Class 570/126 - 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: 36
Last issue date: 01/26/2010

Number	Title	Issue Date
7652178	Perfluoroparacyclophane and methods of synthesis and use thereof A composition comprising perfluoro-[2,2]-paracyclophane dimer compound is disclosed. The synthesis reaction of the paracyclophane dimer from 1,4-bis(chlorodifluoromethane)-2,3,5,6-tetrafluorobenzene involves heating in the presence of a metal catalyst and a solvent....	01/26/2010
7465842	Enantioselective biotransformation for preparation of protein tyrosine kinase inhibitor intermediates The invention relates to biocatalytic methods for preparing enantiomerically pure stereoisomers of 1-(2,6-dichloro-3-fluorophenyl)ethanol. Disclosed are methods of preparation of the desired (S)-enantiomer, which methods are based on a combination of enzymatic resol...	12/16/2008
7407691	Photopolymerizable oxetane derivative and liquid-crystal composition containing it Provided are a liquid-crystal compound and a liquid-crystal composition containing the compound, of which the advantages are that they show nematic hybrid orientation on a rubbed TAC substrate, they are polymerizable in open air and they readily give a polymer havin...	08/05/2008
7259281	Fluorobutene derivatives and process for producing same The present invention provides novel compounds 2,4,4,4-tetrafluoro-1-butene and (E)- and (Z)-1,1,1,3-tetrafluoro-2-butenes. Furthermore, the present invention provides the following novel first and second processes for producing 2,4,4,4-tetrafluoro-1-butene and (E)-...	08/21/2007
7244545	Fluorinated 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
7182885	Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotropy Fluorinated indenes and 1,7-dihydroindacenes of the general formulae (I) and (II) of negative dielectric anisotropy (Δε	02/27/2007
7107252	Pattern recognition utilizing a nanotechnology-based neural network A pattern recognition system, comprising a neural network formed utilizing nanotechnology and a pattern input unit, which communicates with the neural network, wherein the neural network processes data input via the pattern input unit in order to recognize data patt...	09/12/2006
7105594	Conductive carbon filled polyvinyl butyral adhesive An adhesive having a resin selected from polyvinyl butyral resins, phenolic resins, epoxy resins, and mixtures thereof, and at least one type of filler such as a carbon filler, for use in seaming components useful in electrostatographic, contact electrostatic, digit...	09/12/2006
7039619	Utilized nanotechnology apparatus using a neutral network, a solution and a connection gap An apparatus for maintaining components in neural network formed utilizing nanotechnology is described herein. A connection gap can be formed between two terminals. A solution comprising a melting point at approximately room temperature can be provided, wherein the ...	05/02/2006
7026359	Utilization of a highly fluorinated oligomeric alkane in ophthalmology The invention relates to the utilization of a highly fluorinated oligomeric alkane as a therapeutic agent in ophthalmology, the alkane having the general formula [—RF(CH2)nCR1—CR2—]x, wherein R	04/11/2006
6995649	Variable resistor apparatus formed utilizing nanotechnology A variable resistor apparatus includes a plurality of nanoparticles disposed between two terminals, wherein the plurality of nanoparticles provides an electrical resistance. An electric field applied to the plurality of nanoparticles across the two terminals results...	02/07/2006
6963015	Ethylene-hexafluoropropylene copolymer elastomer The present invention provides an ethylene-hexafluoropropylene copolymer which is suitable as a hose or seal for engine oil of an automobile and has sufficient amine resistance, while maintaining heat resistance, oil resistance and chemical resistance close to that ...	11/08/2005
6955769	Compositions of pentafluoropropane Provided are compositions comprising HFC-245fa and trans-1,2-dichloroethylene which exhibit relatively high solubility with conventional hydrocarbon lubricants, non-flammability, and relatively constant boiling points. Also provided are uses of such compositions.	10/18/2005
6923921	Fluorinated polyether compositions Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates. ...	08/02/2005
6787062	Producing liquid crystals with CF2O bond The invention relates to a process for the preparation of compounds having at least one —CF2O— bridge in the molecule, which comprises initially reacting a bis(alkylthio)carbenium salt with a compound containing at least one hydroxyl group in the pres...	09/07/2004
6685995	Ester compounds, liquid crystal compositions and liquid crystal display devices Liquid crystalline compounds suitable for driving at a low voltage and at a wide temperature range, and suitable for high speed response, liquid crystal compositions comprising the compound, and liquid crystal display devices comprising the liquid crystal...	02/03/2004
6653515	Synthesis of ଱, ଲ, ଲ-trifluorostyrene via in-situ formation of trifluorovinyl metal halide ଱,ଲ,ଲ-Trifluorostyrene and derivatives thereof synthesized in two steps from 1,1,1,2-tetrafluoroethylene. In the first step, 1,1,1,2-tetrafluoroethylene is reacted with a base, a metal salt such as zinc chloride and an optionally amine t...	11/25/2003
6395700	Process for the preparation of compounds having -CH2-CHF-groups Compounds each having a --CH2 --CHF-- group and a number of carbon atoms of 4 or above are prepared by hydrogenating a compound having a --CCl.dbd.CF-- group and a number of carbon atoms of 4 or above in the presence of a noble metal catalyst i...	05/28/2002
6388146	Polymerizable compound, polymerizable resin composition, cured polymer and liquid crystal display device The polymerizable compound of this invention is represented by general formula (I): ##STR1## where R is H, R', R'O, R'COO, or R'OCO, R' is a linear or branched alkyl group or alkenyl group having 1 to about 15 carbon atoms, A1 and A2	05/14/2002
6383454	Fluorination A process for fluorinating a hydrocarbon substrate is by mixing it with an inert diluent and mixing the diluted substrate with a gaseous fluorinating reagent to form a foam reaction mixture. The fluorinating reagent reacts with the substrate in the form t...	05/07/2002
6365676	Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams The invention concerns a process for the reaction of a perfluoroalkyl iodide of the formula CF3 (CF2)h --I, where h is an integer from 4 to 18, with a compound having a terminal olefinic group, which comprises conducting s...	04/02/2002
6350925	Perhaloethyl aromatic compounds and perhaloethenyl aromatic compounds therefrom A synthesis is provided for ଱,ଲ-difluoro-ଲ-halo-ethenyl aromatic compounds such as ଱,ଲ,ଲ-trifluorostyrenes by a process of reacting CFX2 CFXI, wherein each X is independently F or Cl, provided that at least o...	02/26/2002
6342572	Flame retardant benzocyclobutene resin with reduced brittleness The invention pertains to benzocyclobutene resins having flame retardant properties. Such resins have a high glass transition temperature (Tg>250° C.), low moisture absorption, low dielectric constant, good mechanical properties, flame retardancy (meets ...	01/29/2002
6040485	Fluorinated organic compounds, ophthalmological applications thereof and method for making same The invention relates to novel fluorinated organic compounds having the following molecular structure: ##STR1## where RF is a fluorinated carbon chain, R1H is hydrogen or a saturated hydrogenated carbon chain, R2H is ...	03/21/2000
6025521	Telomerization process for telomerizing ethylenic monomer compounds This invention relates to carbon based initiators for polymerization and telomerization reactions. Polymers produced are useful as water repellants and materials with high temperature resistance. Telomers are useful as intermediates in the production of c...	02/15/2000
5681902	Process for the perfluoroalkylation of substances having terminal unsaturation Free radical reaction of unsaturated material, dissolved in a polar, water immiscible organic solvent, & perfluoroalkyl iodide in the presence of buffer or means for adjusting pH of aqueous phase....	10/28/1997
5648566	Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins Monomers of the formula (I) (for example, 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) are described, as well as copolymers prepared from them and from one or more monomers copolymerizable with them. ##STR1## wherein n=3 to 5 The compounds a...	07/15/1997
5350878	Fluorinated compounds containing hetero atoms and polymers thereof This invention provides 1) novel reactive fluorinated compounds derived from a specified class of telomers or cotelomers of fluoroolefins; and 2) stable products and stable polymers thereof obtained by reaction or polycondensation of the novel reactive fl...	09/27/1994
5344580	Oligomers of fluorinated olefins Oligomers of compounds of the formula X--(CF2)a --Ob --(CH2)c --CH=CH2( 1) and co-oligomers of compounds of the formula (1) together with compounds of the formula X--(CX2)d --O	09/06/1994
5254774	Preparation of hexafluoropropene oligomers A process for the oligomerization of hexafluoropropene comprises contacting hexafluoropropene with a catalyst or a mixture of catalysts selected from the group consisting of the cyanide, cyanate, and thiocyanate salts of alkali metals, quaternary ammonium...	10/19/1993
5162594	Process for production of polyfluoroolefins This invention concerns a process for the production of polyfluoroolefins by the catalytic addition of polyfluoroallylic fluorides to fluoroethylenes. 1:1 and 1:2 Adducts such as F-pentene-2 and F-heptene-3 can be formed selectively and reduced further to...	11/10/1992
4996277	Novel oligoethylene oxide-containing alkenes, alkoxysilanes, and polysiloxanes Oligoethylene oxide-substituted aryl and aralkyl alkenes, oligoethylene oxide-substituted aryl and aralkyl alkoxy silanes and polysiloxane polymers containing oligoethylene oxide-substituted aryl and aralkyl sidechains and methods for their preparation ar...	02/26/1991
4668710	Trihalovinyl polyol ethers Included are trihalovinyl polyol ethers. The compositions have pendant 1,2,2-trihaloethenyl moieties. The compositions may be low viscosity oils or highly polymeric such as incorporated with a urethane or other polymers. One of the uses of the composition...	05/26/1987
4618734	Method of making and polymerizing perfluoroalkylene acetylene compounds A perfluoroalkylene ଱,ω-diacetylene compound having a fluorocarbon chain of from 5 to about 20 carbon atoms between two acetylene end groups, and a method of forming same by first reacting perfluoroalkylene diiodide having the formula I(CF2	10/21/1986
4402984	Preparation of 1-hydropentadecafluoroadamantane and perfluoroadamantane Perfluoroadamantane and 1-hydropentadecafluoroadamantane are prepared by perfluorinating adamantane and/or bromoadamantane by contacting CoF3 at an elevated temperature. The fluoroadamantanes have utility as synthetic blood substitutes or perfu...	09/06/1983
4039595	Copolymers of ethylene and hexafluoropropene Copolymers of ethylene and hexafluoropropene (HFP) containing between about 15 mol percent and 50 mol percent HFP comprising low to intermediate molecular weight oils of high viscosity. The copolymers are prepared in the presence of a free radical initiat...	08/02/1977

PatentStorm

Did You Know...

PatentStorm News

Class 570/126 - Fluorine is sole halogen