Hfo-1234ze, hfo-1225zc and hfo-1234yf containing compositions and processes for producing and using the compositions
US-2024352296-A1 · Oct 24, 2024 · US
Low GWP heat transfer compositions containing difluoromethane and 1,3,3,3-tetrafluoropropene
US9845419B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9845419-B2 |
| Application number | US-201213530484-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 22, 2012 |
| Priority date | Jul 29, 2009 |
| Publication date | Dec 19, 2017 |
| Grant date | Dec 19, 2017 |
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- Title
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Abstract
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Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze.
First claim
Opening claim text (preview).
What is claimed is: 1. A mobile air conditioning system comprising: at least one compressor, at least one condenser, at least one evaporator and a heat transfer composition comprising a refrigerant comprising: (a) from about 74% to about 90% by weight of transHFO-1234ze and (b) from about 10% to about 26% by weight of HFC-32. 2. The mobile air conditioning system of claim 1 wherein said composition has a GWP of not greater than 150. 3. The mobile air conditioning system of claim 2 wherein said composition is non-flammable. 4. The mobile air conditioning system of claim 1 wherein said composition is non-flammable.
Assignees
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Classifications
- C09K5/045Primary
containing only fluorine as halogen · CPC title
Unsaturated fluorinated hydrocarbons · CPC title
All components of a mixture being fluoro compounds · CPC title
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- What does patent US9845419B2 cover?
- Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze.
- Who is the assignee on this patent?
- Yana Motta Samuel F, Spatz Mark W, Seeton Christopher J, and 2 more
- 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 Dec 19 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).