Refrigerant oil for freezers and operating fluid composition for freezers

US9090806B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9090806-B2
Application numberUS-201013392317-A
CountryUS
Kind codeB2
Filing dateAug 16, 2010
Priority dateAug 28, 2009
Publication dateJul 28, 2015
Grant dateJul 28, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and an unsaturated fluorinated hydrocarbon refrigerant. The refrigerating machine oil of the invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, and at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and it is to be used together with an unsaturated fluorinated hydrocarbon refrigerant.

First claim

Opening claim text (preview).

The invention claimed is: 1. A working fluid composition for a refrigerating machine comprising a refrigerating machine oil and an unsaturated fluorinated hydrocarbon refrigerant, wherein the refrigerating machine oil comprises: a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester in an amount of 100 ppm by mass or greater based on the total amount of the refrigerating machine oil, and at least one compound selected from the group con…

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What does patent US9090806B2 cover?
The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and an unsaturated fluorinated hydrocarbon refrigerant. The refrigerati…
Who is the assignee on this patent?
Takigawa Katsuya, Shimomura Yuji, Saito Masanori, and 3 more
What technology area does this patent fall under?
Primary CPC classification C10M169/04. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jul 28 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).