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Matches 351 - 400 out of 33,795

Document Document Title
WO/2018/171027A1
The present invention relates to a method for processing an acetic acid solvent in crude terephthalic acid (CTA) in an oxidation unit of a pure terephthalic acid (PTA) industrial device. In the present invention, a filter cake in CTA is ...  
WO/2018/172783A1
There is described a method of reducing polymer tar build-up in the production of methyl methacrylate and/or methacrylic acid by the acetone cyanohydrin process. In the method a stabiliser is contacted with the amide stage reaction mediu...  
WO/2018/171028A1
The present invention relates to a method for recycling mother liquor in a PTA refined unit. The present invention achieves recovery of waste heat carried by PTA mother liquor and PT acid by using high-efficient multi-stage flash evapora...  
WO/2018/173307A1
The purpose of the present invention is to provide a method for industrially effectively producing, without significant cost, acetic acid which has a good potassium permanganate test value. The present invention provides a method includi...  
WO/2018/166881A1
Method for the preparation of a solid mixture comprising the steps: - preparing a solution comprising - oxalic acid or oxalic acid salts, - one or more inorganic salts, - lyophilizing the solution  
WO/2018/163210A2
The present invention provides a process for preparation of halo substituted benzoic acid compound of Formula (1) and intermediates thereof.  
WO/2018/163004A1
Disclosed is a method of producing hydrogen from monoethylene glycol. The method includes mixing an aqueous base, monoethylene glycol, and an iridium chloride (IrCl3) catalyst solubilized therein under conditions sufficient to produce hy...  
WO/2018/163448A1
Provided is a method for producing acetic acid, by which it is possible to greatly improve the service life of a silver-substituted ion exchange resin (IER) that is used to remove organic iodine compounds in acetic acid. In this method f...  
WO/2018/165283A1
A method of making acrylic acid in liquid phase by contacting a feed stream containing lactic acid, lactide, or mixtures thereof with a molten salt catalyst comprising a protic ionic liquid (PIL), which contains a bromide anion (Br-), is...  
WO/2018/163449A1
Provided is a method whereby acetic acid that exhibits good results in a potassium permanganate test can be produced efficiently in an industrial manner without involving excessive cost. This method for producing acetic acid includes a c...  
WO/2018/163198A1
The present invention disclosed a single step process for the conversion of cyclohexane to adipic acid by using manganese oxide, tungsten oxide or Mn-WOx nanostructure having improved yield and selectivity.  
WO/2018/162906A1
The present invention relates to a process for preparing a magnesium formate based metal-organic framework. The process comprises (a) combining magnesium or magnesium oxide with formic acid; (b) heating the reaction mixture of step (a) a...  
WO/2018/158672A1
A continuous process for oxidizing a di-alkyl substituted aromatic compound with compressed air in a primary bubble column reactor; including removing a portion of the three phase reaction medium to a post–oxidation bubble column unit ...  
WO/2018/159028A1
The present invention provides an industrially excellent production method by which N-benzyl-2-bromo-3-methoxypropionamide can be safely produced in high yield at lower cost. The production method of the present application comprises, in...  
WO/2018/153727A2
The present invention relates to a process for the carbonylation of allyl alcohols at low temperature, low pressure and/or low catalyst load. In an alternative embodiment, an acylation product of allyl alcohol is used for carbonylation. ...  
WO/2018/154314A1
A method of processing an aqueous hemicellulosic stream containing lignin, comprising: (a) contacting an aqueous hemicellulosic stream containing lignin with a C3-8 alkyl alcohol at elevated temperature and acidic pH; (b) separating the ...  
WO/2018/154056A1
A process (100) is proposed for producing ethylene by subjecting ethane in a reaction feed to partial catalytic conversion by oxidative dehydrogenation (1) in the presence of oxygen to give a gaseous first mixture of components that comp...  
WO/2018/150379A2
Methods for preparation of olefins, including 8- and 11-unsaturated monoenes and polyenes, via transition metathesis-based synthetic routes are described. Metathesis reactions in the methods are catalyzed by transition metal catalysts in...  
WO/2018/150797A1
Provided is a catalyst that can produce methacrylic acid at high selectivities by the gas-phase catalytic oxidation of methacrolein. The catalyst is a catalyst for production of methacrylic acid which is used for the production of methac...  
WO/2018/149791A1
The invention relates to a catalyst material for oxidizing hydrocarbons with gaseous oxygen, containing V and a TiO2 material which is doped with Sb and to the use of TiO2 material doped with Sb as a carrier material in a catalyst materi...  
WO/2018/150421A1
The invention provides efficient cyclization processes of hydroxyalkenoic acids and products produced therefrom. The following reactions are claimed: Formula (I), (II), (V) and (VI).  
WO/2018/146895A1
In the present invention, acetic acid is produced by means of a process including: a step (1) for performing a methanol carbonylation reaction; a step (2) for separating a reaction mixture into a volatile phase and a low-volatility phase...  
WO/2018/145622A1
Provided in the present invention is a method for preparing a salvianolic acid A salt, the preparation method being: dissolving salvianolic acid A in water, then adjusting the pH value to be 1.2-5.5 by using an aqueous solution of a basi...  
WO/2018/141961A1
The present invention relates to a process for the manufacturing of 1-aryl-1-trifluoromethylcyclopropanes, which serve as intermediates for the manufacturing of calcium T channel blockers of the general formula (A) which are described in...  
WO/2018/141653A1
The invention relates to a mixed oxide material comprising the elements molybdenum, vanadium, niobium and tellurium, which, when using the Cu-Kα radiation, has diffraction reflections h, i, k and l in the XRD spectrum, said diffraction ...  
WO/2018/141654A1
The invention relates to a method for producing a mixed oxide material, comprising the steps of: a) producing a mixture of starting compounds containing molybdenum, vanadium, niobium and tellurium-containing starting compounds as well as...  
WO/2018/143782A1
A highly functional solid oxygen composition according to an embodiment of the present invention is characterized by comprising a solid oxygen compound, an antibacterial substance, and a polymer binder, wherein the solid oxygen compound ...  
WO/2018/141652A1
The invention relates to a mixed oxide material comprising the elements molybdenum, vanadium, niobium and tellurium, which mixed oxide material has diffraction reflections h, i, k and l in XRD analysis in the presence of Cu-Kα radiation...  
WO/2018/138686A1
Processes for producing a disubstituted oxalate are disclosed. The process includes contacting a cesium salt with one or more alcohols and carbon dioxide (CO2) under reaction conditions sufficient to produce a composition comprising a di...  
WO/2018/138705A1
Processes for producing cesium oxalate are disclosed. The process includes contacting cesium carbonate, cesium hydrogenbicarbonate or a mixture thereof with carbon dioxide and carbon monoxide, carbon dioxide and hydrogen or carbon monoxi...  
WO/2018/138689A1
Processes for producing a disubstituted oxalate are disclosed. The process includes contacting a cesium salt with one or more alcohols and carbon dioxide (CO2) under reaction conditions sufficient to produce a composition comprising a di...  
WO/2017/176391A3
A process for oxidizing methyl-substituted biphenyl compounds comprises contacting a mixture comprising isomers of at least one methyl-substituted biphenyl compound with a source of oxygen, wherein the mixture comprises at least 20 wt% o...  
WO/2018/135016A1
Provided is a method whereby the formic acid concentration in product acetic acid can be reduced by using a simple means. This acetic acid production method is characterized by having, in the acetic acid production process, at least one ...  
WO/2018/135015A1
Provided is a method whereby corrosion of a distillation device can be suppressed in an acetic acid production method including a step in which a crude acetic acid solution including acetic acid and impurities having a higher boiling poi...  
WO/2017/204913A3
This disclosure relates to methods for producing purified aromatic esters useful as plasticizers, to the purified aromatic esters, and to polymer compositions containing the purified esters. The purified aromatic esters can be produced b...  
WO/2018/135014A1
Provided is an acetic acid production method whereby, in a liquid separation step in which a process stream is separated into an aqueous phase and an organic phase, a byproduct acetaldehyde can be separated and removed in an industrially...  
WO/2018/135047A1
Provided are: a method for producing fluorenylidene diallylphenols represented by formula (1), the method including a reaction step for reacting fluorenones represented by formula (2) and allylphenols represented by formula (3) in the pr...  
WO/2018/128959A1
A process comprising: a) hydrogenating an aromatic compound comprising an aromatic ring and a substitutable hydrogen atom on said aromatic ring to form optionally substituted cyclohexene; b) contacting the cyclohexene with an oxidant und...  
WO/2018/126897A1
Disclosed is an application of sodium 5-bromo-2-(α-hydroxypentyl) benzoate (BZP) in drugs treating cardiovascular disease, belonging to the field of pharmaceutical chemistry. Experiments show that BZP has a protective effect with regard...  
WO/2018/128960A1
A process comprising: a) contacting an aromatic compound comprising an aromatic ring and a substitutable hydrogen atom on said aromatic ring with an oxidation catalyst and an oxidant under conditions effective to hydroxylate the aromatic...  
WO/2018/122296A1
The present invention relates to a method using a specific catalyst for upgrading ketoacid to intermediates for fuel and chemical industry, intermediates obtained by the method and to their use.  
WO/2018/125459A1
Processes for manufacturing a purified aromatic carboxylic acid include oxidizing a substituted aromatic compound in a reaction zone to form a crude aromatic carboxylic acid and a gaseous stream; heating the crude aromatic carboxylic aci...  
WO/2018/125455A1
Processes for manufacturing a purified aromatic carboxylic acid include contacting crude aromatic carboxylic acid with hydrogen in the presence of a catalyst in a hydrogenation reactor to form a purified aromatic carboxylic acid; separat...  
WO/2018/122169A1
The present invention relates to a method for upgrading lignocellulosic material carbohydrates and/or carbohydrate derivatives by dimerisation and/or oligomerisation using specific catalysts and to the use of the upgraded products.  
WO/2018/121043A1
The present invention produces high-quality adipic acid by using a mixed liquid, containing materials such as nitric acid, adipic acid, glutaric acid and succinic acid, obtained by a nitric acid oxidation method through triple purificati...  
WO/2018/125784A1
Disclosed herein are processes for converting an unsaturated fatty acid into a saturated branched-chain fatty acid through a zeolite-catalyzed process and methods of economically regenerating and reusing the zeolite catalyst. The process...  
WO/2018/118700A1
The present disclosure relates to a process for producing high-purity acrylic acid using azeotropic distillation and using water as an entrainer. This disclosure provides a process for separating acrylic acid from recovered feed streams ...  
WO/2018/114747A1
The invention relates to an integrated process for the production of ethylene and vinyl acetate (VAM), comprising contacting in a first reaction zone a gas stream comprising ethane and optionally ethylene with an oxygen- containing gas s...  
WO/2018/115873A1
A process for purification of a crude product stream recovered from the production of acrylic acid by an aldolisation reaction is disclosed. The product stream comprises acrylic acid, formaldehyde, water, non-condensable vapours and opti...  
WO/2018/116143A1
A method of purifying acetic acid includes passing a feed stream comprising acetic acid through a distillation column; contacting the acetic acid with an oxidizing agent and hydrogen gas within the distillation column; and withdrawing an...  

Matches 351 - 400 out of 33,795