Azeotropic or quasi-azeotropic composition of chloromethane
US-2015353799-A1 · Dec 10, 2015 · US
Composition comprising HF and 2,3,3,3-tetrafluoropropene
US10252913B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10252913-B2 |
| Application number | US-201414772950-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 21, 2014 |
| Priority date | Mar 20, 2013 |
| Publication date | Apr 9, 2019 |
| Grant date | Apr 9, 2019 |
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Abstract
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An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 2,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also a azeotropic or quasi-azeotropic composition including hydrogen fluoride, 2,3,3,3-tetrafluoropropene, and one or more organic compounds selected from among 1,1,1,2,2-pentafluoropropane, E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, Z-1,1,1,2,3-pentafluoropropene and 2-chloro,1,1,1,2-tetrafluoropropane.
First claim
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The invention claimed is: 1. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene, and one or more organic compounds selected from the group consisting of E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,3,3-pentafluoropropane, 2-chloro,1,1,1,2-tetrafluoropropane, trifluoropropyne, Z-1,1,1,2,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropene, in which the boiling point of said composition is between −20° C. and 80° C., and at a pressure of between 0.1 and 44 bar absolute. 2. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene and one or more organic compounds chosen from E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,3,3-pentafluoropropane, 2-chloro,1,1,1,2-tetrafluoropropane, trifluoropropyne, Z-1,1,1,2,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropene. 3. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene, and one or more organic compounds chosen from E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene and E-3,3,3-trifluoro-1-chloropropene. 4. The composition as claimed in claim 1 , wherein the composition is heteroazeotropic or quasi-heteroazeotropic. 5. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane and at least one compound chosen from E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,3,3-pentafluoropropane, 2-chloro,1,1,1,2-tetrafluoropropane, trifluoropropyne, Z-1,1,1,2,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropene. 6. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene and optionally at least one compound chosen from Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,3,3-pentafluoropropane, 2-chloro,1,1,1,2-tetrafluoropropane, trifluoropropyne, Z-1,1,1,2,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropene. 7. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene and optionally at least one compound chosen from 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, 1,1,1,3,3-pentafluoropropane and E-3,3,3-trifluoro-1-chloropropene. 8. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene and optionally at least one compound chosen from 3,3,3-trifluoro-2-chloropropene and E-3,3,3-trifluoro-1-chloropropene. 9. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoro-2-chloropropene and optionally E-3,3,3-trifluoro-1-chloropropene. 10. The composition as claimed in claim 1 , wherein the composition comprises hydrogen fluoride, 2,3,3,3-tetrafluoropropene and E-3,3,3-trifluoro-1-chloropropene. 11. The composition as claimed in claim 1 , wherein, in which the composition comprises from 1% to 85% by weight of hydrogen fluoride and from 99% to 15% by weight of the sum of the organic compounds. 12. The composition as claimed in claim 1 , wherein, in which the composition comprises from 5% to 80% by weight of hydrogen fluoride and from 95% to 20% by weight of the sum of the organic compounds. 13. The composition as claimed in claim 1 , wherein, in which the boiling point of said composition is between 0° C. and 40° C. and at a pressure of between 0.7 and 18 bar absolute. 14. The composition as claimed in claim 1 , wherein, in which the boiling point of said composition is between 0° C. and 40° C. and at a pressure of between 0.9 and 12.5 bar absolute. 15. The composition as claimed in claim 1 , comprising two or more organic compounds selected from the group consisting of E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,3,3-pentafluoropropane, 2-chloro,1,1,1,2-tetrafluoropropane, trifluoropropyne, Z-1,1,1,2,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropene. 16. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene and three or more organic compounds selected from the group consisting of 1,1,1,2,2-pentafluoropropane, E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,3,3-pentafluoropropane, 2-chloro,1,1,1,2-tetrafluoropropane, trifluoropropyne, Z-1,1,1,2,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropene.
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- What does patent US10252913B2 cover?
- An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 2,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also a azeotropic or quasi-azeotropic composition including hydrogen fluoride, 2,3,3,3-tetrafluoropropene, and one or more organic compounds selected from among 1,1,1,2,2-pentafluoropropane, E-1,3,3,3-tetraf…
- Who is the assignee on this patent?
- Arkema France
- What technology area does this patent fall under?
- Primary CPC classification C01B7/191. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 09 2019 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 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).