EP 0946668 A1 19991006 - PROPANE BASED REFRIGERANT MIXTURE
Title (en)
PROPANE BASED REFRIGERANT MIXTURE
Title (de)
AUFPROPAN BASIERENDE KÄLTEMISCHUNG
Title (fr)
MELANGE FRIGORIGENE A BASE DE PROPANE
Publication
Application
Priority
- FR 9701595 W 19970910
- FR 9611410 A 19960917
Abstract (en)
[origin: FR2753452A1] This propane based refrigerant mixture designed for replacing difluorohydrochloromethane (R22) is an azeotropic or quasi-azeotropic two-component mix of propane and a second constituent selected among 1,1,1,2-tetrafluoroethane (R134a) or R22. It contains wt.35 % to 58 % of propane and 65 % to 42 % of R134a, or it contains about 35 wt.% of propane and 65 % of R22.
IPC 1-7
IPC 8 full level
C09K 5/04 (2006.01)
CPC (source: EP)
C09K 5/045 (2013.01); C09K 2205/12 (2013.01); C09K 2205/43 (2013.01)
Citation (search report)
See references of WO 9812277A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
FR 2753452 A1 19980320; FR 2753452 B1 19981204; AU 4212997 A 19980414; EP 0946668 A1 19991006; WO 9812277 A1 19980326
DOCDB simple family (application)
FR 9611410 A 19960917; AU 4212997 A 19970910; EP 97940210 A 19970910; FR 9701595 W 19970910