Composition comprising HFC and HFO

US9745497B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9745497-B2
Application numberUS-201715401390-A
CountryUS
Kind codeB2
Filing dateJan 9, 2017
Priority dateSep 25, 2014
Publication dateAug 29, 2017
Grant dateAug 29, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present invention provides a composition comprising a mixture of HFC and HFO and having improved lubrication performance. Specifically, the present invention provides a composition comprising HFC and HFO, wherein the composition comprises 1) at least one of HFC-134a and HFC-134 as the HFC, 2) at least one of HFO-1234yf and HFO-1234ze as the HFO, and 3) at least one member selected from the group consisting of HCFC-1122, HCFC-124, CFC-1113, and 3,3,3-trifluoropropyne as a third component.

First claim

Opening claim text (preview).

The invention claimed is: 1. A composition comprising HFC and HFO, wherein the composition comprises: 1) HFC-32, HFC-125, and HFC-134a as the HFC; 2) at least one of HFO-1234yf and HFO-1234ze as the HFO; and 3) at least one member selected from the group consisting of HCC-40, CFC-115, HCFC-1122, CFC-1113, and 3,3,3-trifluoropropyne as a third component, wherein a total amount of the HFC and the HFO is 95 mass % or more when a total amount of the HFC, the HFO, and the third component is 100 mass %. 2. The composition according to claim 1 , which is a refrigerant composition. 3. The composition according to claim 1 , wherein the composition further comprises a refrigerant oil in an amount of 10 to 50 mass % in the composition. 4. The composition according to claim 1 , wherein HCC-40 is contained in an amount of 1 mass % or less when a total amount of the HFC, the HFO, and the third component is 100 mass %.

Assignees

Inventors

Classifications

  • Solvents · CPC title

  • Materials not provided for elsewhere · CPC title

  • the change of state being from liquid to vapour or vice versa · CPC title

  • All components of a mixture being fluoro compounds · CPC title

  • Unsaturated fluorinated hydrocarbons · CPC title

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What does patent US9745497B2 cover?
The present invention provides a composition comprising a mixture of HFC and HFO and having improved lubrication performance. Specifically, the present invention provides a composition comprising HFC and HFO, wherein the composition comprises 1) at least one of HFC-134a and HFC-134 as the HFC, 2) at least one of HFO-1234yf and HFO-1234ze as the HFO, and 3) at least one member selected from the …
Who is the assignee on this patent?
Daikin Ind Ltd
What technology area does this patent fall under?
Primary CPC classification C09K5/044. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 29 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).