Patent · US Expired

Refrigerants

US4957652A · kind A · utility

19Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 18, 1988
Grant dateSep 18, 1990
Priority date
Expiry dateOct 18, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2205/41
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A refrigerant comprising (1) dichlorotrifluoroethane and (2) at least one compound selected from the group consisting of chlorotetrafluoroethane, pentafluoroethane, tetrafluoroethane, 1-chloro-1,1-difluoroethane, 1,1,1-trifluoroethane and 1,1-difluoroethane.

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