Abstract: A drying composition according to the invention is composed of a solution of a surface-active agent in a mixture of a fluorinated hydrocarbon and of a polyfluorinated alcohol of formula:

Abstract: The present invention relates to a water-repellant composition consisting essentially of at least one hydrophobic agent and at least one solvent which is compatible with the at least one hydrophobic active agent, this solvent being other than a fluorinated hydrocarbon, wherein the solvent is organic compound comprising at least one oxygen-comprising functional group and in that the hydrophobic active agent is a compound of an organopolysiloxane of formula (I): where P is an integer ranging from 0 to 150 and each R independently represents an alkyl or alkoxy group with 1 to 10 carbon atoms, a cycloalkyl group with 3 to 10 carbon atoms, a phenyl group, an aminated group, a halogen or a hydrogen, with the condition that at least one R is an aminated group.

Abstract: A floating inflatable device which is to be able to be inflated on the surface of liquid and which for this purpose comprises inflation means including an on-board source of pressurized gas, wherein said inflation means comprise a venturi supplied by said source of pressurized gas and capable of entraining ambient air which contributes to the inflating of the device, and wherein said venturi inflation means, being mounted on a wall of said device, are protected by protective means covering them in such a way as to allow ambient air to pass freely while at the same time preventing liquid from being able to gain entry to the device to any appreciable extent.

Abstract: In order to replace 1,1,2-trichloro-1,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane in compositions for treating solid surfaces (in particular defluxing), the invention proposes the use of a quasi-azeotropic mixture containing, by weight, from 75 to 95% of 1,1,1,3,3-pentafluorobutane, from 1 to 15% of methylene chloride and from 1 to 10% of methanol.

Abstract: A floating inflatable device which is to be able to be inflated on the surface of liquid and which for this purpose comprises inflation means including an on-board source of pressurized gas, wherein said inflation means comprise a venturi supplied by said source of pressurized gas and capable of entraining ambient air which contributes to the inflating of the device, and wherein said venturi inflation means, being mounted on a wall of said device, are protected by protective means covering them in such a way as to allow ambient air to pass freely while at the same time preventing liquid from being able to gain entry to the device to any appreciable extent.

Abstract: Azeotropic and azeotrope-like compositions of 142/365 mfc, 142/methanol, and 142/365 mfc/methanol are provided, as are methods for using the same for cleaning, drying, foam blowing and the like.

Abstract: In order to replace compositions based on CFC or on HCFC in cleaning or drying applications on solid surfaces (in particular defluxing), the invention provides azeotropic or near-azeotropic compositions based on 1,1,1,3,3-pentafluorobutane, on dichloromethane, on methanol and on 1,1,1,2,3,4,4,5,5,5-decafluoropentane.

Abstract: In order to replace compositions based on CFC or on HCFC in cleaning or drying applications on solid surfaces (in particular defluxing), the invention provides azeotropic or near-azeotropic compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane, on dichloromethane, on cyclopentane and on methanol.

Abstract: Compns. based on azeotropic or quasi-azeotropic mixts. of trichloroethylene and 1,1,1,2,3,4,4,5,5,5-decafluoropentane are useful for replacing CFC or HCFC in cleaning and degreasing of surfaces (e.g., defluxing of printed circuits) and drying of surfaces. The ability of these compns. to dry surfaces is improved by addn. of RCONR(CH2)nNHCOR surfactants (R=C14-22 alkyl, n=1-5).

Abstract: To replace compositions based on CFCs or CFHCs in applications for cleaning or drying solid surfaces (in particular defluxing), the invention proposes azeotropic or quasi-azeotropic compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane, 1,1,1,3,3-pentafluorobutane and, optionally, methanol.

Abstract: A composition for cleaning solid surfaces, under cold conditions, in non-aqueous medium consists essentially of a mixture of alkanes or cycloalkanes and at least one organic compound comprising at least one ketone function, the composition having a flashpoint above or equal to 40.degree. C. and below 55.degree. C., measured according to ASTM standard D56-70.

Abstract: The invention relates to a water repellent composition (<<Rain Repellent>>), comprising a hydrophobic agent and a solvent compatible with the hydrophobic active agent, characterized in that the solvent comprises at least one fluorinated hydrocarbon, liquid at ambient temperature, and in that the active hydrophobic agent is a compound of organopolysiloxane type.The invention also relates to a disposable pressurized container containing the above composition and an inert gas.The invention finds application in particular in the removal of water from a surface especially the windscreen of vehicles or aircraft.

Abstract: In order to replace compositions based on CFC or on HCFC in applications for cleaning or drying solid surfaces (in particular defluxing), the invention proposes azeotropic or virtually azeotropic compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane, methylene chloride and optionally methanol.

Abstract: The use of a mixture of cycloalkanes of general formula C.sub.n H.sub.2 (n+1-a) in which n is an integer ranging from 8 to 12 and a represents the number of rings as agent for cleaning and degreasing solid surfaces, e.g., printed circuits. The mixture has a flash point above 55.degree. C. (ASTM D56-70) and a distillation range of 175.degree. C. to 235.degree. C.

Abstract: The invention relates to a composition based on stabilized methylene chloride composed essentially of at least one 1,2-epoxyalkane and of at least one acetal, and preferably no nitroalkane.The composition according to the invention can be used for degreasing, cleaning and/or drying metal components.

Abstract: To replace compositions based on CFC or CFHC in applications for cleaning solid surfaces (in particular defluxing), the invention proposes azeotropic or quasi-azeotropic compositions based on 1,1,1,2,2,4,4-heptafluorobutane and a C.sub.1 -C.sub.3 alcohol.

Abstract: The invention relates to a composition based on stabilized methylene chloride composed essentially of at least one 1,2-epoxyalkane and of at least one acetal, and no nitroalkane.The composition according to the invention can be used for degreasing, cleaning and/or drying metal components.

Abstract: The subject of the invention is dewetting or degreasing compositions based on halogenated aliphatic solvents containing in solution at least one mono- or dialkyl phosphate of a fluorinated amine, at least one quaternary ammonium mono- or dialkylphosphate and optionally a quaternary ammonium chloride.

Abstract: To replace 1,1,2-trichloro-1,2,2-trifluoroethane (F113) in its applications to the cleaning and drying of solid surfaces, the invention propose to employ a (perfluoroalkyl)ethylene of formula:R.sub.f CH.dbd.CH.sub.2in which R.sub.f denotes a linear or branched perfluoroalkyl radical containing from 3 to 6 carbon atoms.In contrast to F113, (perfluoroalkyl)ethylenes are not liable to degrade stratospheric ozone.

Abstract: To replace cleaning compositions based on 1,1,2-trichloro-1,2,2-trifluoroethane (F113), the invention provides a composition comprising, by weight, 30 to 69% 1,1,1,3,3-pentafluorobutane (F365-mfc), 30 to 60% methylene chloride and 1 to 10% methanol. These three compounds form a positive azeotrope (B.p.=32.1.degree. C. at normal pressure).The composition, optionally stabilized, can be used for the cleaning and/or the drying of solid surfaces, in particular for removing flux from printed circuits and for degreasing mechanical components.