Patent · US Expired

Refrigeration compositions and process for using

US5037570A · kind A · utility

11Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1990
Grant dateAug 6, 1991
Priority date
Expiry dateMay 3, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2205/24
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A blend of a tetrafluoroethane or pentafluoroethane refrigerant with a di-functional random polyalkylene glycol based on significant amounts of ethylene oxide and propylene oxide and having an SUS viscosity at 100.degree. F. of 100 to 1200 is disclosed for use in compression refrigeration.

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