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Matches 451 - 500 out of 6,382

Document Document Title
WO/2005/037744A1
A process for the manufacture of CF3CH2CHF2 and CF3CH2CF3 is disclosed. The process involves (a) reacting HF and at least one halopropene of the formula CX3CCl=CClX (where each X is independently F or Cl) to produce a product including b...  
WO/2005/037742A1
A process is disclosed for the manufacture of 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and at least one 1,1,1,2,3,3-hexafluoropropane (HFC-236ea) and 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea). The process involves (a) reacting HF, Cl...  
WO/2005/037741A1
The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1-trifluoroethane (HFC-143a) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an interm...  
WO2005012212A3
The invention provides an economic process for the manufacture of 1,3,3,3tetrafluoropropene (HFC-1234ze) by a two stage process. A hydr6fluorination of 1-chloro-3,3,3-trifluoropropene (HCFC-1233zd) into 1-chloro.-1,3,3,3 tetrafluoropropa...  
WO2005012214A3
The invention provides a process for the manufacture of fluoropropianes, and more particularly, the manufacture of 1, 1, 1,3,3,3 -hexafluoropropane (HFC23 6fa) and 1, 1, 1,2,3,3,3 -heptafluoropropane (HFC-22,7ea). The process utilizes 3Â...  
WO/2005/021437A1
A material composition is disclosed which is preferably used for synthesizing a porous metal fluoride which has a large surface area and is stable in a corrosive environment. A porous metal fluoride obtained by subjecting such a material...  
WO/2005/019141A2
A process for producing hexafluoroethane, comprising a step of distilling a crude hexafluoroethane containing chlorine compounds each having two carbon atoms to distill out hexafluoroethane as a top flow from the top of a distillation co...  
WO/2005/012212A2
The invention provides an economic process for the manufacture of 1,3,3,3tetrafluoropropene (HFC-1234ze) by a two stage process. A hydr6fluorination of 1-chloro-3,3,3-trifluoropropene (HCFC-1233zd) into 1-chloro.-1,3,3,3 tetrafluoropropa...  
WO/2005/012214A2
The invention provides a process for the manufacture of fluoropropianes, and more particularly, the manufacture of 1, 1, 1,3,3,3 -hexafluoropropane (HFC23 6fa) and 1, 1, 1,2,3,3,3 -heptafluoropropane (HFC-22,7ea). The process utilizes 3Â...  
WO2004037913A3
The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, ...  
WO/2004/105929A2
A method and system for reactively destroying alkyl halides in volume or stream of gas. The method and device employ nucleophilic reaction of the alkyl halide under phase transfer catalysis conditions. The method and system are useful fo...  
WO/2004/099109A1
Provided are azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene that are useful as an intermediate in the production of HFC-245fa. HFC-245fa is useful as a nontoxic, zero...  
WO/2004/081092A1
A composition which comprises 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,3,3-pentafluoropropane (HFC-245fa) in a weight ratio HFC-365mfc/HFC-245fa of from 60:40 to 75:25.  
WO2003084688A3
Figure 1 shows the method and system for generating a metal thin film (170) with a uniform crystalline orientation and a controlled crystalline microstructure are provided. For example, a metal layer is irradiated with a pulse laser (111...  
WO/2004/045763A1
A porous aluminum fluoride having SbClxF5-x, wherein x represents a number of 0 to 5, carried thereon which is produced by allowing a porous aluminum fluoride to carry SbCl5 thereon, and treating the resultant product with hydrogen fluor...  
WO/2004/037752A2
Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene ('HFO-1243zf'), 1,1-difluoroethane ('HFC-152a'), trans-1,3,3,3-tetrafluoropropene ...  
WO/2004/037913A2
The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, ...  
WO2004018093A3
A crystalline alpha-chromium oxide where from about 0.05 atom % to about 6 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by trivalent cobalt (Co<+3>) atoms is disclosed. Also disclosed is a chromium-contai...  
WO2004018394A3
The invention relates to a pentafluoroethane production method, whereby tetrafluoroethylene is reacted with a hydrofluoride having an organic nitrogenous base at a temperature greater than 100 DEG C but which does not exceed 160 DEG C  
WO2003077034A3
This invention concerns radiation durable organic compositions which are well-suited for use in 157 nm lithography by virtue of their high transparency and excellent radiation durability, and to a process for the preparation thereof.  
WO/2004/018397A1
A process for the preparation of 2-chloro-1,1,1,3,3,3-heptafluoropropane is disclosed which involves (a) contacting a mixture comprising hydrogen fluoride, chlorine, and at least one starting material selected from the group consisting o...  
WO/2004/018093A2
A crystalline alpha-chromium oxide where from about 0.05 atom % to about 6 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by trivalent cobalt (Co+3) atoms is disclosed. Also disclosed is a chromium-containi...  
WO/2004/018095A1
A crystalline alpha-chromium oxide where from about 0.05 atom % to about 2 atom % of the chromium atoms in the alpha-chromium oxide lattice are substituted by nickel atoms, and optionally, additional chromium atoms in the alpha-chromium ...  
WO/2004/018394A2
The invention relates to a pentafluoroethane production method, whereby tetrafluoroethylene is reacted with a hydrofluoride having an organic nitrogenous base at a temperature greater than 100 °C but which does not exceed 160 °C  
WO/2004/018396A1
A process for the preparation of pentafluoroethane is disclosed which involves contacting a mixture comprising hydrogen fluoride and at least one one starting material selected from haloethanes of the formula CX3191CHX2 and haloethenes o...  
WO2003066214A3
The invention relates to a catalyst-composition for the oxychlorination of ethylene, containing a mixture of metal salts on a support, whereby the above-mentioned metal salts are applied to the support in such ratio proportions that the ...  
WO/2004/005225A1
A process for the preparation of fluorine-containing alkyl halides represented by the general formula (II): Rf-CH2CH2X (II) [wherein X is halogeno; and Rf is perfluoroalkyl having 1 to 20 carbon atoms or polyfluoroalkyl having 1 to 20 ca...  
WO/2004/005226A1
ABSTRACT A process comprising bringing crude pentafluoroethane containing at least one compound selected from the group consisting of hydrofluorocarbons containing one carbon atom, hydrochlorofluorocarbons containing one carbon atom and ...  
WO2003004463A9
The invention concerns fluorofunctional statistical polymers of formula (V1), wherein: X, Y and Z represent a hydrogen atom and exhibiting in particular low glass transition temperatures obtained in particular from a monomer of formula (...  
WO2003068737A3
The present invention is directed to labeled compounds, [<2 >111, <13>C],< >[<2 >H2, 13C] and [<2 >H3, <13>C]methyl aryl sulfides wherein the <13>C< >methyl group attached to the sulfur of the sulfide includes exactly one, two or three d...  
WO/2003/095405A1
A guest-host assembly having a generally spheroidal host assembly formed of trimers of calixarene molecules in a hexagonal close-packed assembly and its preparation. The calixarene trimers are associated together predominantly by van der...  
WO/2003/091199A1
The invention relates to a method for converting a tertiary OH group of an organic compound into a tertiary CI group of said organic compound using a solvent selected from the group containing toluene, o-xylene, m-xylene, p-xylene and mi...  
WO/2003/091188A1
A process for the separation of HCFC-124 from its isomer HCFC-124a, comprising the continuous feeding of a mixture of the two isomers on molecular sieves having sizes comprised between 4Ã… and 10Ã…, and the desorption of HCFC-124 by heat...  
WO/2003/089391A1
A process for economically producing 1,1,1,3,3−pentachloropropane under conditions which preserve the activity of the catalyst. In a preferred embodiment, a two−stage distillation process is employed. In the two−stage process, the ...  
WO2003029173A3
Methods and materials are provided for the production of essentially isomerically pure perhalogenated and partially halogenated compounds. One embodiment of the present invention provides a process for the production of essentially isome...  
WO/2003/087111A1
The invention relates to a method for producing monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates, and perfluoroalkylphosphonates, according to which at least one perfluoroalkylphosphorane is treated with at least one base in a...  
WO2002100809A3
A process is provided for the stabilization of polychlorinated alkanes against dehydrochlorination. The process comprises adding a phenol compound to a polychlorinated alkane such that the dehydrochlorination of the polychlorinated alkan...  
WO/2003/084688A2
Figure 1 shows the method and system for generating a metal thin film (170) with a uniform crystalline orientation and a controlled crystalline microstructure are provided. For example, a metal layer is irradiated with a pulse laser (111...  
WO/2003/082784A1
An improved liquid phase process is provided for the fluorination of perchloroethylene to 1,1-dichloro-2,2,2-trifluoroethane in the presence of an antimony catalyst.  
WO2001027057A8
A process for removing a chlorinated methane impurity from a stream comprising of halogenated compound other than the chlorinated methane impurity, the process comprising contacting the stream with a polymer adsorbent to produce a purifi...  
WO/2003/080549A1
A high-purity pentafluoroethane is produced through a process comprising (1) a step of fluorinating tetrachloroethylene to obtain a crude pentafluoroethane containing impurities and (2) a step of bringing the crude pentafluoroethane cont...  
WO2002059068A3
The invention relates to azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa) and hydrogen fluoride, which are useful as intermediates in the production of HCFC-244fa.  
WO/2003/077034A2
This invention concerns radiation durable organic compositions which are well-suited for use in 157 nm lithography by virtue of their high transparency and excellent radiation durability, and to a process for the preparation thereof.  
WO2003000626A3
Process for the treatment of by-products from a reaction for the production of organic compounds comprising a stage of evaporation of a liquid phase comprising heavy by-products on a surface, in order to form a concentrated phase compris...  
WO2003004445A3
Tetrachloroethylene containing a stabilizer is contacted with a zeolite having an average pore size of 3.4 to 11 and/or a carbonaceous adsorbent having an average pore size of 3.4 to 11 in a liquid phase to obtain a high purity tetrachlo...  
WO/2003/068737A2
The present invention is directed to labeled compounds, [2 111, 13C], [2 H2, 13C] and [2 H3, 13C]methyl aryl sulfides wherein the 13C methyl group attached to the sulfur of the sulfide includes exactly one, two or three deuterium atoms a...  
WO/2003/068716A1
The present invention involves processes that utilize an olefinic compound, in particular, hexafluoropropene (HFP) or chlorotrifluoroethene (CFC−1113) as extracting agents in the purification of pentafluoroethane (HFC−125). These pro...  
WO/2003/068717A1
The invention relates to the use of a composition on the basis of stabilized trichloroethylene with an amine and a phenol as starting materials, particularly for synthesizing hydrofluoroalkanes (HFA).  
WO/2003/066210A1
The invention relates to a liquid phase fluorination reactor. The inventive reactor comprises, by way of a heating means, an element which is fixed to the cover thereof in such a way that it extends down the bottom of the tank. The inven...  
WO/2003/066214A2
The invention relates to a catalyst-composition for the oxychlorination of ethylene, containing a mixture of metal salts on a support, whereby the above-mentioned metal salts are applied to the support in such ratio proportions that the ...  

Matches 451 - 500 out of 6,382