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WO/2006/009630A2 |
A method and system for storing and evolving hydrogen employ chemical compounds that can be hydrogenated to store hydrogen and dehydrogenated to evolve hydrogen. A catalyst lowers the energy required for storing and evolving hydrogen. Th...
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WO/2005/123635A1 |
The invention relates to a method for the production of 1,2-dichlorethane having a high purity of dissolved chlorine and dissolved ethylene, which are brought into contact with each other using a liquid reaction medium which is guided in...
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WO/2005/113137A1 |
A process for the hydrodechlorination of carbon tetrachloride to produce chloroform utilizes a supported catalyst having a bimetallic composition of platinum and iridium. The bimetallic catalyst may be promoted with small amounts of a th...
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WO/2005/108332A1 |
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises reacting a compound of the formula (I) CHFX2 with a compound of formula (II) CH2=CF2 to produce a reaction product comprising a compound of formula (II...
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WO/2005/102983A1 |
A mixture of fluoroalkylalcohols of the formula C2F5(CF2CF2)nCH2CH2OH (n is an integer of ≥0) wherein the sum of such fluoroalkylalcohols of n=3 and n=4 contained is ≥ 85 mol% is provided. This mixture is reacted with an acrylic acid...
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WO/2005/102982A1 |
A mixture of fluoroalkyl iodides of the formula C2F5(CF2CF2)nI (n is an integer of ≥0) wherein the sum of such fluoroalkyl iodides of n=3 and n=4 contained is ≥ 85 mol% is provided. This mixture is subjected to ethylene addition and ...
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WO/2005/097716A1 |
A process for the production of difluoromethane (HFC-32), 1,1,1-trifluoroethane (HFC-143a) and 1,1-difluoroethane (HFC-152a). In the process the following steps are employed: (a) providing a reaction vessel, (b) providing in the reaction...
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WO/2005/092820A2 |
Various 13C and 14C carbon labeled compounds Rf-bCF(U)y(T)z Formula 1A or Rf-bCF2bCF(U)y(T)z Formula 1B wherein Rf is a linear or branched perfluoroalkyl radical Z(CmF2m)-, m is 1, 3 to 20, or a mixture thereof; Z is F when m is 1, and Z...
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WO/2005/090271A2 |
Method for the analysis of the content of organic impurities in 1,1,1,2-tetrafluoroethane, in which (a) the 1,1,1,2-tetrafluoroethane is subjected to a gas chromatography operation and; (b) an operation is carried out in which the organi...
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WO/2005/090270A1 |
A method for producing a fluorine-containing halide is characterized in that a fluorine-containing sulfonyl halide or a fluorine-containing disulfonyl chloride is reacted with a metal halide, a metal or the like in a solvent or without a...
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WO/2005/090267A2 |
Methods and reagents for labeling synthesis of organohalides by transition metal mediated carbonylation reactions using carbon-isotope labeled carbon monoxide are provided. The resultant carbon-isotope labeled organohalides are useful as...
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WO/2005/087693A2 |
The present invention is drawn to liquid perfluoro-n-alkanes that are highly transparent to UV wavelengths ranging from about 150 nm to 165 nm, and to the method by which high transparency may be obtained. The liquid perfluoro-n-alkanes ...
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WO/2005/080303A1 |
Product stream processing methods, systems, and mixtures are provided. A reaction product stream can have a first amount of a halogen exchange by product and an azeotropic composition of a halogen exchange reaction product and a halogen ...
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WO/2005/074639A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups with r...
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WO/2005/074593A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups with r...
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WO/2005/074637A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups with r...
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WO/2005/074528A2 |
Compositions are provided that can include RF(RT)nQ, formula I (I), formula II (II), and/or RCI(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant -CF3 group, n can be at least 1, the ...
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WO/2005/074594A2 |
Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol’s, reacting olefins and a saturated compounds, reacting reactants having at least two -CF3 groups wit...
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WO/2005/058781A1 |
Disclosed are improved fluorination processes and fluorine-containing compositions which involve introducing to one or more fluorination process compositions a water reactive agent in an amount and under conditions effective to decrease ...
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WO/2005/058489A1 |
A selective catalyst composition is disclosed which includes Cr2O3 having a BET surface area of from about 1 to about 7 m2. Also disclosed are a method for preparing the selective catalyst composition which involves calcining &agr -chrom...
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WO/2005/054128A2 |
Methods and systems for labeling synthesis of phosgen by UV light are provided. Methods of synthesizing labeled compounds useful as PET tracers from labeled phosgen are also provided. The resultant carbon-isotope labeled compounds are us...
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WO/2005/037743A1 |
A process is disclosed for the manufacture of CF3CH2CHF2 and CF3CHFCH2F. The process involves (a) reacting hydrogen fluoride, chlorine, and at least one halopropene of the formula CX3CCl=CClX (where each X is independently F or Cl) to pr...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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 ...
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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, ...
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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...
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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...
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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 ...
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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
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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...
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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...
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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 ...
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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 (...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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.
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