Abstract: Novel non-flammable refrigerants having a GWP of less than 750 and containing R-32, R-125, R-134a and R-1234yf, and novel air conditioning systems (including heat pumps) which use such refrigerants, and method of retrofitting standard single refrigerant vapor compression air conditioning systems using said refrigerants, including especially residential heat pumps and residential split direct expansion air conditioning systems.

Abstract: The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises from about 5% by weight to 100% by weight of trans-1,2-difluorethylene (R1132(E)), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety.

Abstract: Method for retrofitting an existing heat transfer system comprising adding to said existing system a refrigerant consisting essentially of: (i) from about 25% to about 45% by weight of 1,1,1,2-tetrafluoroethane (HFC-134a); (ii) from 25% to about 35% by weight of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and/or 2,3,3,3-tetrafluoropropene (HFO-1234yf); and (iii) from about 37% to about 46% by weight of a combination of difluoromethane (HFC-32) and pentafluoroethane (HFC-125), provided that the weight ratio of HFO-32:HFC-125 is from about 1.21:1 to about 0.8:1, wherein the refrigerant preferably is a non-flammable refrigerant having a GWP of 1350 or less.

Abstract: The present invention provides cascade refrigeration systems in which the low stage comprises a refrigerant with a GWP less than 150, and the high stage comprises a refrigerant that is either Class A1 or Class A2L and comprises at least about 75% by weight of HFO-1234ze(E).

Abstract: The present invention provides a refrigerant composition comprising: (a) from about 65% by weight to about 90% by weight of HFO-1234ze (E); (b) from about 10% by weight to about 35% by weight of HFO-1336mzz (E); and optionally (c) from about 0% to about 4.4% by weight of HFC-227ea for use in a variety of refrigeration applications, including air conditioning and/or refrigeration and particularly cooling products such as fruits, vegetables and beverages without exposing those articles to temperatures below the freezing point of water.

Abstract: Methods, foams and blowing agents for forming for forming extruded polystyrene foam wherein the blowing agent comprises (i) from about 40% by weight to about 70% by weight of one or more HFOs three or four carbon atoms and/or an HFCOs having three or four carbon atoms being selected from the group consisting of 1224yd(Z), 1233zd(E), 1336mzz(Z) and combinations of these; and (ii) from about 30% to about 60% by weight of isobutane, methyl formate and combinations of these.

Abstract: Refrigerants comprising from about 40% to about 60% by weight carbon dioxide (CO2), from about 30% to about 45% by weight of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), and from 2.0% to about 15% by weight of trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E).

Abstract: Disclosed are methods of forming foam comprising: (a) providing a foamable composition comprising an isocyanate, a polyol and a physical blowing agent comprising at least about 50% by weight of hydrohaloolefin, including trans1233zd, and wherein the polyol comprises a polyol or mixture of polyols such that the hydrohaloolefin, including trans1233zd, has a solubility in said polyol of less than about 30%; and (b) forming a foam from said foamable composition.

Abstract: The present invention relates to a refrigerant composition comprising at least about 98.5% by weight of the following three compounds, with each compound being present in the following relative percentages: 33.0% to 45% by weight difluoromethane (HFC-32); 48.5% to 67.0% by weight of 2,3,3,3-tetrafluoropropene (HFO-1234yf); and 1.0% to 6.0% by weight fluoroethane (HFC-161), and to the use of the refrigerant in a heat exchange system, including air conditioning, refrigeration applications and heat pump applications and to the use of such compositions as a replacement of the refrigerant R-410A or R-32 or R-454B for heating and cooling applications.

Abstract: The present invention provides a refrigerant composition comprising: (a) from about 65% by weight to about 90% by weight of HFO-1234ze(E); (b) from about 10% by weight to about 35% by weight of HFO-1336mzz (E); and optionally (c) from about 0% to about 4.4% by weight of HFC-227ea for use in a variety of refrigeration applications, including air conditioning and/or refrigeration and particularly cooling products such as fruits, vegetables and beverages without exposing those articles to temperatures below the freezing point of water.

Abstract: Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.

Abstract: Method for retrofitting an existing heat transfer system comprising adding to said existing system a refrigerant consisting essentially of: (i) from about 25% to about 45% by weight of 1,1,1,2-tetrafluoroethane (HFC-134a); (ii) from 25% to about 35% by weight of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and/or 2,3,3,3-tetrafluoropropene (HFO-1234yf); and (iii) from about 37% to about 46% by weight of a combination of difluoromethane (HFC-32) and pentafluoroethane (HFC-125), provided that the weight ratio of HFO-32:HFC-125 is from about 1.21:1 to about 0.8:1, wherein the refrigerant preferably is a non-flammable refrigerant having a GWP of 1350 or less.

Abstract: A coating composition comprising: (a) at least one coating agent comprising a perfluoropolyether-modified al-kyloxysilane polymer; and (b) a carrier composition comprising monochloro, trilluoropropene, wherein the carrier is present in an amount effective to at least partially solvate or at least partially emulsify the coating agent. Such compositions may optionally contain one or more other co-carriers or additives. Also disclosed are methods of coating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil and/or dirt repellent.

Abstract: Methods, foams and blowing agents for producing thermoplastic foam having low aged lambda and low foam density, wherein the blowing agent comprises: (a) from about 50% by weight to about 70% by weight of an HFO and/or an HFCO having three atoms; (b) a first co-blowing agent consisting essentially of from about 2% to about 15% by weight of methyl formate; (c) a second co-blowing agent consisting essentially of from about 20% to about 30% by weight of dimethyl ether, isobutane and combinations of these; and (d) a third co-blowing agent consisting essentially of from about 2% to about 25% by weight of carbon dioxide, acetone and combinations of these.

Abstract: The present invention provides a refrigerant composition comprising: (a) from about 65% by weight to about 90% by weight of HFO-1234ze(E); (b) from about 10% by weight to about 35% by weight of HFO-1336mzz (E); and optionally (c) from about 0% to about 4.4% by weight of HFC-227ea for use in a variety of refrigeration applications, including air conditioning and/or refrigeration and particularly cooling products such as fruits, vegetables and beverages without exposing those articles to temperatures below the freezing point of water.

Abstract: The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CF3I) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A.

Abstract: Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.

Abstract: Disclosed are fire extinguishants comprising from about 20% to about 80% by weight of 1-chloro-3,3,3-trifluoropropene (HFO-1233zd) and from about 20% to about 80% by weight of 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone (FK5-1-12), and to methods, systems and containers which use the fire extinguishants.

Abstract: Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

Abstract: Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.