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EP0030127A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Absorption refrigerant compositions for use in absorption refrigeration systems

Assignee: Daikin Industries Ltd
•
Filing: 1980-11-27
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Granted: —
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Expires: 2000-11-27
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Abstract

Abstract An absorption refrigerant composition for use in absorption refrigeration systems comprising 1,1,1,2-tetrafluoroethane and an organic solvent capable of dissolving the ethane.

Inventors

  • 👤 Naonori Enjo
  • 👤 Hideki Aomi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 04:15
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/047

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 15 words
An absorption refrigerant composition comprising 1,1,1,2-tetrafluoroethane and an organic solvent capable of dissolving the ethane.
Claim 2
Dependent Claim 15 words
An absorption refrigerant composition comprising 1,1,1,2-tetrafluoroethane and an organic solvent capable of dissolving the ethane.
Claim 3
Dependent Claim 40 words
An absorption refrigerant composition as defined in claim 1 wherein the organic solvent is capable of dissolving at least 35 wt.% of 1,1,1,2-tetrafluoroethane under the conditions of the temperature of 35°C and the pressure of 2.9 kg/c m 2 .
Claim 4
Dependent Claim 21 words
An absorption refrigerant composition as defined in claim 1 wherein the organic solvent has a boiling point of at least 100°C.
Claim 5
Dependent Claim 27 words
An absorption refrigerant composition as defined in claim 1 wherein the organic solvent is at least one of tetraethylene glycol dimethyl ether, dimethylformamide and methyl ethyl ketone.

References Cited (Backward Citations)

FR850297A Cited
US3085065A Cited
US3607755A Cited

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