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WO/2008/027604A2 |
RF-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.
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WO/2008/027603A1 |
The present disclosure relates to non-ignitable gaseous compositions comprising difluoromethane and tetrafluoroethylene. When the pressure is at least 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous com...
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WO/2008/015714A2 |
The object of the present invention is a process for the preparation of 1,1-dichloro-2-alkyl-1-ethylene and in particular, 1, 1-dichloro-3,3-dimethyl-1-butene. These compounds are useful intermediates for the preparation of the correspon...
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WO/2008/008351A2 |
A process is disclosed to increase the Z/E ratio of 1,2,3,3,3 pentafluoropropene. The process involves contacting a starting material comprising 1,2,3,3,3 pentafluoropropene with a catalyst on AlF3 or carbon, wherein the catalyst is sele...
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WO/2008/008519A2 |
Disclosed is a process for separating fluoroolefin from a composition comprising HF and fluoroolefin, said process comprising extracting said composition with an extractant. Also disclosed is a composition comprising HF, at least one flu...
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WO/2008/008350A2 |
A process is disclosed for making CF3CF=CHF. The process involves contacting at least one hexafluoropropane selected from the group consisting of CF3CF2CH2F and CF3CHFCHF2 with a chromium oxyfluoride catalyst in a reactor to obtain a pro...
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WO/2008/005920A2 |
Disclosed are cover gas compositions comprising fluoroolefins for impeding the oxidation of molten nonferrous metals and alloys, such as magnesium. The cover gas compositions typically comprise C2-C6 fluoroolefins. Preferably the compoun...
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WO/2008/001844A1 |
A process for industrially advantageously producing high-purity hexafluoropropylene; and a use of this high-purity hexafluoropropylene, specifically, a cleaning gas for removing deposits in a semiconductor manufacturing apparatus or liqu...
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WO/2008/002499A2 |
A process is disclosed for producing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. The process involves pyrolyzing 1,1,1,2,3-pentafluoropropane.
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WO/2008/002501A2 |
A process is disclosed for making CF3CF=CHF. The process involves reacting CF3CCIFCCI2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF=CHF. The catalyst has a catalytically effectiv...
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WO/2007/144599A2 |
The invention relates to processes for the production of fluorinated cyclopropanes In particular, the invention relates to a process for the preparation of fluorinated cyclopropanes for use in compositions, often in heat transfer composi...
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WO/2007/145171A1 |
Disclosed is a method for producing 1,3,3,3-tetrafluoropropene by subjecting 1,1,1,3,3-pentafluoropropane to a hydrogen fluoride elimination reaction in a gas phase in the presence of a catalyst. This method for producing 1,3,3,3-tetrafl...
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WO/2007/142244A1 |
Disclosed are a novel polyfluorodiene, a production method thereof, and a novel fluorine-containing polymer. Specifically disclosed are a compound represented by the following formula: CF2=CFCH2CHR(CH2)mCX=CH2, a polymer having a repeati...
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WO/2007/125972A1 |
Disclosed is a method for commercially producing hexafluoro-1,3-butadiene, which can be used as an etching gas for semiconductor microfabrication, safely at low cost. Specifically disclosed is a method for producing hexafluoro-1,3-butadi...
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WO/2007/123786A1 |
A process is disclosed for reducing the mole ratio of (1) compounds of the formula Y1Y2C=CF2 wherein Y1 and Y2 are each independently H, F, CI, Br, C1-C6 alkyl or C1-C6 haloalkyl containing no more than 3 chlorine substituents, 2 bromine...
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WO/2007/117390A1 |
A process for separating 1,2,3,3,3-pentafluoropropene from a first mixture comprising 1,2,3,3,3-pentafluoropropene and 1,1,3,3,3- pentafluoropropene is disclosed. The process involves (a) contacting the first mixture with at least one ex...
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WO/2007/117391A1 |
Disclosed is a process for the co-manufacture of the hydrofluoroolefins HFC-1225ye and HFC-1234yf. The process comprises contacting a blend of 1,1 ,1, 2,3,3-hexafluoropropane and 1,1,1,2,3- pentafluoropropane at a temperature of from abo...
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WO/2007/114359A1 |
Disclosed is a process for production of a perfluoroalkine compound, which comprises: an addition reaction step for adding Cl2, Br2 or I2 to a compound of the formula (1): CH3C≡CR1 to produce a compound of the formula (2): CH3CX2CX2R1;...
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WO/2007/110379A1 |
A process for the manufacture of 1,1,1,3,3-pentafluoropropane which comprises adding hydrogen fluoride to 1,1,1,3-tetrafluoropropene in the substantial absence of metal catalyst. Another embodiment provides for the manufacture of 1,1,1,3...
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WO/2007/094965A1 |
Describes an integrated process for preparing 1,2-dichloroethylenes. In the described process organic feed material, e.g., C2 - C4 aliphatic hydrocarbons and/or chlorinated derivatives of such aliphatic hydrocarbons, is introduced into a...
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WO/2007/079435A2 |
Disclosed is a process for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of Formula (I): C(X)3CF2C(X)3 (I) to at least one compound of Formula (II) CF3...
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WO/2007/079431A2 |
Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF3CF=CH2 (1234yf). Three steps may be used in preferred embodiments in which a feedstock such as CCI2=CCICH2CI (which may be p...
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WO/2007/063938A1 |
Disclosed are: a method for purification of an unsaturated fluorinated carbon compound, which is characterized by contacting a crude product of an unsaturated fluorinated carbon compound represented by the formula:C5F8 or C4F6 with a bor...
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WO/2007/058760A1 |
Production Processes and Systems. Halocarbon production processes are described that can include providing a reactant mixture including a halogenating reagent and a halocarbon reactant. The processes can also include reacting the halogen...
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WO/2007/056128A1 |
Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m (I) to at least one compound of formula (II) CF3C...
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WO/2007/056194A1 |
Disclosed are methods for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CHXCH2X (I) to at least one compound of formula (II) CF3CZCH...
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WO/2007/056148A1 |
A method for preparing fluorinated organic compounds comprising contacting hydrogen fluoride with at least one compound of formula (I): CX3CXYCH3 where each X is independently Cl, I or Br, and each Y is independently H or F, said contact...
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WO/2007/056127A1 |
Disclosed is a process for the preparation of fluorinated C3 olefins comprising contacting a compound of the Formula (I): C(R1 aR2 bR3 c), with a compound of Formula (II) C(R1 aR2 bR3 c)Cn(R1 aR2 bR3 c): wherein R1 a , R2 b, and R3 c are...
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WO/2007/056149A1 |
Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m to at least one compound of formula (II) CF3CZCHZ...
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WO/2007/053672A2 |
Disclosed is a method for removing residue from a surface comprising: contacting the surface with a composition comprising at least one unsaturated fluorinated hydrocarbon selected from the group consisting of compounds having the formul...
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WO/2007/052089A1 |
The invention relates to a process for purification of 1-halo-6,6-dimethyl-hept-2-ene-4-yne of Formula (I), wherein X represents a halogen atom subjecting crude 1-halo-6,6-dimethyl-hept-2-ene-4-yne to distillation under reduced pressure ...
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WO/2007/053736A2 |
Disclosed herein are azeotrope or near-azeotrope compositions comprising 2,3,3,3-tetrafluoropropene (HFC-1234yf) and hydrogen fluoride (HF). These compositions are useful in processes to produce and purify HFC-1234yf. Additionally, discl...
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WO/2007/053738A2 |
Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene. Additionall...
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WO/2007/053688A2 |
Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene.
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WO/2007/053735A2 |
Disclosed herein are azeotrope and near-azeotrope compositions comprising 1,1,1,2,2,4,5,5,6,6,7,7,7-tridecafluoro-3-heptene (HFC-162-13mczy, CF3CF2CH=CFCF2CF2CF3) and 1,1,1,2,2,3,5,5,6,6,7,7,7-tridecafluoro-3-heptene (HFC-162-13mcyz, CF3...
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WO/2007/053689A2 |
Disclosed herein are azeotrope and near-azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and hydrogen fluoride. These azeotrope and near-azeotrope compositions are useful in processes to produce E-1,3,3,3-tetrafluoropropene...
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WO/2007/053178A1 |
Disclosed herein are processes for the production of hydrofluoroolefins by dehydrofluorination. Also disclosed herein are processes for separation of hydrofluoroolefins from hydrofluorocarbons and from hydrogen fluoride.
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WO/2007/019355A1 |
A process for the manufacture of CF3CH=CHF and/or CF3CF=CH2 is disclosed. The process involves (a) reacting HF and chlorine and at least one halopropene of the formula CX3CCI=CCIX (where each X is independently F or Cl) to produce a prod...
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WO/2007/019359A1 |
A process is disclosed for the manufacture of 1 ,1 ,1 ,3,3,3- hexafluoropropane and 1 ,1 ,1 ,2,3,3-hexafluoropropane, hexafluoropropene and/or 1 ,1 ,1 ,2,3,3,3-heptafluoropropane. The process involves (a) reacting HF, Cl2, and at least o...
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WO/2007/019357A1 |
A process for the manufacture of CF3CH2CHF2 and/or CF3CH2CF3 is disclosed. The process involves (a) reacting HF and at least one halopropene of the formula CX3CCI=CCIX (where each X is independently F or Cl) to produce a product includin...
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WO/2007/019354A1 |
A process for the manufacture of CF3CH=CF2 and CF3CF=CHF is disclosed. The process involves (a) reacting HF and chlorine and at least one halopropene of the formula CX3CCI=CCIX (where each X is independently F or Cl) to produce a product...
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WO/2007/016359A2 |
Compositions and methods for making compositions such as RF(Rτ)nQ are provided. The RF group can include at least two -CF3 groups, the Rτ group can be a group having at least two carbons, n can be at least 1 , and the Q group can inclu...
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WO2006091758B1 |
Embodiments of the disclosure provide catalyst compositions that can include a substrate, chromium, and at least one alkali metal Production processes are provided for removing a catalyst composition from a solution with the catalyst com...
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WO/2006/124335A1 |
A method for preparing fjuorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 car...
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WO/2006/119005A1 |
Perfluoro-4-methyl-2-pentene containing the undesirable perfluoro-2-methyl-2-pentene may be purified by contacting the mixture with at least a stoichiometric equivalent of an aqueous inorganic base (relative to the perfluoro-2-methyl-2-p...
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WO/2006/098466A1 |
A vinyl chloride monomer composition characterized in that the vinyl chloride monomer contains a chlorinated saturated hydrocarbon in a concentration of 45-200 ppm by mass. The vinyl chloride monomer composition has excellent polymerizab...
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WO/2006/090042A1 |
The invention concerns a trans-1,2 dichloroethylene composition. More particularly, the invention concerns a non-flammable composition comprising trans-1,2 dichloroethylene and at least two hydrofluorocarbons and uses thereof.
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WO/2006/086683A2 |
The present invention relates to compositions comprising HFC-63-14mcee (1, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 6, 7, 7, 7,- tetradecafluoroheptane). The compositions may be azeotropic or azeotrope-like and are useful in cleaning applications, ...
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WO/2006/077727A1 |
Disclosed is a method for producing octafluoro-1,4-pentadiene comprising an addition reaction step wherein a compound represented by the formula (1) below is obtained by adding Cl2, Br2 or I2 to 1,4-pentadiene; a fluorination reaction st...
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WO/2006/067190A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which : a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents;...
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