Hfo-1234ze, hfo-1225zc and hfo-1234yf containing compositions and processes for producing and using the compositions
US-2024352296-A1 · Oct 24, 2024 · US
Compositions comprising Z-1,2-difluoroethylene and uses thereof
US8961812B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8961812-B2 |
| Application number | US-201113086914-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 14, 2011 |
| Priority date | Apr 15, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises Z-1,2-difluoroethylene (Z-HFO-1132a). The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and power cycle working fluids.
First claim
Opening claim text (preview).
What is claimed is: 1. A composition comprising Z-1,2-difluoroethylene and E-1,3,3,3-tetrafluoropropene. 2. The composition of claim 1 comprising about 1 weight percent to about 99 weight percent Z-1,2-difluoroethylene and about 99 weight percent to about 1 weight percent Z-1,3,3,3-tetrafluoropropene. 3. The composition of claim 1 comprising about 90.5 weight percent Z-1,2-difluoroethylene and about 9.5 weight percent E-1,3,3,3-tetrafluor…
Assignees
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Classifications
Chemistry & Metallurgy · mapped topic
- C09K5/045Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8961812B2 cover?
- The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises Z-1,2-difluoroethylene (Z-HFO-1132a). The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and power cycle working fluids.
- Who is the assignee on this patent?
- Minor Barbara Haviland, Waterland Robert L, Du Pont
- 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 Feb 24 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).