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Class 570/136 - Fluorine is sole halogen


Subclass of Class 570 - Organic compounds -- part of the class 532-570 series
Definition: Compound wherein the only halogen present is fluorine.
No. of patents: 87
Last issue date: 04/03/2012


1      
NumberTitleIssue Date
8148585Fluoroolefin iodide mixture and method for producing the same
Disclosed is a mixture of fluoroolefin iodides represented by the general formulae: CnF2n+1CF2CH═CF(CF2CF2)mI [Ia] and CnF2n+1CF═CHCF2(CF2CF2...
04/03/2012
8063257Method for producing 2,3,3,3-tetrafluoropropene
A method for preparing 2,3,3,3-tetrafluoropropene comprising contacting a reactant comprising CCl2═CFCH2Cl with a fluorinating agent, such as HF, under conditions effective to produce a reaction product comprising CF3CF═CH2
11/22/2011
8049046Refrigerant additive compositions containing perfluoropolyethers
The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, cooling capacity, or energy efficiency of a refrigeration, air conditioning or heat transfer system. ...
11/01/2011
7659434Method for producing fluorinated organic compounds
A method for preparing fluorinated organic compounds comprising contacting hydrogen fluoride with at least one compound of formula I: CX3CXYCH3  I where each X is independently Cl, I or Br, and each Y is independently H ...
02/09/2010
7652179Gas for plasma reaction, process for producing the same, and use thereof
A gas for plasma reaction comprising a chainlike perfluoroalkyne having 5 or 6 carbon atoms, preferably perfluoro-2-pentyne. This plasma reaction gas is suitable for dry etching for formation of a fine pattern, for plasma CVD for formation of a thin film, and for pl...
01/26/2010
7371904Processes for synthesis of 1,3,3,3-tetrafluoropropene
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF3X1 with a compound of CX2H═CHX3, wherein X1, X2, and X3
05/13/2008
7312367Method of making 1,1,3,3,3-pentafluoropropene
The invention provides an economic process for the manufacture of the hydrofluorocarbon 1,1,3,3,3-pentafluoropropene (HFC-1225zc). HFC-1225zc can be made from the dehydrochlorination of 1-chloro-1,1,3,3,3-pentafluoropropane (HCFC-235fa). Alternatively, HFC-1225zc ca...
12/25/2007
7312288Polymerizable fluorinated ester compounds and their preparing processes
Polymerizable fluorinated ester compounds having formulae (1) and (2) are novel wherein R1 is H, methyl or trifluoromethyl, R2 and R3 are H or a monovalent hydrocarbon group, R2 and R3 may form a ring, R4
12/25/2007
7244545Fluorinated compound, fluoropolymer and process for its production
The present invention provides a fluorinated compound having functional groups in a high concentration so that adequate characteristics of the functional groups can be obtained and having high transparency in a wide wavelength region, a fluoropolymer, and a process ...
07/17/2007
7230146Process for producing fluoropropenes
Dehydrohalogenation processes for the preparation of fluoropropenes from corresponding halopropanes, in which the fluoropropenes have the formula CF3CY═CXNHP, wherein X and Y are independently hydrogen or a halogen selected from fl...
06/12/2007
7196235Process for producing fluorinated vinyl ether
There is provided a process for producing a fluorinated vinyl ether from a fluorinated acid fluoride compound having an ester group as a precursor of a carboxylic acid group, or a SO2F group as a precursor of a sulfonic acid group, in high yield by simple...
03/27/2007
7135601Catalytic method for the production of fluoroalkylenes from chlorofluorohydrocarbons
A process for producing a producing a product of the formula: R—CF═CHR1 wherein R is F or CF3 and R1 is F when R is F and is H when R is CF3 by reacting a reactant of the formula: CF...
11/14/2006
7091388Method of making 1,1,3,3,3-pentafluoropropene
The invention provides an economic process for the manufacture of the hydrofluorocarbon 1,1,3,3,3-pentafluoropropene (HFC-1225zc). HFC-1225zc can be made from the dehydrochlorination of 1-chloro-1,1,3,3,3-pentafluoropropane (HCFC-235fa). Alternatively, HFC-1225zc ca...
08/15/2006
7001647Perfluoroallyloxy compound and liquid crystal composition containing the same
A novel perfluoroallyloxy compound represented by general formula (I) and a liquid crystal composition containing the compound are disclosed. The perfluoroallyloxy compound is useful as a liquid crystal material ...
02/21/2006
6992229Method for purifying a fluorinated hydroxyl compound
The present invention has an object to provide a method for purifying a fluorinated hydroxyl compound of the formula 1 safely in a high yield under industrially practical conditions. Namely, a mixture containing a fluorinated hydroxyl compound of Rf—CR
01/31/2006
6900362Vapor phase production of 1,1,1,2,3,3,3-heptafluoropropane from hydrogen fluoride and hexafluoropropylene
A process for the production of HFC-227ea from HF and HFP is provided. This process takes advantage of an azeotropic composition of HF and HFC-227ea in order to produce HFC-227ea essentially free of HF and recycle unreacted HF back to the reactor. The recycle of sai...
05/31/2005
6858692Fluorinated compound, fluoropolymer and process for its production
A fluoropolymer having repeating units formed by cyclopolymerization of a functional group-containing fluorinated diene represented by the following formula: CF2═CR1-Q-CR2═CH2  (1) wherein each ...
02/22/2005
6849163Method for producing tetrafluoroethylene
There is provided a process for recovering tetrafluoroethylene wherein an amount of energy required to obtain TFE is reduced. In the process for producing a TFE mixture as an intended mixture which contains TFE at a higher concentration from a raw material mi...
02/01/2005
6818800Methods for providing low-molecular radicals, radical-carrying molecules, a polymerization catalyst containing them and processes for polymerization and polymers produced thereby
The present invention is to provide a method for providing a low-molecular radical which comprises releasing a radical having a lower molecular weight from a super-stable perfluoroalkyl-based radical followed by generating the above super-stable perfluoroalkyl-based...
11/16/2004
6710214Highly branched perfluoroolefins, super-stable perfluoroalkyl radicals and production methods thereof
The present invention is to provide a method for producing a highly branched perfluoroolefin conveniently in a high yield, a novel highly branched perfluoroolefin, a method for producing a super-stable perfluoroalkyl radical and a novel super-stable perfluoroalkyl r...
03/23/2004
6703533Preparation of selected fluoroolefins
A process is disclosed for producing (CF3)2 C.dbd.CH2, CF3 CH.dbd.CF2, CF2.dbd.C(CF3)OCF2 CHF2 and C6 H5 C(CF3).dbd.CF2.
03/09/2004
6689923Perfluoroolefin-hydrocarbon hybrid compound, method of producing the same and method of producing perfluoroalkyl radical
The present invention provides a perfluoroolefin-hydrocarbon hybrid compound represented by the following general formula (1): [(CF3)2 CX][(CF3)2 CY]C.dbd.C(CF3)Z (1) wherein X, Y and Z may be the same or dif...
02/10/2004
6632949Halogenating agents
Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th...
10/14/2003
6610896Process for production of perfluoroalkadienes
A process for preparing a perfluoroalkadiene compound of formula (I) (wherein n is an integer from 4 to 20) by the deiodofluorination of a compound of formula (II) (wherein n is as defined above), characterised in that said deiodofluorination is conducted in th...
08/26/2003
6540933Process for the production of hexafluoropropylene from CC1F2CC1FCF3 and azeotropes of CC1F2CC1FCF3 with HF
A process for the manufacture of CF3 CF.dbd.CF2 is disclosed. The process involves contacting 2,3-dichloro-1,1,1,2,3,3-hexafluoropropane with at least 0.1 mole of hydrogen in a reaction vessel of titanium, nickel or iron or their all...
04/01/2003
6458990Nitrogen-based halogenating agents and process for preparing halogen-containing compounds
Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th...
10/01/2002
6396680Monolithic capacitor and process for producing the capacitor
A monolithic capacitor including a sintered body formed from a TiO2 -containing reduction-resistant dielectric ceramic material; a plurality of internal electrodes which are formed inside the sintered body, the electrodes being formed of a base...
05/28/2002
6329529Nitrogen-based halogenating agents and process for preparing halogen-containing compounds
Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th...
12/11/2001
6284715Use of fluorinated solvents for application of fluorinated waxes on skis
Fluorinated solvents are used for the application of fluorinated waxes to skis without impairing the physico-mechanical characteristics of the ski sole. The fluorinated waxes are applied to skis in the form of a spray or an aerosol allowing for quick and ...
09/04/2001
6255543Partially fluorinated polymers
Selected novel partially fluorinated ଱,ω-dienes can be free radically (co)polymerized to form polymers in which cyclic structures are present. The polymers are useful for films, coatings and molded parts....
07/03/2001
6248889Process for converting an alcohol to the corresponding fluoride
A process for preparing a fluoride from its corresponding alcohol comprises the steps of (a) forming a mixture comprising (i) at least one fluorinated, saturated aliphatic or alicyclic sulfonyl fluoride (for example, perfluorobutanesulfonyl fluoride) and ...
06/19/2001
6096932Fluorocarbon manufacturing process
A process is disclosed for increasing the fluorine content of an olefinic compound of the formula Cn Hm F2n-m, where n is an integer from 2 to 6 and m is an integer from 1 to 2n. The process involves (a) contacting the ole...
08/01/2000
6072088Chemical compounds having two trifluoromethyl groups
A compound having the formula: CF3 CH2-w (H1-x CH2-y Rm R'n CH1-z)p H2-q CF3 wherein w=0, 1 or 2; x=0 or 1; y=0, 1 or 2; m=0, 1 or 2; n=0 or 1; z=0 or ...
06/06/2000
6031141Fluoroolefin manufacturing process
This invention provides a process for the manufacture of a fluoroolefin of the formula (R1)2 C.dbd.C(R1)2 wherein each R1 is independently selected from the group consisting of --H, --F, --CF3, ...
02/29/2000
5994599Halogenated ethers containing fluorine and processes for their manufacture
A process is disclosed for preparing an adduct of the formula R1 CF2 CH2 OCF3-a-m (C2 Hn X4-n F)m R2a wherein R1 is selected from the group...
11/30/1999
5965059Optically active compound, antiferroelectric liquid crystal composition containing the same, process for producing the same and process for producing an optically active carboxylic acid
An optically active compound which itself generally exhibits no antiferroelectric liquid crystal phase, but which can be added to an antiferroelectric liquid crystal or composition thereof having a high threshold voltage to reduce the threshold voltage of...
10/12/1999
5914423Difluorobutenes and difluorobutanes
A process for the preparation of a compound of formula (I): HetSCH2 CH2 CH.dbd.CF2 (I) wherein Het is an optionally substituted 5- or 6-membered heterocyclic ring, which comprises reacting a compound of formula ...
06/22/1999
5750808Dehydrohalogenation processes
A process is disclosed for the dehydrohalogenation of partially halogenated ethanes of the formula C2 Ha Clb Fc where a is an integer from 1 to 4, b is an integer from 0 to 3 and c is an integer form 1 to 5 to p...
05/12/1998
5728902Method for manufacturing 1,1,1,3,3-pentafluoropropene
A method for manufacturing 1,1,1,3,3-pentafluoropropene comprises the steps of adding 2-trifluoromethyl-3,3,3-trifluoropropionic acid under the presence of metal carbonate and/or metal hydrogencarbonate in an aprotic solvent at reaction temperature partic...
03/17/1998
5714654Method of Producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene
A method is proposed for producing 1,1,1,3,3-pentafluoropropane, in which 1,1,3,3,3-pentafluoropropene is reduced at a temperature between 40° C. and 300° C. by reacting it with hydrogen in a gas phase in the presence of a palladium catalyst. Further, a...
02/03/1998
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