Patent · US Active

Refrigerator oil and working fluid composition for refrigerating machine

US8318040B2 · kind B2 · utility

2Cited by
23References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 2008
Grant dateNov 27, 2012
Priority date
Expiry dateDec 5, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/30
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The refrigerating machine oil of the invention is characterized by comprising an ester of a polyhydric alcohol and fatty acids with a content of a C10-C13 branched fatty acid of 50% by mole or greater. The working fluid composition for a refrigerating machine of the invention is characterized in that the working fluid composition comprises an ester of a polyhydric alcohol and fatty acids with a content of a C10-C13 branched fatty acid of 50% by mole or greater, and a refrigerant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.