Abstract: The present invention provides hydrochlorofluorocarbons having 3 to 5 carbons atoms, 1 to 2 chlorine atoms, and an OH rate constant from about 8 to about 25 cm.sup.3 /molecule/sec.times.10.sup.-14. The hydrochlorofluorocarbons are useful as solvents and blowing agents.

Abstract: The present invention provides a class of hydrochlorofluorocarbons having a tertiary structure, 5 carbon atoms, 1 chlorine atom, 6 to 8 fluorine atoms, and OH rate constants from about 8 to about 15 cm.sup.3 /molecule/secx10.sup.-14. The hydrochlorofluorocarbons are useful as solvents and blowing agents.

Abstract: This invention relates to compositions comprising a volatile hydrochlorofluorocarbon such as 1,1-dichloro-1-fluoroethane and demulsifer. The compositions are effective as drying agents.

Abstract: Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkyl or fluoroalkyl group having 1 to 6 carbon atoms have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

Abstract: An improved cooling medium for use in a thermal energy storage system is disclosed. The cooling medium comprises water, 1-fluoro-1,1-dichloroethane (HCFC-141b), as the guest molecule and a surfactant selected from the group consisting of DRSC.RTM., EMPHOS PS-21A.RTM., MAPHOS L13.RTM., or MAZEEN C-Z.RTM., POE(2) COCOAMINE. It has been found that any of the above surfactants, and preferably DRSC.RTM. and EMPHOS PS-21A.RTM. encourage clathrate formation at surfactant concentrations far below 300 ppm. Clathrate formation, and the overall efficiency of the thermal energy storage system is increased when the cooling medium of the present invention is used.

Abstract: A method of cleaning a surface of a substrate is provided. The solvent is selected from a group consisting of hydrochlorofluorocarbons having 3 to 5 carbon atoms and a maximum of two chlorine atoms. The environmental lifetime of the solvent is expected to be less than one year.

Abstract: A method of cleaning a surface of a substrate is provided. The method comprises treating the surface with a solvent comprising 1-chloro-3,3,3-trifluoropropane.

Abstract: A method for preparing polyurethane and polyisocyanurate foams which comprises reacting and foaming a mixture of ingredients which will react to form the polyurethane or polyisocyanurate foams in the presence of a blowing agent comprising a partially fluorinated alkane having four or five carbon atoms and a tertiary structure. The method is advantageous because partially fluorinated alkanes having a tertiary structure have zero ozone depletion potentials, are nonflammable, and have higher solvency toward polyols.

Abstract: The present invention provides stabilized compositions comprising dichlorotrifluoroethane and effective stabilizing amounts of alkanol having 4 or 5 carbon atoms, nitroalkane having 1 to 3 carbon atoms, and a third component of 1,2-epoxyalkane having 2 to 7 carbon atoms or phosphite ester. Stabilized dichlorotrifluoroethane is useful in a variety of vapor degreasing, cold cleaning, and solvent cleaning applications including defluxing.

Abstract: Novel partially fluorinated alkenes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkenyl or fluoroalkenyl group having 1 to 6 carbon atoms have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

Abstract: Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkyl or fluoroalkyl group having 1 to 6 carbon atoms with the proviso that when each R is CF.sub.3, R' is not CF.sub.3 (CF.sub.2).sub.2 --, CF.sub.3 CF.sub.2 --, or CF.sub.3 have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

Abstract: Novel partially fluorinated alkenes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkenyl or fluoroalkenyl group having 1 to 6 carbon atoms have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

Abstract: Novel partially fluorinated alkanes having the Formula: ##STR1## wherein each R is the same or different and is selected from the group consisting of CF.sub.3, CHF.sub.2, CH.sub.2 F, and CH.sub.3 CF.sub.2, and R' is an alkyl or fluoroalkyl group having 1 to 6 carbon atoms with the proviso that when each R is CF.sub.3, R' is not CF.sub.3 (CF.sub.2).sub.2 -, CH.sub.3 CF.sub.2 -, or CF.sub.3 have utility as solvents in a variety of industrial cleaning applications including cold cleaning, dry cleaning, and defluxing of printed circuit boards.

Abstract: Azeotrope-like compositions comprising 1,1,2-trichloro-1,2,2-trifluoroethane; 1,2-dichloroethylene; and alkanol having 3 to 7 carbon atoms have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing a printed circuit boards.

Abstract: A method of cleaning a surface of a substrate is provided. The method comprises treating the surface with a solvent comprising a compound of the formulaCH.sub.a Cl.sub.b F.sub.c (CF.sub.2).sub.d CH.sub.e Cl.sub.f F.sub.gwherein a+e ranges from 1 to 4, b+f equals 2, c+g ranges from 0 to 3, d is from 1 to 4, a+b+c=3, and e+f+g-3.

Abstract: 1-chloro-2,2,2-trifluoroethane (refrigerant 133a) is dissolved in a furan-derivative absorbent, and especially an ether of tetrahydrofurfuryl alcohol, to form an absorption refrigerant pair composition. It exhibits a good combination of performance, capacity, stability, low toxicity and convenient operating pressures. These compositions are useful in methods of absorption refrigeration, cooling and heating and especially in an absorption heat pump.

Abstract: 1,2-Dichloro-1,1-difluoroethane is useful as a power fluid with particular suitability for moderate scale Rankine cycle applications based on systems with moderate temperature heat sources. The fluid is utilized in a Rankine cycle application by vaporizing the fluid by passing the same in heat exchange relationship with a heat source and utilizing the kinetic energy of the resulting expanding vapors to perform work. In this manner heat energy is converted to mechanical energy. The fluid is particularly advantageous in a dual cycle system consisting of a Rankine power cycle combined with a vapor compression cooling or heating cycle.

Abstract: The invention comprises absorption pair compositions consisting essentially of selected one and two carbon fluorocarbon solutes dissolved in selected furan ring absorbents. These absorption pair compositions are useful in methods of absorption refrigeration, cooling and heating and particularly in an absorption heat pump.

Abstract: The invention comprises a novel compound having the chemical name 2-(t-butoxymethyl) tetrahydrofuran and a novel absorption pair comprising 2-(t-butoxymethyl) tetrahydrofuran as the solvent and a lower alkyl fluorocarbon as the solute. The invention further comprises a method of absorption heating and method of absorption refrigeration using the novel absorption pair and absorption heating and an absorption cooling apparatus using the novel absorption pair.

Abstract: The invention comprises absorption pair compositions consisting essentially of selected lower alkyl fluorocarbon solutes dissolved in selected furan ring containing absorbents. The invention further comprises a method of absorption heating utilizing such compositions and absorption heating apparatus incorporating such compositions. The invention also comprises a novel furan compound, namely, n-butyl tetrahydrofurfuryl ether.