Low GWP heat transfer compositions

US8940180B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8940180-B2
Application numberUS-201313796460-A
CountryUS
Kind codeB2
Filing dateMar 12, 2013
Priority dateNov 21, 2012
Publication dateJan 27, 2015
Grant dateJan 27, 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

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The present invention relates, in part, to heat transfer and refrigerant compositions and methods that include HFC-32; HFO-1234ze and HFC-125.

First claim

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What is claimed is: 1. A heat transfer composition comprising: (a) from about 60% to about 70% by weight of HFC-32; (b) from about 20% to about 40% by weight of HFO-1234ze; and (c) from greater than about 0% to about 10% by weight of HFC-125, provided that the amount of component (c) is effective to improve one or more of glide of the composition; heating capacity of the composition, burning velocity of the composition; and/or hazard value of the composition.…

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What does patent US8940180B2 cover?
The present invention relates, in part, to heat transfer and refrigerant compositions and methods that include HFC-32; HFO-1234ze and HFC-125.
Who is the assignee on this patent?
Honeywell Int Inc
What technology area does this patent fall under?
Primary CPC classification C09K5/045. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jan 27 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).