Title:
REFRIGERANT
Document Type and Number:
Japanese Patent JPH0436378
Kind Code:
A
Abstract:
PURPOSE: To obtain a refrigerant which scarcely affects the ozonosphere by mixing 1,1,2,2-tetrafluoroethane, 1,1,2-trifluoroethane, and 1-chloro-1,1- difluoroethane.
CONSTITUTION: At least 75mol of 1,1,2,2-tetrafluoroethane (A) is mixed with 1,1,2-trifluoroethane (B) and 1-20mol of 1-chloro-1,1difluoroethane (C) so as to provide a molar ratio of component A to the total of components B and C of (99 to 4) : (1 to 96) to give a refrigerant comprising 100mol of this mixture.
Inventors:
OSHIMA SUSUMU
NOGUCHI MASAHIRO
NOGUCHI MASAHIRO
Application Number:
JP14413990A
Publication Date:
February 06, 1992
Filing Date:
May 31, 1990
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
C09K5/04; (IPC1-7): C09K5/04
Attorney, Agent or Firm:
Eiji Saegusa (2 others)
Next Patent: MANUFACTURE OF PHOTOSENSITIVE MICROCAPSULE