EP0564653A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Fluoroalkane mixture
Assignee: Daikin Industries Ltd
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Filing: 1992-09-25
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Granted: —
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Expires: 2012-09-25
Abstract
Abstract A mixture of difluoromethane with octafluoropropane, and a refrigerator using a refrigerant comprising said mixture.
Inventors
- 👤 Yukio Yodogawa Seisakusho Daikinkogyo Omure
- 👤 Masahiro Yodogawa Seisakusho Daikinkogyo Noguchi
- 👤 Katsuki Yodogawa Seisakusho Daikinkogyo Fujiwara
- 👤 Hiroshi Yodogawa Seisakusho Daikinkogyo Momota
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/041; C09K5/044; C09K5/045; C09K2205/00; C09K2205/10; C09K2205/12; C09K2205/128; C09K2205/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
6 words
A composition comprising difluoromethane and octafluoropropane.
Claim 2
Dependent Claim
24 words
The composition of claim 1 comprising a mixture of 5 to 95 mole % of difluoromethane and 95 to 5 mole % of octafluoropropane.
Claim 3
Dependent Claim
24 words
The composition of claim 2 comprising a mixture of 5 to 78.5 mole % of difluoromethane and 95 to 21.5 mole % of octafluoropropane.
Claim 4
Dependent Claim
25 words
The azeotrope-like composition of claim 3 comprising a mixture of 70 to 73 mole % of difluoromethane and 30 to 27 mole % of octafluoropropane.
Claim 5
Dependent Claim
13 words
A refrigerating machine using a composition comprising difluoromethane and octafluoropropane as the refrigerant.
Claim 6
Dependent Claim
29 words
The refrigerating machine of claim 5 employing a refrigerant composition comprising a mixture of 5 to 95 mole % of difluoromethane and 95 to 5 mole % of octafluoropropane.
Claim 7
Dependent Claim
28 words
The refrigerating machine of claim 6 employing a composition comprising a mixture of 5 to 78.5 mole % of difluoromethane and 95 to 21.5 mole % of octafluoropropane.
Claim 8
Dependent Claim
29 words
The refrigerating machine of claim 7 employing an azeotrope-like composition comprising a mixture of 70 to 73 mole % of difluoromethane and 30 to 27 mole % of octafluoropropane.
References Cited (Backward Citations)
No citation records indexed.
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