Greenblum & Bernstein, P.L.C.
Refrigerant oil for freezers and operating fluid composition for freezers
The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and an unsaturated fluorinated hydrocarbon refrigerant. The refrigerating machine oil of the invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, and at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and it is to be used together with an unsaturated fluorinated hydrocarbon refrigerant.
JX NIPPON OIL & ENERGY CORPORATION
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Takeshi Masanori Katsuya Ken Yuji
Okido Saito Takigawa Sawada Shimomura