# US 2014/0191153 A1 · Low gwp heat transfer compositions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0191153 A1 - Document ID: US20140191153A1 - Status: Published application - Kind: A1 - Application number: 14/209,040 - Filed: 2014-03-13 - Published: 2014-07-10 - Earliest claimed: 2010-11-12 - Assignees: Honeywell International Inc. - Applicants: Honeywell International Inc. - Inventors: Samuel F. Yana Motta; Mark W. Spatz; Ryan Hulse - Web page: https://patentgrep.com/patent/US20140191153A1 ## CPC - C09K 5/045: {containing only fluorine as halogen} - C09K 3/30: for aerosols (aerosol containers B65D83/14) - C09K 2205/126: Unsaturated fluorinated hydrocarbons - C09K 2205/22: All components of a mixture being fluoro compounds - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE ## Abstract Heat transfer compositions and methods wherein the compositions have a burning velocity (BV) of less than about 10 and a global warming potential (GWP) of less than about 400 comprising: (a) from, about 0 to about 50% by weight of HFC-32; (b) from about 50% to about 90% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and (c) from about 0 to about 25% by weight of a compound selected from HFO-1243zf, HFC-152a, and combinations of these, provided that the combination of components (a) and (c) together comprise at least about 10% by weight of the composition, and further provided that the amount of each of the components (a), (b) and (c) is selected to ensure that the BV of the composition is less than about 10 and the GWP of the composition is less than about 400. ## Claims ### Claim at position 1 -8. (canceled) ### Claim 9 A beat transfer composition comprising from about 25 to about 90% by weight of 2,3,3,3-tetrafluoropropene, from about 5 to about 20% by weight of KFC-152a and from about 10 to about 55% by weight of HFC-32, said composition having a burn velocity of less than about 10 and a cooling capacity that is within about ±6% of the cooling capacity of R404A in a low temperature refrigeration system. ### Claim 10 (depends on 9) The heat transfer composition of claim 9, comprising from about 50 to about 90% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 11 (depends on 9) The heat transfer composition of claim 9, comprising from about 25 to about 65% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 12 (depends on 9) The heat transfer composition of claim 9, comprising from about 25 to about 55% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 13 (depends on 9) The heat transfer composition of claim 9, consisting essentially of 2,3,3,3-tetrafluoropropene, HFC-152a, and HFC-32. ### Claim 14 (depends on 9) The heat transfer composition of claim 9, comprising a cooling capacity that is within about ±3% of the cooling capacity of R404A in a low temperature refrigeration system. ### Claim 15 A compression system for air conditioning and heating containing a heat transfer fluid wherein said heat transfer fluid comprises from about 25 to about 90% by weight of 2,3,3,3-tetrafluoropropene, from about 5 to about 20% by weight of HFC-152a and from about 10 to about 55% by weight of HFC-32, said composition having a burn velocity of less than about 10 and a cooling capacity that is within about ±6% of the cooling capacity of R404A in a low temperature refrigeration system. ### Claim 16 (depends on 15) The compression system of claim 15, wherein the heat transfer fluid comprises from about 50 to about 90% by weight of 2,3,3,3-tetralluoropropene. ### Claim 17 (depends on 15) The compression system of claim 15, wherein the heat transfer fluid comprises from about 25 to about 65% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 18 (depends on 15) The compression system of claim 15, wherein the heat transfer fluid comprises from about 25 to about 55% by weight of 2,3,3,3-tetralluoropropene. ### Claim 19 (depends on 15) The compression system of claim 15, wherein the heat transfer fluid consists essentially of 2,3,3,3-tetrafluoropropene, HFC-152a, and HFC-32. ### Claim 20 (depends on 15) The compression system of claim 15, wherein the heat transfer fluid comprises a cooling capacity that is within about ±3% of the cooling capacity of R404A in a low temperature refrigeration system. ### Claim 21 A method of providing cooling in low temperature refrigeration system, said method comprising providing a low temperature refrigeration system and providing in said low temperature refrigeration system a refrigerant composition comprising: from about 25 to about 90% by weight of 2,3,3,3-tetrafluoropropene, from about 5 to about 20% by weight of HFC-152a and from about 10 to about 55% by weight of HFC-32, said composition having a burn velocity of less than about 10 and a cooling capacity that is within about ±6% of the cooling capacity of R404A in a low temperature refrigeration system. ### Claim 22 (depends on 21) The method of claim 21, wherein the refrigerant comprises from about 50 to about 90% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 23 (depends on 21) The method of claim 21, wherein the refrigerant comprises from about 25 to about 65% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 24 (depends on 21) The method of claim 21, wherein the refrigerant comprises from about 25 to about 55% by weight of 2,3,3,3-tetrafluoropropene. ### Claim 25 (depends on 21) The method of claim 21, wherein the refrigerant consists essentially of 2,3,3,3-tetrafluoropropene, HFC-152a, and HFC-32. ### Claim 26 (depends on 21) The method of claim 21, wherein the refrigerant comprises a cooling capacity that is within about ±3% of the cooling capacity of R404A in a low temperature refrigeration system. ### Claim 27 A blowing agent comprising from 25 to 55% by weight of 2,3,3,3-tetrafluoropropene, from 5 to 20% by weight of HFC-152a and from 10 to 55% by weight of HFC-32. ### Claim 28 A solvent comprising from 25 to 55% by weight of 2,3,3,3-tetrafluoropropene, from 5 to 20% by weight of HFC-152a and from 10 to 55% by weight of HFC-32. ### Claim 29 An aerosol comprising from 25 to 55% by weight of 2,3,3,3-tetrafluoropropene, from 5 to 20% by weight of HFC-152a and from 10 to 55% by weight of HFC-32.