Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 101 - 150 out of 2,611

Document Document Title
WO/2015/094394A1
A continuous process for producing a nylon salt solution prepared using a liquid partially balanced adipic solution enriched in dicarboxylic acid, and in particular adipic acid. The liquid feed is prepared by metering dicarboxylic acid p...  
WO/2015/091952A1
This invention relates to a process for the separation of dicarboxylic acids from aqueous mixtures of CV8C24 mono- and dicarboxylic acids. In particular this invention relates to a process for the separation and purification of the said ...  
WO/2015/084265A1
The present invention provides a method of synthesizing an ester of a saturated carboxylic acid from a saturated polyhydroxycarboxylic acid by performing a deoxydehydration reaction and a hydrogen transfer reaction.  
WO/2015/082077A1
The invention relates to a process for the preparation and isolation of carboxylic esters. Said process is based on the reaction of a carboxylic acid with an alcohol in the aqueous medium. In order to do so, the alcohol is used for both ...  
WO/2015/053988A1
High-purity dibasic acid compositions are generally disclosed. In some embodiments, the dibasic acid compositions are solutions or suspensions. In some other embodiments, the compositions are solid-state compositions. In some such embodi...  
WO/2015/036342A1
The invention relates to a method for producing alkane carboxylic acids by reacting long-chained olefins or alkene carboxylic acids or esters thereof, comprising the following steps: a reaction mixture is reacted with hydrogen peroxide a...  
WO/2015/029839A1
Provided is a method for producing a desired perfluorinated product with high yield by a fluorination reaction of a partially fluorinated ester. A compound (3), which is produced by reacting a compound (1) with a compound (2) (and which ...  
WO/2015/020302A1
The present invention relates to a process for producing succinic acid using a highly efficient reaction system. More specifically, the present invention relates to a process for producing succinic acid using a highly efficient reaction ...  
WO/2015/011018A1
The invention pertains to a method for manufacturing a cleaved product from a ricinic compound comprising reacting at a temperature of at least 150°C at least a ricinic compound and at least one alkali in the presence of at least one th...  
WO/2015/007768A1
The invention pertains to a process for the recovery of alkali phenolate derivative from a solid mixture comprising the same, in admixture with alkaline salts of sebacic acid, said process comprising multiple methanol extraction steps, a...  
WO/2015/007206A1
The present invention relates to novel afatinib acid addition salts and crystal forms thereof. Compared with the prior art, the afatinib acid addition salts and crystal forms thereof of the present invention have one or more improved pro...  
WO/2014/202031A1
The present invention relates to a method for high-selectivity co-production of adipic acid and nitrocyclohexane, utilizing an oxynitride NOx as an oxidant and nitrating agent to transform in one step with high selectivity cyclohexane to...  
WO/2014/195961A1
The invention relates to the compositions of formula I or its pharmaceutical acceptable polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprises a salt of metformin and the methods ...  
WO/2014/189646A1
The present invention relates to novel optically active salts of 2-aminoalkanoic acid and acid ester derivatives and processes for making such derivatives that are ideal for the preparation of therapeutically useful cysteine protease inh...  
WO/2014/122410A3
The invention relates to a method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) (III) and of a bi-functional carbonyl compound (V), characterised in that it includes a step comprising the cross metathesis mc1 of an...  
WO/2014/179066A1
A process for producing a partially balanced acid solution that involves metering dicarboxylic acid powder, based on weight, from a loss-in-weight feeder to a feeding conduit that transfers the dicarboxylic acid powder at a low variabili...  
WO/2014/179061A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179058A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179065A1
A continuous process for producing a nylon salt solution prepared using a liquid partially balanced acid solution enriched in dicarboxylic acid, and in particular adipic acid. The liquid feed is prepared by metering dicarboxylic acid pow...  
WO/2014/179067A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179060A1
Disclosed are process controls for controlling the continuous preparation of nylon salt solution. The process controls include feed forward controls. A model is generated to achieve a target pH and/or salt concentration. Feed rates are s...  
WO/2014/179062A1
Disclosed are nylon salt solution preparation processes including a trim diamine feed. The nylon salt solution is prepared by feeding a dicarboxylic acid monomer and a diamine monomer to a single continuous stirred tank reactor. The dica...  
WO/2014/108163A3
The invention relates to a method for fermentational production of dicarboxylic acids with a purity of 95-99.9 wt%, wherein the dicarboxylic acid is subjected to a crystallisation in which a mother liquor is produced, of which 2-100% is ...  
WO/2014/151232A1
Disclosed are salt compositions of lysinol and dicarboxylic acids; and lysinol derived polymers including polyamide, polyimide, polyurea, cross-linked polyurea comprising urethane linkages, polyurea foams, cross-linked polyurea foams, an...  
WO/2014/140276A1
The invention relates to methods for producing free flowing dicarboxylic acid crystalline crops from an aqueous solution or suspension of the dicarboxylic acid in a crystallizer.  
WO/2014/133024A1
Disclosed is a secondary battery having high capacity and excellent charge/discharge cycle characteristics, which is obtained by employing a positive electrode that is obtained by covering the surface of a positive electrode material wit...  
WO/2014/121427A1
The present invention relates to a method for removing organic amine nitrogen impurities in long-chain binary acids produced by a microbiological method. The method mainly uses acetone or butanone as a solvent to remove organic amine nit...  
WO/2014/097772A1
Provided is a method for obtaining an ionic metal complex salt that uses an organic compound as a ligand in which silicon tetrachloride is used as a reaction aid when reacting a metal complex salt containing a fluorine atom with an organ...  
WO/2014/080059A1
The invention relates to the production of dicarboxylic acids from a hydroxylated fatty acid or its corresponding ester, using a ruthenium catalyst in the first step and a basic aqueous solution in the second step. Saturated chain oxoaci...  
WO/2014/065839A1
The present invention provides a process to economically convert carbon dioxide to oxalic acid and derivatives, such as ethylene glycol and olefins. Oxalic acid is provided, characterized by a 14?C content that is about the same as the 1...  
WO/2014/053351A1
The production of precious metal oxalate complexes from precious metal precursors and oxalic acid and/or oxalic acid salts is an exothermic reaction in which heat and CO2 are formed. The temperature can rise above the decomposition point...  
WO/2013/025105A8
The invention provides a method for preparing a succinic acid, which method comprises the steps of - providing magnesium succinate; - acidifying the magnesium succinate with hydrochloric acid (HC1), thereby obtaining a solution comprisin...  
WO/2013/188348A3
Processes are disclosed for the conversion of 1,6-hexanediol to adipic acid employing a chemocatalytic reaction in which 1,6-hexanediol is reacted with oxygen in the presence of particular heterogeneous catalysts including at least one o...  
WO/2014/037328A1
A process for preparing sebacic acid by reacting in a first step (i) linoleic acid with water catalyzed by an oleate hydratase to form10-hydroxy-12-octadecenoic acid, in a second step (ii) pyrolysing the 10-hydroxy-12-octadecenoic acid t...  
WO/2014/039638A1
The present invention relates to the energy efficient and selective extraction of dilute concentrations of biomolecules, e.g., small organic compounds, e.g., one or more C2-C6 alcohols, one or more C3-C5 carboxylic acids, one or more C8-...  
WO/2014/020281A1
A process for preparing a carboxylic acid, by oxidative cleavage of at least one vicinal diol, or an epoxide, wherein the reaction is carried out in the presence of a catalyst and of an oxidizing agent and in the absence of solvent.  
WO/2014/015290A1
The present invention relates to methods for safe and efficient use of hydrogen and oxygen in ozonolysis operations. The invention also relates to an ozonolysis process involving elements of both reductive and oxidative ozonolysis which ...  
WO/2014/012754A1
The present invention relates to a process for preparing at least one diacid compound, comprising a step in which at least one imide compound is subjected to a hydrolysis reaction carried out in the absence of catalyst.  
WO/2013/088239A3
Processes for removing color bodies from crude succinic acid comprising distillation of crude succinic acid and collecting the distillate in a water-containing receiver. The color bodies substantially remain in the distillation bottoms a...  
WO/2013/192146A1
A metal organic framework (MOF) material including a Brunauer-Emmett-Teller (BET) surface area greater than 7,010 m2/g. Also a metal organic framework (MOF) material including hexa-carboxylated linkers including alkyne bond. Also a metal...  
WO/2013/188829A1
The invention relates to substantially pure Desfesoterodine salts, Desfesoterodine salts, solid state forms thereof and pharmaceutical compositions comprising one or more of the Desfesoterodine salts and/or solid state forms thereof.  
WO/2013/180649A1
Compositions for reducing the aggregate content of a protein preparation include a first substrate having a first surface-bound ligand possessing a metal affinity functionality and a second surface-bound ligand optionally provided on a s...  
WO/2013/174911A1
The invention is directed to a method for recovering carboyxlic acid from an magnesium carboxylate containing aqueous mixture comprising, comprising the steps of - contacting the aqueous mixture with an acidic ion exchanger, thereby form...  
WO/2013/173372A1
Disclosed are catalysts comprised of platinum and rhodium on a support selected from the group of zirconia, stabilized (doped) zirconia, zirconia-metal oxide composites, and mixtures thereof, wherein the outer surfaces of the support are...  
WO/2013/164301A1
The invention relates to a method for reacting glycerin, wherein the glycerin is reacted at temperatures above 150°C in an aqueous, liquid solution of Me hydroxide, wherein the concentration of the Me hydroxide is greater than the satur...  
WO/2013/150534A1
The invention relates to compounds and use thereof in the diagnosis and/or in treatment of medical disorders. In some embodiments, the compounds may be used for detecting a cancer. The compound may include a di-acid moiety. In some embod...  
WO/2013/150221A1
The present invention relates to the use of monomers bearing associative groups in order to manufacture a supramolecular polycondensate, to certain of these monomers, to a process for manufacturing a supramolecular polycondensate, to the...  
WO/2013/132507A1
The present disclosure provides a process for recovering PTA (purified terephthalic acid) oxidation catalysts during the manufacture of PTA, using an acid catalyst containing reaction stream resulting from the hydrolysis of an organic es...  
WO/2013/117687A1
The present invention pertains to a method for preparing a carboxylic acid by acidification of a liquid feed comprising a carboxylate salt, which method comprises the steps of - providing a liquid feed comprising magnesium carboxylate; -...  
WO/2013/117026A1
Disclosed is a process for treating a reaction solution containing a long chain dicarboxylate. The process is characterized by comprising: acidifying a reaction solution so as to convert the long chain dicarboxylate into a long chain dic...  

Matches 101 - 150 out of 2,611