Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 15,860

Document Document Title
WO/2019/052236A1
The present invention pertains to the field of fine chemicals and related chemical technologies and provides a preparation method for a butadiene derivative. Phenylacetylene and derivatives thereof are used as raw materials and react in ...  
WO/2019/047447A1
Provided is a method for co-producing various halogenated olefins and fluoroalkanes: introducing cis-1-chloro-3,3,3-trifluoropropene into a first reactor, and an isomerization reaction occurring under the action of a first catalyst, a re...  
WO/2019/051389A1
Disclosed herein are methods of producing E-CF3CH=CHCF3 in a liquid phase. Also disclosed are methods of preparing CF3CH2CHClCF3 and CF3CHClCH2CCl3.  
WO/2019/045470A1
The present invention relates to a method for preparing a sulfated metal oxide catalyst for chlorination, and a method for preparing a reaction product comprising methyl chloride (CH3Cl) by using a sulfated metal oxide catalyst. A sulfat...  
WO/2019/039759A1
The present invention relates to a method for producing mono-iodobenzene and mono-iodobenzene produced therefrom, the method enabling the selective recovery of gas-state iodine that is lost when regenerating a catalyst used in a reaction...  
WO/2019/036349A1
This invention discloses the first example of palladium(ll)-catalyzed β-C(sp3)-H iodination or arylation of a wide range of ketones by using a commercially available aminooxyacetic acid auxiliary. This L, X-type directing group overcome...  
WO/2019/030059A1
The invention relates to bissilylaminosilyl-functionalized conjugated dienes of formula (IlIa), (Illb) or (IIIc) (formula IIIa, b, c) and to methods for their preparation. The conjugated dienes of formula (Ilia), (Illb) or (IIIc) are bas...  
WO/2019/030527A1
The invention provides a composition comprising 3,3,3-trifIuoro-2-chloro-prop-1-ene (CF3CCI=CH2, 1233xf) and 1233xf oligomers in an amount of less than about 0.5 wt.% and the use of such a composition in a fluorination process.  
WO/2019/031743A1
The present specification provides a method for preparing a styrene monomer, comprising, as a step of preparing a styrene monomer of chemical formula 2 by reacting a compound represented by chemical formula 1 in the presence of phosphori...  
WO/2019/026515A1
The present invention provides a production method which has a high selectivity to HCFC-132 and in which handling is easier than in conventional methods because neither chlorine nor highly toxic carbon tetrachloride is used. Specifically...  
WO/2019/023572A1
The present application is directed to processes and intermediates for preparing (Z)-1,1,1,4,4,4-hexafluoro-2-butene, in particular to processes for preparing the intermediate (Z)-2-chloro-1,1,1,4,4,4-hexafluoro-2-butene by reaction with...  
WO/2019/023568A1
The present application discloses compositions comprising hydrogen fluoride and fluorinated compounds (e.g., hydrochlorofluorocarbons), wherein the fluorinated compound is present in the composition in an amount effective to form an azeo...  
WO/2019/019557A1
A method for co-production of a low-carbon foaming agent. 1,1,1,3,3-pentachloropropane and hydrogen fluoride are preheated and then introduced into a reactor, and react in the presence of a catalyst to obtain a reaction product, and the ...  
WO/2019/016457A1
The invention relates to a method for storing, in a closed container, a composition comprising 1,1,1,2,3,3-hexafluoropropane in a liquid/gas state composed of a liquid phase and a gas phase, characterised in that i) a stream comprising 1...  
WO/2019/016456A1
The present invention relates to a process for producing 2,3,3,3-tetrafluoropropene in the gas phase, comprising the steps of: i) providing a composition A comprising 2-chloro-3,3,3-trifluoropropene and/or 2,3-dichloro-1,1,1-trifluoropro...  
WO/2019/016458A1
The invention relates to a method for producing 2,3,3,3-tetrafluoropropene, comprising the following steps: i) in a first reactor, contacting 2-chloro-3,3,3-trifluoropropene with gas-phase hydrofluoric acid in the presence of a catalyst ...  
WO/2019/014221A1
The present disclosure includes various manufacturing and separation processes for the production of (Z)-1-chloro-3,3,3-trifluoropropene from (E)-1-chloro-3,3,3-trifluoropropene. The efficient separation of (Z)-1-chloro-3,3,3-trifluoropr...  
WO/2019/013126A1
The present invention provides an industrially excellent method for highly efficiently producing a cycloalkyl(trifluoromethyl)benzene without any complicated step and through a small number of steps. A halogen-substituted trifluoromethyl...  
WO/2019/009278A1
Provided are: a composition containing PFOB, which has lower PFOA content than conventional PFOBs and is not likely to have adverse effects on the environment; and a method for producing PFOB. A composition which contains C8F17Br, while ...  
WO/2019/003847A1
Provided is a method for producing 1-chloro-3,3,3-trifluoropropene (1233zd). The production method includes a reaction that brings a C3 halogenated hydrocarbon compound represented by general formula (1) into contact with a metal catalys...  
WO/2019/003896A1
The purpose of the present invention is to provide: a method for efficiently producing 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and/or 3-chloro-1,1,1,2-tetrafluoropropane (HCFC-244eb), which are advantageous starting materials fo...  
WO/2019/003848A1
Provided is a method for producing 1,3-dichloro-3,3-difluoropropene (1232zd). This production method contains a reaction in which a halogenated hydrocarbon compound having three carbons and represented by general formula (1) is heated. I...  
WO/2018/234261A1
The present invention relates to a catalyst comprising a) 90% to 99.99% by weight of alumina in which said alumina is made up of at least 90% by weight of alpha-alumina; and b) 0.01% to 10% by weight of at least one metal with a valency ...  
WO/2018/235567A1
This method for producing octafluorocyclopentene involves bringing 1-chloroheptafluorocyclopentene into contact with an alkali metal fluoride. Said production method includes a fluorination step in which a suspension obtained by suspendi...  
WO/2018/235883A1
A method for producing a compound represented by formula (1), which comprises a step A wherein a compound represented by formula (2a) and a compound represented by formula (2b) are subjected to a coupling reaction in the presence of (1) ...  
WO/2018/235566A1
This method for producing octafluorocyclopentene involves bringing 1-chloroheptafluorocyclopentene into contact with an alkali metal fluoride. Said production method includes: a raw material heating step in which 1-chloroheptafluorocyclo...  
WO/2018/231764A1
The invention provides a process for producing certain halogenated compounds, such as 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf), useful as intermediates in the production of fluoroolefins, such as 2,3,3,3-tetrafluoropropene (HFO-1234...  
WO/2018/230719A1
The present invention addresses the problem of providing a method for efficiently removing water contained in pentafluoropropane. Provided as a solution to the problem is a method including a step in which a composition containing pentaf...  
WO/2018/228975A1
The present invention provides a method for preparing a compound of formula (I) F-(CF2)n-(CH2)m-Ro (I), wherein n is an integer from 2 to 12, m is an integer from 0 to 7, Ro is a linear or branched saturated alkyl group and o depicts the...  
WO/2018/224381A1
The present invention relates to a method for producing high-purity 1,1,1,2,3,3-hexafluoropropane and a composition containing mainly 1,1,1,2,3,3-hexafluoropropane, suitable for use as a cleaning agent in the semiconductor industry.  
WO/2018/218376A1
The present application is in the field of imaging reagents. In particular, the present application relates to labelled fluorocarbon imaging reagents, the preparation of the reagents, and their uses for imaging such as PET scanning.  
WO/2018/222642A1
There are provided methods and systems to form propylene chlorohydrin by hydrolysis of 1,2-dichloropropane and to further form propylene oxide from propylene chlorohydrin.  
WO/2018/214642A1
The present invention relates to preparation of benzyl chloride using a continuous photochlorination process in a tower. An aromatic hydrocarbon compound of formula (X)aC6H6-a-b(CH3)b is formed into a liquid film in flow, and undergoes a...  
WO/2018/216426A1
Provided is a low-waste, industrially applicable production method for hexafluoro-1,3-butadiene. The production method for hexafluoro-1,3-butadiene comprises: a reaction step for reacting a butyl halide represented by the chemical formul...  
WO/2018/211154A1
The present invention relates to a cobalt(ll)-mediated photocatalytic process for reducing arylketones, arylalkenes, arylaldehydes and aliphatic aldehydes, and to a novel catalytic composition used in this process and comprising a cobalt...  
WO/2018/202835A1
The present invention relates to a process for the production of semifluorinated alkanes.  
WO/2018/197788A1
The invention relates to a method for the production of 2,3,3,3-tetrafluoropropene using a starting composition, comprising the steps of: bringing the starting composition into contact with HF, in the presence of a catalyst, in order to ...  
WO/2018/197787A1
The present invention relates to a method for purifying a stream including 1,1,1,2,2-pentafluoropropane comprising the steps of: i) providing a stream A comprising 1,1,1,2,2-pentafluoropropane and at least one of the compounds chosen fro...  
WO/2018/199212A1
The purpose of the present invention is to provide a method for conveniently and industrially producing at low cost, a compound having a polyene skeleton and containing hydrogen and fluorine and/or chlorine. Provided is a method for prod...  
WO/2018/193884A1
The method for producing 1,1-dichloro-3,3,3-trifluoropropene (1223za) according to the present invention is characterized by comprising a step in which 1,1,3,3,3-pentachloropropene (1220za) is fluorinated with hydrogen fluoride to produc...  
WO/2018/191179A1
A family of amine mining collectors that uses alkoxylates allows for the easy adjustment of solubility and molecular weight useful because anionic and cationic mineral collectors require such varying degrees of solubility and molecular w...  
WO/2018/187336A1
Methods of synthesizing compounds comprising fluorinated aryl groups are disclosed, wherein said methods utilize hydrogen bond directed photocatalytic hydrodefluorination.  
WO/2018/186400A1
The purpose of the present invention is to provide a method for conveniently and efficiently producing, under mild conditions, a different chlorine-containing olefin from a chlorine-containing olefin that can be easily procured on an ind...  
WO/2018/178551A1
The present invention relates to a method for the production of 2,3,3,3-tetrafluoropropene, comprising the steps of: a) bringing a compound of formula (I) CH(n+2)(X)m-CHp(X)(n+1)-CX(3+p-m) into contact, in a reactor, with hydrofluoric ac...  
WO/2018/177661A1
The invention relates to a new type of process for synthesizing fluorinated cyclic aliphatic compounds from the analogous aromatic compounds by means of hydrogenation with an Rh-carbene catalyst system.  
WO/2018/178554A1
The invention relates to a method for the production of 2,3,3,3-tetrafluoropropene using a starting composition, comprising the steps of: bringing the starting composition into contact with HF, in the presence of a catalyst, in order to ...  
WO/2018/178552A1
The present invention relates to a method for the production of 2,3,3,3- tetrafluoropropene, comprising the steps of: a) bringing a compound of formula (I) CH(n+2)(X)m-CHp(X) (n+1)-CX(3+p-m) into contact, in the gaseous phase, with hydro...  
WO/2018/178555A1
The invention relates to a method for the purification of 2,3,3,3-tetrafluoro-1-propene (1234yf) using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 1,1,1,2,2-pentafluoropropane (245cb) and trans-1,3,3,3-tetrafluoro-1-pro...  
WO/2018/172919A1
An apparatus for heat transfer includes a device and a mechanism for transferring heat to or from the device. The mechanism for transferring heat includes a working fluid that includes a hexafluoropropylene trimer having Structural Formu...  
WO/2018/172109A1
The present invention relates to a process for preparing bromotrichloromethane comprising a) providing bromine in chloroform; and b) radiation of the resulting solution with light in the range of 350 to 550 nm, wherein said solution of b...  

Matches 1 - 50 out of 15,860