Abstract: The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively constant, and uses thereof.

Abstract: Disclosed are azeotrope-like compositions comprising 1,1,1,3,3-pentafluoropropane and at least one C3 or C4 hydrocarbon, and optionally water, said compositions are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.

Abstract: Disclosed are azeotrope-like compositions comprising 1,1,1,3,3-pentafluorobutane, water and a hydrocarbon selected from the group consisting of n-pentane, isopentane, cyclopentane, n-hexane, and isohexane., said compositions are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.

Abstract: This invention provides azeotrope-like compositions of 1,1,1,2-tetrafluoroethane, 1,1,1,3,3-pentafluoropropane-245fa and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.

Abstract: The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively constant, and uses thereof.

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: Azeotrope-like compositions comprising 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane and a second component selected from the group consisting of methanol; ethanol; 1-propanol; 2-propanol; 2-methyl-2-propanol; 2-methyl-2-butanol; n-hexane; isohexane; 2-propanone; and 2-butanone and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.

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 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: Stable azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane, nitromethane, 1,2-dichloroethylene and an alkanol which are useful in a variety of industrial cleaning applications.

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: Piperazine containing positive photoresist stripping compositions are provided. Formulations include N-aminoalkylpiperazines with the formula ##STR1## bis-N-aminoalkylpiperazines of the formula ##STR2## N-hydroxyalkylpiperazine of the formula ##STR3## and bis-hydroxyalkypiperazines with structure ##STR4## In the above formulae n=1-6. Also included are piperazine derivatives such as those of the above formulae with a branch chain alkyl of 1-6 C atoms, and 5-6 atom cycloalkyl substituted compounds wherein the cycloalkyl is substituted for --(CH.sub.2).sub.n --. Components which may be mixed with the above described piperazine in preparing the positive photoresist stripping compositions of the invention include alkyl or cycloalkyl-2-pyrrolidones of the formula ##STR5## Other amide type solvents with the boiling point in excess of 200.degree. C. as well as high boiling diethylene glycol ethers may also be incorporated.