Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 7,068

Document Document Title
WO/2014/063456A1
Disclosed is a taurine preparation method, comprising the following steps: employing an S4+ compound to adjust the pH value of a sodium taurate solution, continuing to aerate ethylene oxide to convert the sodium taurate into sodium iseth...  
WO/2014/061357A1
Provided are a high purity sodium p-styrene sulfonate with excellent hue which is useful as a reactive emulsifier or dispersant for producing a polymer emulsion or a synthetic paste for ironing clothes and a sodium polystyrenesulfonate w...  
WO/2014/058791A1
Apparatus and processes for removing dioxane from a composition, e.g., an ethoxylated fatty alcohol sulfate paste, utilize an evaporator having an inlet chamber and one or more heated channels. The process includes the step of heating th...  
WO/2014/047883A1
Disclosed is a method for preparing methanedisulfonic acid, comprising an acidification, wherein the acidification comprises that methanedisulfonate reacts with an acidifier to form a mixture containing methanedisulfonic acid. The invent...  
WO/2014/051971A1
A multistage process for the preparation of methacrylic acid and esters thereof via the hydrolysis of ACH, cracking the hydrolysis products, and converting the cracked products to the desired acid or ester, wherein the average temperatur...  
WO/2014/034190A1
The present invention is a radiation-sensitive resin composition, which contains an acid-cleavable group-containing polymer, a radiation-sensitive acid generator and a solvent, and wherein the radiation-sensitive acid generator contains ...  
WO/2014/034681A1
A method for producing a polyoxyethylene alkyl ether sulfate, which comprises: a sulfation step wherein an ethylene oxide addition product of an alkyl alcohol having 8-22 carbon atoms is reacted with an SO3-containing gas, thereby obtain...  
WO/2014/030038A1
A process of producing N-acyl amino acid based surfactants of Formula (I), wherein, R is selected from C6 to C22 alkyl group, R1 is selected from H, C1 to C4 alkyl, R2 is selected from all groups on a carbon of natural amino acids, R3 is...  
WO/2014/029666A1
A process for sulfonating at least one halobenzene with sulfur trioxide (SO3) comprising the following steps : Step 1. manufacturing a gaseous mixture [mixture (M)] comprising SO3 and at least one additional gas different from SO3 by oxi...  
WO/2014/027658A1
A compound represented by general formula [1D] (in the formula, R1A, R1B, R2A, R2B, R3A and R3B each denote a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucle...  
WO/2014/026073A1
This disclosure describes solid forms of the compound of Formula (I) and pharmaceutical compositions for inhibiting the TRPAl ion channel and/or medical conditions related to TRPAl, such as pain.  
WO/2014/020071A1
Compound of formula [C+] [A-], wherein R1, R2, R3, R4 are independently –H; –C1 to –C12 -alkyl or alkenyl; –OH; –SH; –CN; –F; –Cl; –Br; –I; R5 is –H, –C1 to –C12 –alkyl or alkenyl R6 is –C1 to –C12 –alky...  
WO/2014/020614A2
The present invention provides a process for preparation of tetrafluoroethanesulfonic acid.  
WO/2014/016657A1
The invention relates to a process for the preparation of phosphonium sulfonates, particularly tetraalkylphosphonium fluoroalkylsulfonates, in the presence of amine-type bases.  
WO/2014/016130A1
The present invention relates to a method for preparing an aqueous sulfonimide compound of the formula (Rf1-SO2)(Rf2-SO2)NH, wherein Rf1et Rf2 are independently selected from the group comprising: a fluorine atom and groups having 1 to 1...  
WO/2014/016530A1
The invention relates to a sulfonate compound with the following formula (I): in which R1 is an acyclic branched hydrocarbon group comprising at least four carbon atoms. Use of said compounds as an electrolyte solvent for lithium batteries.  
WO/2014/012467A1
Provided is a diarylaniline or diarylpyridinamine compound and the preparation method and use thereof for preparing a drug. The compound has strong inhibition activity against wild-type and various resistant HIV viral strains (nM level) ...  
WO/2013/186305A1
The invention relates to a process for preparing an internal olefin sulfonate, comprising sulfonating an internal olefin into sulfonated internal olefin, reacting sulfonated internal olefin with a nucleophile, with the proviso that the n...  
WO/2013/181083A1
A mixture of sulfates is made by dimerizing one or more even numbered alpha olefins to produce one or more vinylidenes; hydroformylating the vinylidene(s) to produce a mixture of alcohols; and sulfating the mixture of alcohols to form al...  
WO/2013/170738A1
The present invention relates to an Agomelatine acid radical composite in a formula (I) and a preparation method of the composite (HX=H2S04, RSO3H (R=CH3, Ph, 4-CH3Ph)). The solubility of the Agomelatine acid radical composite obtained b...  
WO/2013/172190A1
A method for producing a "salt or complex composed of an imidic acid and an organic base (B)" represented by formula [1], which comprises: a step wherein a sulfuryl halide (SO2X2X3, wherein X2 and X3 represent the same or different halog...  
WO/2013/172412A1
The objective of the present invention is to provide a method for producing, at a high yield, a sulfonyl amide compound containing a fluorinated aliphatic group, the method comprising: a first step of adding a ketone compound (a1) having...  
WO/2013/163889A1
Provided is a new intermediate compound for preparing vitamin B6, which can be used to synthesize the known intermediate compound for preparing vitamin B6, 4-methyloxazole-5-carboxyLate. Further provided is a process for preparing the ne...  
WO/2013/158219A1
Biopolymer catalysts, methods of synthesizing a biopolymer catalyst, and methods of catalyzing the hydrolysis of cellulose with a biopolymer catalyst are described. The biopolymer catalyst can comprise a microcrystalline sulfonated biopo...  
WO/2013/148497A1
Disclosed is a process for the extractive recovery of an acid catalyst from an aqueous mixture of glycolic acid with an extraction solvent comprising a tertiary amine or an onium carboxylate compound, a modifier, and a diluent. The acid ...  
WO/2013/142127A1
A process for the production of olefin sulfonates is presented. The process comprising generating olefins from normal alkanes through a dehydrogenation unit to produce a mixture of alkanes and alkenes. The mixture is sulfonated to react ...  
WO/2013/132520A1
The present invention discloses a cheaper and practical protocol for the construction of a wide variety of o-cyanocinnamonitrile and their structural analogues that proceeds with good yields in a single step using CuCN as the only reagent.  
WO/2013/123633A1
The present invention relates to a process for producing a sulfate salt of alkyl glyceryl ether, comprising: a) reacting an alkyl glycidyl ether with a gas containing S03 to produce an alkyl cyclic glycerol sulfate; and b) hydrolyzing th...  
WO/2013/123240A1
The present disclosure provides compounds and methods that are useful for the preparation of compounds useful as orexin-2 receptor antagonists.  
WO/2013/118895A1
Provided is a compound with which it is possible to gelatinize various aqueous compositions containing salt, acid, and such. An amphoteric ion-type basic amino acid derivative represented by formula (1A) (refer to the description for inf...  
WO/2013/118915A1
Useful processes for isolating the fluorinated products formed by reaction with 4-tert-butyl-2,6-dimethylphenylsulfur trifluoride (Fluolead) are disclosed. The processes comprise the conversion of the byproduct (formula I) to sulfinate e...  
WO/2013/104774A1
The present invention relates to the preparation of optically resolved chiral compounds of β-amino acid type active pharmaceutical ingredients (API), more specifically to β-aminobutyryl substituted compounds and especially β-aminobuty...  
WO/2013/054273A9
The present invention provides a process for the preparation of agomelatine and its intermediate compounds. The invention also provides intermediate compounds of agomelatine represented by Formula IV, Formula V and Formula VIII.  
WO/2013/093075A1
The invention relates to a process for preparing an internal olefin sulfonate, comprising sulfonating an internal olefin into sulfonated internal olefin followed by contacting sulfonated internal olefin with a base containing solution, w...  
WO/2013/087594A1
A process for the manufacture of a haloaryl compound which comprises contacting a mixture of dihalodiarylsulfone isomers [mixture (M)] with sulfuric acid to provide a mixture of haloarylsulfonic acid isomers [mixture (M1)] and reacting m...  
WO/2013/086980A1
Provided is a compound as represented by formula (I). Compared to prior art, the compound of the present invention has a dual structure of sulfonylurea and aminoguanidine; the sulfonylurea can reduce blood sugar level by enhancing the se...  
WO/2013/080095A1
The present invention provides a process for the preparation of agomelatine and its intermediate compounds. The invention also provides an intermediate compound of agomelatine represented by Formula (V).  
WO/2013/079507A2
The invention relates to a method for producing salts of acrylamido-2-methylpropane sulfonic acid (A), comprising the following steps: a) producing a solution of a contaminated salt of acrylamido-2-methylpropane sulfonic acid (A) in a wa...  
WO/2013/080676A1
Disclosed is a method for producing fluoroalkanesulfonic anhydride characterized in that fluoroalkanesulfonic acid and diphosphorus pentoxide are reacted while kneading at from 40°C to less than 100°C using a kneader-type reactor havin...  
WO/2013/067700A1
The present invention relates to novel cyclic sulphates of (poly)glycerol, particularly to the novel compound of 4-(hydroxymethyl)-1,3,2-dioxathiolane-2,2-dioxide. The present invention also relates to the preparation process of the cycl...  
WO/2013/047162A1
Provided is a method for producing a chloroalkylsulfonyl chloride, by which a high-purity chloroalkylsulfonyl chloride can be obtained with high yield with high productivity. This method for producing a chloroalkylsulfonyl chloride is a ...  
WO/2013/040985A1
It is an object of the present invention to provide a sulfonic acid group- containing polymer and a sulfonic acid group-containing aromatic compound, which have excellent proton conductivity even under the low humidification condition, a...  
WO/2013/040768A1
The invention provides a method of making a sulfonic group-containing aromatic compound. The multi-substituted sulfonated aromatic compounds can be obtained by reacting an aromatic compound with fuming sulfuric acid having a sulfur triox...  
WO/2013/039584A1
Methods for converting an H2SO4 alkylation unit to an ionic liquid alkylation system configured for performing ionic liquid catalyzed alkylation processes may comprise connecting at least one component configured for ionic liquid catalyz...  
WO/2013/030035A1
Suggested is a process for preparing sulfates and/or sulfonates by adding sulfur trioxide to a compound comprising at least one hydroxyl function and/or at least one double bond, which is characterized in that (i) the reaction is perform...  
WO/2013/033022A2
This invention relates to methods for the production of sodium, potassium, rubidium, cesium, magnesium, manganese, cobalt, nickel, aluminum, copper (II) and zinc salts of 5-sulfoisophthalic acid. In addition, this disclosure describes ne...  
WO/2013/029431A1
Disclosed are tosylate salts of benzodiazepine derivatives, their polymorphic forms, preparation methods and uses thereof, in particular to a tosylate salt of 3-[(4S)-8-bromo-1-methyl-6-(2-pyridinyl)-4H-imidazo[1,2-a][1 ,4]benzodiazepine...  
WO/2013/031849A1
Provided is a method for producing an organic compound having a sulfo group by efficiently hydrolyzing an organic compound having a fluorosulfonyl group through a fewer number of steps in such a manner that a waste solution is produced i...  
WO/2013/021309A1
The invention relates to a crystalline form of 2-chloro-N-{2-[3-(2-{[(4'-hydroxybiphenyl-3- yl)methyl]amino}-2-oxoethyl)phenyl]-1,1-dimethylethyl}acetam ide, a process for preparing the same and its use in the preparation of the 2 ago...  
WO/2013/018848A1
Disclosed is a production method for fluoroalkanesulfonic acid, including: a step (1) in which concentrated sulfuric acid and/or oleum is reacted with fluoroalkanesulfonic acid salt to acid-separate same, and a reaction mixture including...  

Matches 451 - 500 out of 7,068