Patent · US Active

Refrigerant composition

US9752069B2 · kind B2 · utility

10Cited by
23References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 30, 2013
Grant dateSep 5, 2017
Priority date—
Expiry dateOct 30, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2205/40
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Refrigerant fluids that can be used in different types of compression systems. A composition including between 36 and 39 wt. % of difluromethane (HFC-32), between 28 and 32 wt. % of pentafluoroethane (HFC-125), and between 31 and 35 wt. % of tetrafluoroethane (HFC-134a). The composition may be used as a replacement for R-404A.

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