Abstract: The present invention relates to a hybrid vapor compression—absorption cooling or heating system and apparatus containing a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides for the performance of a hybrid vapor compression—absorption cycle that utilizes refrigerants and absorbents such as fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling by the execution of a hybrid vapor compression—absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating by the execution of a hybrid vapor compression—absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.

Abstract: The present invention relates to a hybrid vapor compression-absorption cooling or heating system and apparatus containing a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides for the performance of a hybrid vapor compression-absorption cycle that utilizes refrigerants and absorbents such as fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling by the execution of a hybrid vapor compression-absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating by the execution of a hybrid vapor compression-absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.

Abstract: Mixtures of ammonia and ionic liquids are provided that are suitable for use as absorption cooling fluids in absorption cycles, and ammonia storage.

Abstract: A process for separating tetrafluoroethylene from a mixture comprising tetrafluoroethylene and carbon dioxide by contacting the mixture with at least one ionic liquid.

Abstract: A thermal energy transfer system utilizes a composition containing one or more polyols, such as 1,3-propanediol, and one or more ionic liquids as a thermal energy transfer composition. There is also provided a method of transferring thermal energy and a process for temperature adjustment, either cooling or heating, using such a composition.

Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants.

Abstract: A process for separating the diastereomers of a compound such as dihydrodecafluoropentane by using an ionic liquid to increase separation efficiency. The process may involve separation of the threo and erythro diastereomers of HFC-4310mee by liquid-liquid extraction wherein at least one ionic liquid is used as the extractant.

Abstract: This invention relates to a process for separating 1,1,2,2-tetrafluoroethane or 1,1,1,2-tetrafluoroethane from a mixture comprising both 1,1,1,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane wherein at least one ionic liquid is used to enhance the efficiency of the separation.

Abstract: Mixtures of ammonia and ionic liquids are provided that are suitable for use as absorption cooling fluids in absorption cycles, and ammonia storage.

Abstract: This invention relates to the use of ionic liquids as lubricants in vapor compression systems for cooling or heating. This invention also relates to an apparatus for adjusting temperature that operates a vapor compression cycle.

Abstract: This invention relates to a process for purifying at least one of perfluoromethane and nitrogen trifluoride from a mixture thereof using an ionic liquid. The process may be performed by a technique such as extractive distillation or absorption wherein at least one ionic liquid is used as the entraining agent or absorbent, respectively.

Abstract: This invention relates to a composition comprising water and at least one ionic liquid, and also to devices capable of executing an absorption cycle using such compositions as a refrigerant pair. This invention also provides a method of cooling using an absorption cycle comprising water as the refrigerant and at least one ionic liquid as the absorbent. The present invention also provides a method of heating using an absorption cycle comprising water as the refrigerant and at least one ionic liquid.

Abstract: The present invention relates to a process for separating close-boiling and azeotropic components of mixtures, wherein said mixtures comprise at least one hydrofluorocarbon compound, using at least one ionic liquid.

Abstract: The present invention relates to a hybrid vapor compression-absorption cooling or heating system and apparatus containing a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides for the performance of a hybrid vapor compression-absorption cycle that utilizes refrigerants and absorbents such as fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling by the execution of a hybrid vapor compression-absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating by the execution of a hybrid vapor compression-absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.

Abstract: The present invention relates to an absorption cycle comprising a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides an absorption cycle that utilizes fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling using an absorption cycle comprising a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating using an absorption cycle comprising a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.

Abstract: The present invention relates to azeotrope-like compression refrigerant compositions consisting essentially of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134a) and 0.5-5 weight percent of a hydrocarbon selected from the group consisting of: n-butane; isobutane; n-butane and 2-methylbutane; n-butane and n-pentane; isobutane and 2-methylbutane; and isobutane and n-pentane.

Abstract: Disclosed are ternary azeotropic, azeotrope-like, and zeotropic compositions of ammonia, pentafluoroethane and difluoromethane. These compositions are useful as refrigerants, and particularly as high capacity and efficiency alternatives to binary mixtures of difluoromethane and pentafluoroethane.

Abstract: The azeotropic compositions of 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane and the azeotropic and azeotropic-like composition of 1,1,2,2-tetrafluoroethane and one of, 1-chloro-1,1-difluoroethane, perfluorocyclobutane, n-butane, isobutane and 1,1,1,2,3,3,3-heptafluoropropane, and their use as refrigerants, aerosol propellants and blowing agents for polymer foams, are disclosed. The azeotropic and azeotrope-like compositions of 1,1,1,2-tetrafluoroethane and one of perfluorocyclobutane and 1,1,1,2,3,3,3-heptafluoropropane are also useful as fire extinguishants.

Abstract: Near-Azeotropic blends of:pentafluoroethane and 1,1,1-trifluoroethane with one or more of chlorodifluoromethane, 1,2,2,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane, 1,1,1,2,2,3,3-heptafluoropropane, and perfluorocyclopropane;chlorodifluoromethane and pentafluoroethane with one or more of ethane, butane, isobutane, dimethyl ether, propylene, and difluoromethane;chlorodifluoromethane with 1,1,1-trifluoroethane and 1,2,2,2-tetrafluoroethane, propane and pentafluoroethane, or 1,1,1-trifluoroethane and octafluoropropane;and pentafluoroethane with fluoroethane and 1,2,2,2-tetrafluoroethane, along with their use as refrigerants.

Abstract: Compositions of perfluoroethane and trifluoromethane are disclosed as acceptable drop in replacements for R-503.Also disclosed are azeotropic or azeotrope-like compositions of admixtures of effective amounts of perfluoroethane and trifluoromethane, nitrous oxide, carbon dioxide, or fluoromethane to form an azeotropic or azeotrope-like composition.Such compositions are useful as cleaning agents, expansion agents for polyolefins and polyurethanes, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.