Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene

Patent metadata

Field	Value
Publication number	US-11512239-B2
Application number	US-202217697979-A
Country	US
Kind code	B2
Filing date	Mar 18, 2022
Priority date	May 7, 2008
Publication date	Nov 29, 2022
Grant date	Nov 29, 2022

Abstract

Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one additional compound. For the composition comprising 1234yf, the additional compound is selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF═CHCl, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca. Compositions comprising HCFC-243db, HCFO-1233xf, and/or HCFC-244db are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.

First claim

What is claimed is:

1. A composition comprising HFO-1234yf, HFO-1234ze, HFO-1243zf and at least one additional compound selected from the group consisting of HCFO-1233xf, HCFC-244bb, HCFC-253fb and HCFC-1131.

2. The composition of claim 1 containing less than about 1 weight percent of the at least one additional compound.

3. The composition of claim 1 wherein said additional compound comprises one of HCFC-253fb.

4. The composition of claim 1 wherein said additional compound comprises HCFC-1131 and HCFC-253fb.

5. The composition of claim 1 wherein said additional compound further comprises HFC-143a.

6. The composition of claim 1 wherein said additional compound comprises HCFC-244bb and HCFC-253fb.

7. The composition of claim 2 wherein said additional compound comprises HCFO-1233xf and HCFC-253fb.

8. The composition of claim 7 wherein the amount of the at least one additional compound is greater than 0 and less than about 1 weight percent.

9. A composition comprising HFO-1234yf, HFO-1234ze, HFO-1243zf, HCFC-1131, HFC-143a and HCFC-253fb.

10. A composition comprising HFO-1234yf, HFO-1234ze, HFO-1243zf, 1131, HFC-143a, HCFC-253fb and at least one additional compound selected from the group consisting of HCFC-244db, HFC-245cb, and HFC-245fa.

11. The composition of claim 10 wherein the amount of the at least one additional compound is greater than 0 and less than about 1 weight percent.

12. The composition of claim 11 wherein the additional compound comprises HCFC-244db and further comprises HCFC 244bb.

13. The composition of claim 11 wherein the additional compound comprises one of HFC-245cb, HCFC-244db and HCFC-244bb.

14. The composition of claim 13 wherein the additional compound also comprises HFC-245fa.

15. A method for carrying heat from a heat source to a heat sink wherein a media comprising the composition of claim 1 is used as heat transfer fluid.

16. A heat transfer system comprising at least one member selected from the group consisting of air conditioners, freezers, refrigerators, heat pumps, water chillers, flooded evaporator chillers, direct expansion chillers, walk-in coolers, heat pumps, mobile refrigerators, mobile air conditioning units and combinations thereof; and wherein the system comprises a working fluid comprising the composition of claim 1 .

17. The heat transfer system of claim 16 wherein the system comprises a mobile refrigeration apparatus.

18. A method for carrying heat from a heat source to a heat sink wherein a media comprising the composition of claim 9 is used as heat transfer fluid.

19. A method for carrying heat from a heat source to a heat sink wherein a media comprising the composition of claim 10 is used as heat transfer fluid.

Assignees

• Chemours Co Fc Llc

Inventors

• Mahler Barry Asher
• Nappa Mario Joseph

Classifications

• C09K21/08

  containing halogen · CPC title

• C09K5/045 Primary

  containing only fluorine as halogen · CPC title

• A62D1/0028

  Liquid extinguishing substances (A62D1/0092 takes precedence) · CPC title

• C08J2203/14

  Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons · CPC title

• C07C21/18

  containing fluorine · CPC title