Patent application number | Description | Published |
20080292564 | AEROSOL COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME - Various compositons, including particularly aerosol compositions, containing fluorinated olefins, including particularly tetra- and penta-fluorpropenes, in a variety of applications are disclosed. | 11-27-2008 |
20090127497 | HYDROFLUOROCARBON/TRIFLUOROIODOMETHANE/ HYDROCARBONS REFRIGERANT COMPOSITIONS - A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C | 05-21-2009 |
20090241562 | METHOD FOR SELECTING LUBRICANTS FOR HEAT PUMPS - Provided is a method for selecting a lubricant and a refrigerant for use in a vapor-compression refrigeration device such that the combination of the lubricant and refrigerant produces a fluid system having a lubricant-rich phase and a refrigerant-rich phase, yet exhibits miscible-type properties. | 10-01-2009 |
20090283712 | SESQUITERPENE STABILIZED COMPOSITIONS - Provided is a composition comprising (a) at least one halogenated compound selected from the group consisting of C | 11-19-2009 |
20100019190 | Refrigerant compositions and use thereof in low temperature refrigeration systems - A process for obtaining low temperature refrigeration in an existing or new low temperature refrigeration system designed to operate with, or suitable for use with, or capable of being used with HCFC-22 as the refrigerant, the refrigerant composition being a refrigerant composition comprising difluoromethane (HFC-32), pentafluoroethane (HFC-125) and tetrafluoroethane (HFC134a), the three components being present in the composition in amounts such that the operating characteristic of the refrigerant composition in regard to superheat is provided at an acceptable level and the operating characteristics of the refrigerant composition in regard to cooling capacity, mass flow and efficiency (COP) characteristics, when employed as the refrigerant in a low temperature refrigeration system, are each at least 95% of the operating characteristics of chlorodifluoromethane (HCFC-22) if HCFC-22 were to be employed as the refrigerant in such low temperature refrigeration system. | 01-28-2010 |
20100047189 | AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,2-TETRAFLUOROPROPENE AND 1,1,1,2-TETRAFLUOROETHANE - 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. | 02-25-2010 |
20100139314 | REFRIGERANT COMPOSITIONS AND USE THEREOF IN LOW TEMPERATURE REFRIGERATION SYSTEMS - A refrigerant composition. The composition has 25 to 35 mass % difluoromethane, 20 to 40 mass % pentafluoroethane, and 35 to 45 mass % tetrafluoroethane. The composition exhibits a positive superheat at an evaporation temperature of about −30° F. There is also a process for producing refrigeration and a refrigeration system. | 06-10-2010 |
20100154444 | Trans-Chloro-3,3,3-Trifluoropropene For Use In Chiller Applications - The present invention relates to refrigerant compositions containing trans-chloro-3,3,3-trifluoropropene (1233zd(E)) useful for chiller applications and processes using 1233zd(E). | 06-24-2010 |
20110126558 | USE OF LOW GWP REFRIGERANTS COMPRISING CF3I WITH STABLE LUBRICANTS - The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms. | 06-02-2011 |
20110219815 | HEAT TRANSFER COMPOSITIONS AND METHODS - Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) from about 10% to about 35% by weight of HFC-32; (b) from about 10% to about 35% by weight of HFC-125; (c) from about 20% to about 50% by weight of HFO-1234ze, HFO-1234yf and combinations of these; (d) from about 15% to about 35% by weight of HFC-134a; and optionally (e) up to about 10% by weight of CF3I and up to about 5% by weight of HFCO-1233ze, with the weight percent being based on the total of the components (a)-(e) in the composition | 09-15-2011 |
20110232306 | ABSORPTION REFRIGERATION CYCLES USING A LGWP REFRIGERANT - An absorptive refrigeration method and refrigerant/absorbant pairs comprising fluorinated organic compounds, such as fluorinated organic compounds having from one to eight carbon atoms (C1-C8), including hydrofluoroolefin and/or hydrochlorofluoroolefin compounds. In certain embodiments, a fluorinated organic compound, including certain hydrofluoroolefin and/or hydrochlorofluoroolefin compounds (e.g. C2-C4 hydrofluoroolefin and/or hydrochlorofluoroolefin compounds) is/are utilized as the refrigerant, with the absorbant portion either being a fluorinated organic compound or a non-fluorinated oil. | 09-29-2011 |
20120096877 | HYDROFLUOROCARBON REFRIGERANT COMPOSITIONS FOR HEAT PUMP WATER HEATERS - Hydrofluorocarbon refrigerant compositions enable the use of existing compressor technologies in heat pump water heaters in a reliable (low discharge temperatures and pressures) and efficient (high capacity and efficiency) manner. The refrigerant comprises blends of pentafluoroethane (HFC-125), difluoromethane (HFC-32), tetrafluoroethane (HFC-134a) and tetrafluoropropene (HFO-1234ze). | 04-26-2012 |
20120119136 | LOW GWP HEAT TRANSFER COMPOSITIONS - 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. | 05-17-2012 |
20120240606 | Trans-Chloro-3,3,3-Trifluoropropene For Use In Chiller Applications - The present invention relates to refrigerant compositions containing trans-chloro-3,3,3-trifluoropropene (1233zd(E)) useful for chiller applications and processes using 1233zd(E). | 09-27-2012 |
20130015395 | Low GWP Heat Transfer Compositions Containing Difluoromethane, A Fluorinated Ethane And 1,3,3,3-Tetrafluoropropene - Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32; (b) from about 70% to about 90% by weight of HFO-1234ze; and (c) from about 5% to less than about 20% by weight of HFC-152a and/or HFC-134a. | 01-17-2013 |
20130020528 | Low GWP Heat Transfer Compositions Containing Difluoromethane And 1,3,3,3-Tetrafluoropropene - Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze. | 01-24-2013 |
20130067938 | METHOD FOR SELECTING LUBRICANTS FOR HEAT PUMPS - Provided is a method for selecting a lubricant and a refrigerant for use in a vapor-compression refrigeration device such that the combination of the lubricant and refrigerant produces a fluid system having a lubricant-rich phase and a refrigerant-rich phase, yet exhibits miscible-type properties. | 03-21-2013 |
20130145778 | HEAT TRANSFER COMPOSITIONS AND METHODS - Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) HFC-32; (b) HFC-125; (c) HFO-1234yf and/or HFO-1234ze; (d) HFC-134a. In certain non-limiting aspects, such refrigerants may be used as a replacement for R-404A. | 06-13-2013 |
20130186115 | LOW GWP HEAT TRANSFER COMPOSITIONS - Heat transfer compositions and methods including (a) HFC-32; (b) HFO-1234ze; and (c) either or both of HFC-152a and/or HFC-134a. | 07-25-2013 |
20140047860 | LOW GWP HEAT TRANSFER COMPOSITIONS - The present invention relates, in part, to heat transfer compositions and methods that include (a) from about 65% to about 75% by weight of HFC-32; (b) from about 15% to about 35% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and (c) from greater than about 0% to less than about 10% by weight of CO2, provided that the amount of component (c) is effective to improve heating capacity of the composition and reduce the defrost cycle in refrigerant applications, as compared to compositions lacking this component. | 02-20-2014 |
20140069129 | TRANS-CHLORO-3,3,3-TRIFLUOROPROPENE FOR USE IN CHILLER APPLICATIONS - The present invention relates to refrigerant compositions containing trans-chloro-3,3,3-trifluoropropene (1233zd(E)) useful for chiller applications and processes using 1233zd(E). | 03-13-2014 |
20140137578 | LOW GWP HEAT TRANSFER COMPOSITIONS - The present invention relates, in part, to heat transfer and refrigerant compositions and methods that include HFC-32; HFO-1234ze and HFC-125. | 05-22-2014 |
20140166923 | COMPOSITIONS CONTAINING DIFLUOROMETHANE AND FLUORINE SUBSTITUTED OLEFINS - Compositions comprising HFO-1234ze(E) and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment. | 06-19-2014 |
20140191153 | LOW GWP HEAT TRANSFER COMPOSITIONS - 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. | 07-10-2014 |
20140230465 | METHOD FOR SELECTING LUBRICANTS FOR HEAT PUMPS - Provided is a method for selecting a lubricant and a refrigerant for use in a vapor-compression refrigeration device such that the combination of the lubricant and refrigerant produces a fluid system having a lubricant-rich phase and a refrigerant-rich phase, yet exhibits miscible-type properties. | 08-21-2014 |
20140260382 | LOW GWP FLUIDS FOR HIGH TEMPERATURE HEAT PUMP APPLICATIONS - The present invention relates, in part, to heat transfer compositions, and associated systems and methods, which include a first composition selected from the group consisting of HFO-1233zd, HFC-245fa, and combinations of these: and optionally, a second composition selected from the group consisting of HFO-1234ze, HFC-134a, and combinations of these. | 09-18-2014 |
20140264147 | Low GWP heat transfer compositions containing difluoromethane, A Fluorinated ethane and 1,3,3,3-tetrafluoropropene - Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32; (b) from about 70% to about 90% by weight of HFO-1234ze; and (c) from about 5% to less than about 20% by weight of HFC-152a and/or HFC-134a. | 09-18-2014 |
20140332710 | Compositions containing fluorine substituted olefins - Various uses of tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including refrigeration equipment, are disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents. | 11-13-2014 |