (JP); Hideki Matsuura, Osaka (JP); Shogo Moroe, Osaka (JP); Arisa Kawae, Osaka (JP); and Masaru Tanaka, Osaka (JP)
Assigned to DAICEL CORPORATION, Osaka (JP); and DAIKIN INDUSTRIES, LTD., Osaka (JP)
Appl. No. 18/561,350
Filed by DAICEL CORPORATION, Osaka (JP); and DAIKIN INDUSTRIES, LTD., Osaka (JP)
PCT Filed May 11, 2022, PCT No. PCT/JP2022/019979
§ 371(c)(1), (2) Date Nov. 16, 2023,
PCT Pub. No. WO2022/244665, PCT Pub. Date Nov. 24, 2022.
Claims priority of application No. 2021-082882 (JP), filed on May 17, 2021.
Prior Publication US 2024/0240101 A1, Jul. 18, 2024
Int. Cl. C10M 125/02 (2006.01); C10M 171/00 (2006.01); C10N 20/04 (2006.01); C10N 20/06 (2006.01); C10N 30/06 (2006.01); C10N 40/30 (2006.01)
CPC C10M 125/02 (2013.01) [C10M 171/008 (2013.01); C10M 2201/041 (2013.01); C10N 2020/04 (2013.01); C10N 2020/06 (2013.01); C10N 2030/06 (2013.01); C10N 2040/30 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A composition for a refrigeration machine, the composition comprising:
a refrigeration machine oil;
nanodiamond particles dispersed in the refrigeration machine oil; and
a dispersant and
a refrigerant,
wherein a proportion of the nanodiamond particles contained in the composition for a refrigeration machine is from 1 to 500 mass ppm with respect to a total amount of the refrigeration machine oil.