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EP0632002A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Non azeotropic mixtures containing difluoromethane and 1,1,1,2-tetrafluoroethane, and their use as refrigerating fluids in air conditionning

Assignee: Arkema France SA
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Filing: 1994-06-22
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Granted: —
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Expires: 2014-06-22
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Abstract

Abstract In order to replace chlorodifluoromethane in air-conditioning systems, the invention provides for the use, as refrigerant (refrigerating fluid), of a mixture containing, by mass, 26 to 34% of difluoromethane, 56 to 73% of 1,1,1,2-tetrafluoroethane and 1 to 10% of tetrafluoromethane or octafluoropropane.

Inventors

  • 👤 Sylvie Macaudiere

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 22:00
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/041; C09K5/044; C09K5/045; C07; C07C; C07C19/00; C07C19/08; C09K2205/00; C09K2205/10; C09K2205/12; C09K2205/128; C09K2205/22; Y; Y10; Y10S; Y10S264/00; Y10S264/05

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

WO1992016596A1 Cited
EP0430171A1 Cited
EP0430169A1 Cited
WO1992016597A1 Cited
EP0509673A1 Cited

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