Patent · US Expired

Composition that can be used as a refrigerant

US6511610B2 · kind B2 · utility

14Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 2001
Grant dateJan 28, 2003
Priority date
Expiry dateAug 29, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/50
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Composition consisting essentially of 55 to 94% R-125, 2.5 to 35% of R-134a and 3.5 to 25% by weight of DME, and its use as a refrigerant in a heat transfer system designed for R-22 and comprising, as lubricant, a mineral oil or an alkylbenzene oil.

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