Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
07/2008
07/23/2008CN101224914A Method for extracting fluorobenzene compounds from fluorobenzene-containing chemical compounds
07/22/2008US7402707 particularly pentacene; Diels-Alder adduct of the a,b-dihydro-a,b-etheno-oligocene with a 1,1-dialkoxy-cyclopentadiene is formed; adduct is converted into the precursor oligocene
07/22/2008US7402610 Carbonyl compound containing long-chain branched alkyl group
07/22/2008CA2307414C Preparation of 245fa
07/17/2008WO2008061074A3 Iodine removal with activated carbon
07/17/2008US20080171898 Process for converting gaseous alkanes to liquid hydrocarbons
07/17/2008US20080171892 Via hydrogenation catalysts; halodehydroxylation; ion exchanging; cardiovascular disorders
07/16/2008EP1943204A1 Method for producing fluorinated organic compounds
07/16/2008EP1943203A1 Method for producing fluorinated organic compounds
07/16/2008EP1943202A1 Method for producing fluorinated organic compounds
07/16/2008EP1943200A2 Parylene variants and methods of synthesis and use
07/16/2008EP1636155A4 Phase transfer catalysis scrubber
07/16/2008CN101223119A Process for recovering pentafluoroethane, and production method of pentafluoroethane involving the process
07/16/2008CN101219990A Method for distillation of front cut fraction of trichloropyridine sodium alcoholate
07/16/2008CN101219928A 1,2,4-trichlorobenzene synthesizing method
07/16/2008CN101219927A Continuous process and device for the separation of benzyl chloride regular packing column
07/16/2008CN101219926A Method for separating trifluoroethylene in tetrafluoroethylene production
07/16/2008CN101219925A Method for synthesizing trifluoroiodomethane and pentafluoroethyliodide meanwhile
07/16/2008CN101219924A Method for synthesizing perfluoroalkyl iodide telomer
07/16/2008CN101219923A Fluoridation separating method in pentafluoroethane
07/16/2008CN101219386A Naluminum fluoride base fluorating catalyst, preparation method and application
07/16/2008CN100402476C Method of separating 1,2-dichloropropane with DD mixture
07/16/2008CN100402475C Method for direct chlorination synthesis of chlorohydrocarbon adopting chlorosilane carbonyl compound
07/10/2008WO2008083199A1 Long-chain polymethylene halide telomers
07/09/2008EP1942091A1 Novel fluoroadamantane derivative, fluorine-containing polymer and production method
07/09/2008EP1380557B1 Method for continuous production of a perfluoroalkyl iodide telomer
07/09/2008EP1296917B1 Method for obtaining a purified hydrofluoroalkane
07/09/2008CN101215220A Preparation method for 1,1,1,3-tetrafluoropropene
07/09/2008CN101214449A Fluorating catalyst and preparation thereof
07/09/2008CN101214448A Chromium base fluorating catalyst and preparation thereof
07/09/2008CN101214447A Naluminum fluoride base fluorating catalyst and preparation thereof
07/09/2008CN101214446A Fluorating catalyst and preparation method
07/09/2008CN100400484C Method for purifying tetrachloroethylene and process for producing hydrofluorocarbons
07/08/2008CA2228276C Process for the manufacture of halocarbons
07/03/2008WO2008079265A1 Process for the synthesis and separation of hydrofluoroolefins
07/03/2008WO2008077868A1 Catalytic hydrochlorination system and process for manufacturing vinyl chloride from acetylene and hydrogen chloride in the presence of this catalytic system
07/03/2008WO2008077494A1 Production of vinyl chloride
07/03/2008DE19607996B4 Flüssigkristallines Medium enthaltend mindestens ein substituiertes Cyclohex-3-en-yl-Derivat Liquid-crystalline medium containing at least one substituted cyclohex-3-en-yl derivative
07/02/2008CN101213162A Method for producing fluorinated organic compounds
07/02/2008CN101209954A Technique for coproducing polyvinyl chloride from by-product hydrogen chloride of trichloroethylene
07/02/2008CN101209953A Applied synthesis method for bromocyclobutane
07/02/2008CN100398500C Ecology-friendly bromo-benzene synthesizing method
07/02/2008CN100398205C Catalyst for fluorination
07/01/2008US7393980 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same
06/2008
06/26/2008WO2008075017A2 Process for the preparation of c3-7 fluoroalkenes by base-mediated dehydrohalogenatation of hydrohalogenated c3 -7 fluoroalkanes
06/26/2008US20080154072 1,1,1,3,3-pentafluoropropane (HFC-245fa), hydrofluoric acid, and potassium fluoride; purification and distillation to remove HF using KF; following absorption HF the resultant HF/inorganic salt solution can be treated to recover the absorbed HF and regeneration of the original HF/inorganic salt solution
06/26/2008US20080154064 Method of fluorination
06/26/2008US20080149472 Photochlorination and Fluorination Process for Preparation of Fluorine-Containing Hydrocarbons
06/26/2008CA2673585A1 Process for preparing c3-7 fluoroalkenes
06/25/2008CN201077822Y vacuum device for tetrabromoethane production
06/25/2008CN101208364A Process for the manufacture of 1,2-dichloroethane
06/24/2008US7390917 Method for producing mixture of fluoroalkyl iodide telomers and method for producing mixture of fluorine-containing (meth)acrylate esters
06/24/2008US7390777 Stabilized with C3-C12 alkylene oxide, e.g., butylene oxide, aliphatic and cycloaliphatic alcohols having 2-8 carbon atoms, e.g., isopropanol, C1-C5 alkoxyphenol, e.g., 4-methoxyphenol, free radical stabilizer having 2,2,6,6-tetra(lower alkyl)-)-1-piperidinyloxy-yl group; vapor degreasing of metal parts
06/19/2008US20080146854 Dissolved chlorine and dissolved ethylene which are brought into contact using a circulating liquid reaction medium which essentially consists of 1,2-dichloroethane and a catalyst and passes through at least one reaction loop
06/19/2008US20080146853 Aromatic compound and an active iodinating agent are fed into a flow reactor equipped with a high-speed mixer and hydrogen atom on the aromatic ring of aromatic compound is continuously substituted by iodine atom; product superior in color tone in high yield; easy-to-handle and highly safe technique
06/18/2008EP1828084B1 Method for producing 1,2-dichloroethane by means of direct chlorination
06/18/2008EP1585521B1 Derivatives of aryl-quinazoline/aryl-2amino-phenyl methanone which promote the release of parathyroid hormone
06/18/2008CN101203472A Method for preparing mono- or difluorinated hydrocarbon compounds
06/17/2008US7388117 Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof
06/17/2008US7387751 Method of preparing organomagnesium compounds
06/17/2008CA2268489C Adsorbent for separating halogenated aromatic compounds and separation method using it
06/12/2008US20080139855 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 plasma ashing.
06/12/2008US20080139816 Process For the Production of Cyclic Diketones
06/12/2008CA2672077A1 Trityl chloride recovery
06/11/2008EP1928811A1 Method for chlorinating alcohols
06/11/2008EP1928810A1 Method of operating a distillation column for purifying 1,2-dichloroethane and for coupled sodium hydroxide solution evaporative concentration
06/11/2008CN101198581A Method for decarboxylating C-C cross-linking of carboxylic acids with carbon electrophiles
06/11/2008CN101198575A Apparatus for preparing vinyl chloride by pyrolysis of 1,2-dichloroethane and method of preparing vinyl chloride using the same
06/11/2008CN100393679C Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and at least one of 1,1,1,2,3,3- hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane
06/10/2008US7385094 Azeotrope compositions comprising tridecafluoro-3-heptene and hydrogen fluoride and uses thereof
06/10/2008US7384580 higher reactivity with an electrophile; lithium chloride complexes; using organometallic R1(MgX).LiY, a fast exchange reaction occurs leading to Grignard reagents in high yields under mild conditions; ether solvent; phenyl-(4-cyanophenyl)methanol from benzaldehyde, 4-bromobenzonitrile and i-PrMgCl.LiCl
06/10/2008US7384519 Contacting a mixture comprising 1,1,1,2-tetrafluoroethane or chlorodifluoromethane and methyl chloride with a zeolite such as a molecular sieve; drug delivery
06/10/2008CA2228287C Process for the manufacture of halocarbons and selected compounds and azeotropes with hf
06/05/2008WO2008066980A1 Production of high purity decabromodiphenylalkanes
06/05/2008WO2008064427A1 A process for the capture and dehalogenation of halogenated hydrocarbons
06/05/2008WO2008019111A3 Telomer compositions and production processes
06/05/2008US20080132743 perbromination; a Lewis acid bromination catalyst and excess liquid bromine circulating in a loop reactor; solid decabromodiphenylethane from diphenylethane; without recourse to recrystallization or chromatographic purification steps or any subsequent procedures to remove partially brominated products
06/05/2008CA2707162A1 A process for the capture and dehalogenation of halogenated hydrocarbons
06/04/2008EP1487769B1 Liquid phase process for hcfc-123
06/04/2008EP1444181B1 Method for the preparation of n-propyl bromide
06/04/2008CN101190872A Method for water-phase fluorination production of 2,6-dimethylfluorobenzene
06/04/2008CN100391917C Process for the separation of mixtures containing m-and p-dichlorobenzene
06/04/2008CN100391916C Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and hydrogen fluoride
06/03/2008US7381850 Multifunctional unsymmetrically substituted monomers and polyarylene compositions therefrom
06/03/2008CA2196586C Preparation of 1,1,1,3,3-pentachlorobutane and 1,1,1,3, 3-pentafluorobutane
06/03/2008CA2179536C Synthesis of difluoromethane
05/2008
05/29/2008WO2008043720A3 Process for the preparation of halogenated hydrocarbons with at least 3 carbon atoms in the presence of an ionic liquid
05/29/2008WO2008030444A3 Process for producing 1,2,3,3,3-pentafluoropropene and related azeotropic compositions
05/29/2008US20080125613 Dissolved chlorine and ethylene mixed in a circulating liquid reaction fluid with ferric chloride catalyst; flows through vertical loop-type reaction section connected to degassing vessel at top; reaction product is withdrawn either in gaseous or in liquid state or both; highly hyper-stoichiometric feed
05/29/2008US20080124660 HIGHLY PURIFIED LIQUID PERFLUORO-n-ALKANES AND METHOD FOR PREPARING
05/28/2008EP1924541A1 Continuous crystallisation process of iodinated phenyl derivatives
05/28/2008CN101186556A Method for producing 2-bromo-3,3,3-trifluoropropene and use thereof
05/28/2008CN101186555A Method for simultaneously preparing 1,1,1,2-tetrafluoroethane and 1,1,1-trifluoroethane
05/28/2008CN100390122C Composite stabilizer for improving stability of tetrabromoethane
05/27/2008US7378449 An article manufactured of a flammable polymer and two fireproofing compound of brominated phenylalkanes which comprises >25 weight %; bromine substitution of both aryl group and alkane groups; e.g., decabromodiphenylethane anddodecabromodiphenylethane; electrical insulation; tubes; films
05/22/2008WO2008061074A2 Iodine removal with activated carbon
05/22/2008WO2008060616A2 Process for producing pentafluoro-propene and certain azeotropes comprising hf and halopropenes of the formula c3hcif4
05/22/2008WO2008060614A2 Process for producing 2,3,3,3-tetrafluoropropene
05/22/2008WO2008060612A2 Processes for producing pentafluoropropenes and azeotropes comprising hf and certain halopropenes of the formula c3ci2f4, c3cif5, or c3hf5
05/22/2008WO2008058444A1 Process for preparation of 1,1,1,3,3-pentachlorobutane
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