Abstract: A process for the continuous production of 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and/or 1-chloro-1,1,3,3,3-pentafluoropropane (HCFC-235fa) in the liquid phase wherein the HFC-235fa and/or HFC-236fa serve as solvents for the reaction. When the reaction is conducted in the presence of a catalyst of SbF.sub.3, SbF.sub.5 or a mixture of SbF.sub.5 and HSO.sub.3 F, the reaction mass is unexpectedly less corrosive to the reaction vessel used.

Abstract: A liquid and vapor phase processes for the production of difluoromethane in which the risk of exposure to, and equipment fouling from, chlorofluoromethane is reduced. This reduction is accomplished from removing a sidestream containing monochloromonofluoromethane from a fluorination process distillation column.

Abstract: The invention provides a process for production of 1,1,1,2,3,3,3-heptafluoropropane, HFC-227ea. In particular, the invention provides an inexpensive process for producing HFC-227ea in good yield by reacting 1,1,1,3,3,3-hexafluoropropane, HFC-236fa, with elemental fluorine in an inert gas.

Abstract: An improved thermal energy storage system and a process for thermal energy storage and transfer are disclosed. The cooling medium, a clathrate forming mixture, comprises water, and a hydrofluorocarbon having at least three carbon atoms and a molecular diameter less than about 7 .ANG.. Preferably the hydrofluorocarbon is selected from hydrofluoropropanes and more preferably is selected from the group consisting of CHF.sub.2 CHFCHF.sub.2, CF.sub.2 HCF.sub.2 CH.sub.2 F, CF.sub.3 CHFCH.sub.2 F, CF.sub.3 CH.sub.2 CF.sub.2 H, CF.sub.3 CF.sub.2 CH.sub.3, CF.sub.3 CHFCF.sub.2 H, CF.sub.3 CH.sub.2 CF.sub.3, CF.sub.3 CF.sub.2 CF.sub.2 H, CH.sub.2 FCF.sub.2 CF.sub.3, CHF.sub.2 CF.sub.2 CH.sub.3, CF.sub.3 CF.sub.2 CF.sub.2 CH.sub.3, CF.sub.3 CF.sub.2 CF.sub.2 CF.sub.2 H, and CF.sub.3 CFHCFHCF.sub.3.

Abstract: A process for producing a fluorinated olefin having the formula:CH.sub.3-a F.sub.a CH.dbd.CHClwhere a=1,2 or 3, said process comprising catalytically reacting a chlorinated organic compound with a fluorination agent under conditions sufficient to form said hydrofluorocarbon compound, said chlorinated organic compound having the formula:CH.sub.b Cl.sub.c F.sub.d CH.sub.e CHCl.sub.ewhere b=0, 1 or 2; c=0, 1, 2, or 3; d=0, 1, 2 or 3; and e=1 or 2 with the provisos that b+c+d=3, c+e>1 and b+e<4.

Abstract: The invention relates to a novel process for purifying HCFC-123 and HCFC-124 comprising:(a) reacting a fluorination reaction product comprising HCFC-123 and HCFC-123a and/or HCFC-124 and HCFC-124a wherein at least one of said HCFC-123a or HCFC-124a is present in an amount not less than 5 weight percent relative to HCFC-123 or HCFC-124 respectively in the product with anhydrous HF in the presence of a fluorination catalyst under conditions such that the amount of HCFC-123a and/or HCFC-124a relative to HCFC-123 and/or HCFC-124 respectively in the product is reduced to less than 5 weight percent.The pure product (i.e., HCFC-123 or HCFC-124) may be used in a variety of applications including solvent, refrigerant, sterilant gas and blowing agent applications.

Abstract: A method for separating hydrogen fluoride from a chemical mixture is provided. In the process of the invention, hydrogen fluoride is separated from a chemical mixture containing hydrogen fluoride by contacting the chemical mixture with a hydrogen fluoride binder. The separated hydrogen fluoride may be recovered from the hydrogen fluoride binder.

Abstract: An integrated manufacturing process for producing HFC-245fa, HFC-236fa or a mixture thereof by reaction of HCC-240fa, HCC-230 or a mixture thereof with HF. HCC-240fa, HCC-230 or a mixture thereof is reacted with hydrogen fluoride in a liquid phase in the presence of a fluorination catalyst. Optionally, produced HCl is removed by distillation. HF present is thereafter recovered by liquid-vapor extraction. Unsaturated compounds are then removed by photochlorination and HFC-245fa, HFC-236fa or a mixture thereof is obtained by distillation.

Abstract: Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 1,1-dichloro-1-fluoroethane are provided. The compositions of the invention are useful in the preparation of polyurethane and polyisocyanurate foams and as aerosol propellants.

Abstract: The present invention relates to a process for the preparation of compounds of the general formula I ##STR1## in which X and Y, independently of each other, represent hydrogen, fluorine, chlorine or bromine, but cannot simultaneously represent hydrogen, characterised in that compounds of the general formula II ##STR2## in which X and Y are defined as above, are reacted with aqueous ammonia under copper catalysis, and to intermediates for the preparation of compounds of the general formula I.

Abstract: A process for the preparation of a fluorinated acid such as trifluoroacetic acid, including admixing an hydrofluorocarbon, such as 1,1,1-trifluoroethane, with chlorine, an oxidizing agent and an additive to prevent or minimize decomposition; and irradiating the reaction mixture with a light source having a wavelength ranging from 2000 .ANG. to 14000 .ANG..

Abstract: This invention is related to the preparation of hydrofluorocarbons (HFCs). Specifically, it relates to the manufacture of 1,1,1,3,3-pentafluoropropane, CF.sub.3 CH.sub.2 CF.sub.2 H (HFC-245fa) by the steps comprising (1) the formation of CCl.sub.3 CH.sub.2 CCl.sub.3 by the reaction of CCl.sub.4 with vinylidene chloride; (2) the conversion of CCl.sub.3 CH.sub.2 CCl.sub.3 to CF.sub.3 CH.sub.2 CF.sub.2 Cl by reaction with HF in the presence of a fluorination catalyst, selected from TiCl.sub.4, SnCl.sub.4 or mixtures thereof; and (3) reduction of CF.sub.3 CH.sub.2 CF.sub.2 Cl to CF.sub.3l CH.sub.2 CF.sub.2 H.

Abstract: A process for producing benzophenone compounds is provided. Specifically, a process is provided for producing benzophenone compounds in which a diphenylmethane compound is reacted with manganese dioxide and a strong acid. The process yields the product benzophenone in high purity and good yield.

Abstract: The invention relates to the following novel silanes: methyl vinyl bis-(methyl isobutyl ketoximino) silane; methyl vinyl bis-(methyl amyl ketoximino) silane; methyl tris-(methyl isobutyl ketoximino) silane; vinyl tris-(methyl isobutyl ketoximino) silane; methyl tris-(methyl amyl ketoximino) silane; vinyl tris-(methyl amyl ketoximino) silane; tetrakis-(methyl isobutyl ketoximino) silane; tetrakis-(methyl amyl ketoximino) silane; methoxy tris-(methyl isobutyl ketoximino) silane; ethyl tris-(methyl isobutyl ketoximino) silane; ethoxy tris-(methyl isobutyl ketoximino) silane; methoxy tris-(methyl amyl ketoximino) silane; ethyl tris-(methyl amyl ketoximino) silane; ethoxy-tris-(methyl amyl ketoximino) silane; and mixtures thereof.

Abstract: A method for the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) and 1-chloro-3,3,3-trifluoropropene (HCFC-1233). 1,1,1,3,3-pentachloropropane (HCC-240fa) is fluorinated with HF in a vapor phase in the presence of a vapor phase catalyst. The HCFC-1233 and any co-produced 1,3,3,3-tetrafluoropropene (HFC-1234) are recycled for further fluorination by HF for a greater than 99% HCC-240fa conversion.

Abstract: A process for minimizing the compositional changes that occur in a non-azeotropic composition during the withdrawal of an amount of the composition from a storage vessel. The process of the invention provides for the minimization of compositional changes by cooling the non-azeotropic composition.

Abstract: A process for the preparation of 1,1,1,3,3-pentachloropropane (HCC-240fa). HCC-240fa is prepared by the photochlorination of 1,1,1,3-tetrachloropropane (HCC-250). HCC-240fa is an important intermediate in the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) an HFC blowing agent which is not destructive to the ozone layer.

Abstract: A protective bottle jacket for transporting a container, bottle or the like is provided. The protective jacket has a bottom portion having a base and walls projecting upwardly from the base for receiving and protecting the bottom portion of the container and a top portion having walls for covering the top portion of the container. The protective jacket has means for selectively and releasably interlocking the bottom and top portions together. The interlocking means comprises a male member disposed on one of the bottom and top portions and a passage disposed on the other of the bottom and top portions for slidably receiving the male member between an unlocked and locked position in response to rotation of the top and bottom jacket portions, wherein the passage lockably receives the male member and attaches the top and bottom portions together in the locked position and wherein the male member does not lockably engage the passage in the unlocked position.

Abstract: The present invention relates to foam compositions which are expanded with hydrohalocarbon blowing agents in the presence of catalysts which result in a decreased amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during the polymerization. Thus, the present invention provides compositions comprising polyisocyanate, polyol, hydrohalocarbon blowing agent, surfactant, and at least one catalyst for polymerization of the polyisocyanate and polyol wherein the catalyst is less volatile than N,N-dimethylcyclohexylamine or the catalyst is a tertiary amine having at least one isocyanate-reactive functionality selected from the group consisting of --OH and --NH-- and the catalyst results in a decreased amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during polymerization of the polyisocyanate and the polyol and especially during use of the foam samples at a temperature of at least about 54.degree. C.

Abstract: Novel azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and C.sub.1 -C.sub.3 alcohols or mixtures thereof are useful in solvent cleaning.