Hfo-1234ze, hfo-1225zc and hfo-1234yf containing compositions and processes for producing and using the compositions
US-2024352296-A1 · Oct 24, 2024 · US
Heat transfer compositions
US9309450B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9309450-B2 |
| Application number | US-201113698814-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 20, 2011 |
| Priority date | May 20, 2010 |
| Publication date | Apr 12, 2016 |
| Grant date | Apr 12, 2016 |
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Abstract
Official abstract text for this publication.
The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from 2,3,3,3-tetrafluoropropene (R-1234yf), 3,3,3-trifluoropropene (R-1243zf), and mixtures thereof.
First claim
Opening claim text (preview).
What is claimed is: 1. A heat transfer composition consisting essentially of: (i) a first component selected from about 10 to about 95% by weight R-1234ze(E); (ii) from about 2 to about 30% by weight R-744; and (iii) from about 3 to about 60% by weight of a third component selected from R-1234yf or R-1243zf; wherein the composition has a critical temperature of 70° C. or greater. 2. A composition according to claim 1 comprising at least about 15% by w…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9309450B2 cover?
- The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from 2,3,3,3-tetrafluoropropene (R-1234yf), 3,3,3-trifluoropropene (R-1243zf), and mixtures thereof.
- Who is the assignee on this patent?
- Low Robert E, Mexichem Amanco Holding Sa
- 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 Apr 12 2016 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).