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Matches 351 - 400 out of 2,569

Document Document Title
WO/2003/033552A1
A method for the production of polycarboxylic acids is provided via the present invention. The novel method herein comprises the steps of i) mixing a phosphorous containing reducing agent with at least one carboxylic acid monomer to form...  
WO/2003/024912A1
The invention concerns a method for making adipic acid crystals, and the resulting crystals. More specifically, the invention concerns a method for treating the resulting adipic acid crystals after crystallization to obtain crystals capa...  
WO2002078924A3
Compounds and compositions comprising specific metal salts of hexahydrophthalic acid (HHPA) in order to provide highly desirable properties within thermoplastic articles are provided. The inventive HHPA derivatives are useful as nucleati...  
WO/2003/014055A1
The invention relates to a method of oxidising hydrocarbons, particularly branched or non-branched saturated aliphatic hydrocarbons, cycloaliphatic or alkylaromatic hydrocarbons or alcohols and/or ketones, to acid or polyacid compounds. ...  
WO2002064543A3
A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.  
WO/2002/098792A1
A method of selectively removing an acid, e.g., HF, which coexists with an organic acid fluoride unstable to water. The method of separating an acid from a system in which the acid coexists with an organic acid fluoride represented by th...  
WO/2002/078924A2
Compounds and compositions comprising specific metal salts of hexahydrophthalic acid (HHPA) in order to provide highly desirable properties within thermoplastic articles are provided. The inventive HHPA derivatives are useful as nucleati...  
WO2002013778A3
The invention relates to cosmetic preparations containing dicarboxylic acid of formula (I) wherein A represents a linear or branched alkylene radical comprising 4 to 24 carbon atoms.  
WO/2002/064543A2
A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.  
WO2001072732A3
Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and t...  
WO2002026750A3
Disclosed are substantially enantiomerically pure bis-phosphine compounds comprising a substantially enantiomerically pure chiral backbone linking two phosphine residues wherein one of the phosphine residues has three phosphorus-carbon b...  
WO/2002/048094A1
Disclosed in a process for making (1) a compound of the formula NC-CH2-CH2-CH2-CH2-CO2R', wherein R' is H or C1 to C12 alkyl, or (2) adipic acid or (3) dimethyl adipate, using as the substrate, 3-pentenenitrile, (2) 3-pentenoic acid or m...  
WO/2002/048130A1
The invention relates to a method for the hydrogenation of C¿4?-dicarboxylic acids or derivatives thereof in the gas phase. The method is carried out in a fluid bed reactor. Known catalytic compositions may be applied.  
WO/2002/044110A1
The present invention relates to an oxidation reaction in the presence of phase-transfer catalyst controlling reaction, which may be represented by general formular [(R1) (R2) (R3) (R4) N]xH¿y?[A], or QmMO3(L). The kind of catalyst itse...  
WO2002010228A3
Polymeric materials are recycled by transformation to useful chemicals by oxidization in the liquid phase using acetic acid as a solvent and a metal bromide catalyst.  
WO/2002/028778A1
The invention concerns a method for co-precipitating actinides in oxidation state (IV) which consists in: adding an organic complexing agent selective of actinides (IV) and consisting only of oxygen, carbon, nitrogen and hydrogen atoms, ...  
WO2001087815A3
Aliphatic carboxylic acids of formulae (Ib) R<1>-COOH(Ia) and R<2>-COOH wherein R<1> is tertiary C4-20-alkyl and R<2> is selected from hydrogen and C1-6-alkyl, or R<1> and R<2> together are -(CH2)n-with n = 3 to 10, are produced by oxidi...  
WO/2002/026750A2
Disclosed are substantially enantiomerically pure bis-phosphine compounds comprising a substantially enantiomerically pure chiral backbone linking two phosphine residues wherein one of the phosphine residues has three phosphorus-carbon b...  
WO/2002/026701A2
Ionic compounds with a freezing point of up to 100 °C are formed by the reaction of an one amine salt of formula (I) R?1¿ R?2¿ R?3¿ R?4¿ N?+¿ X?-¿, such as choline chloride with an organic compound (II) capable of forming a hydrog...  
WO/2002/016298A1
A supported gold catalyst is used for selective oxidation. In particular, an alcohol or ketone is oxidized to produce the corresponding carboxylic acid, an alcohol is oxidized to produce the corresponding ketone, and xylene is oxidized t...  
WO/2002/013778A2
The invention relates to cosmetic preparations containing dicarboxylic acid of formula (I) wherein A represents a linear or branched alkylene radical comprising 4 to 24 carbon atoms.  
WO/2002/010228A2
Polymeric materials are recycled by transformation to useful chemicals by oxidization in the liquid phase using acetic acid as a solvent and a metal bromide catalyst.  
WO/2002/006202A1
A process for producing compounds of formula (VIIa) and (VIIb) wherein X is a leaving group; Y and Y?1¿ are idependently Cl or Br; and Z is Cl, Br or a haloalkyl group which process comprises a) reacting a compound of formula (VII) wher...  
WO/2002/004396A1
According to the present invention there is provided a process for retarding the discolouration of dicarboxylic acids, said process comprising: a) heating said dicarboxylic acid to a temperature above its melting point; b) adding water t...  
WO/2002/004397A1
A method for producing a fluorine-containing compound, characterized in that a compound (1) is reacted with a compound (2) to produce a compound (3) having a fluorine content of 30 mass % or more, the compound (3) is fluorinated in a liq...  
WO/2002/000588A1
The invention concerns a method for oxidising with oxygen or an oxygen-containing gas, hydrocarbons into corresponding carboxylic acids, alcohols and/or ketones or alcohols and/or ketones into corresponding carboxylic acids. More precise...  
WO/2001/087815A2
Aliphatic carboxylic acids of formulae (Ib) R?1¿-COOH(Ia) and R?2¿-COOH wherein R?1¿ is tertiary C¿4-20?-alkyl and R?2¿ is selected from hydrogen and C¿1-6?-alkyl, or R?1¿ and R?2¿ together are -(CH¿2?)¿n?-with n = 3 to 10, are...  
WO2001023061A3
Volatile compounds may be economically recovered from solids present in aqueous solution by subjecting the solution to rapid separation where the volatilization occurs in a flash, spray, or fluid bed, or mechanically agitated dryers. Rap...  
WO/2001/074828A1
The invention concerns a water soluble compound of formula ($g(a)) wherein: A represents naphthyl or phenyl; and Ar¿1? and Ar¿2? independently represent a saturated or aromatic carbocyclic group; X¿a?, X¿b? are independently selected...  
WO/2001/072732A2
Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and t...  
WO/2001/066502A1
The invention concerns a method for oxidising hydrocarbons, in particular saturated aliphatic hydrocarbons, whether branched or not, cycloaliphatic and alkylaromatic hydrocarbons into acid or polyacid compounds. More particularly, the in...  
WO/2001/064614A1
The invention relates to a method for producing chlorocarboxylic acid chlorides of formula (I), wherein R?1¿ and R?2¿, independently from one another, mean a hydrogen atom, an organic radical containing carbon, a halogen, a nitro or cy...  
WO/2001/042191A1
The present invention is directed to a method for the prophylactic and therapeutic treatment of diabetic retinopathy. The method involves the administration of an inhibitor of formulae (I), (II) and (III) of the branch chain amino acid-d...  
WO/2001/027075A1
A process for manufacturing acrylonitrile comprising reacting propylene, ammonia and oxygen in a reactor zone in the presence of a catalyst to produce a reactor effluent containing crude acrylonitrile, transferring the reactor effluent c...  
WO/2001/025467A1
A fermentation medium containing: (a) a source of metabolizable carbon and energy; (b) a source of inorganic nitrogen; (c) a source of phosphate; (d) at least one metal selected from the group consisting of an alkali metal, an alkaline e...  
WO/2001/023061A2
Volatile compounds may be economically recovered from solids present in aqueous solution by subjecting the solution to rapid separation where the volatilization occurs in a flash, spray, or fluid bed, or mechanically agitated dryers. Rap...  
WO/2001/017375A1
This invention provides an emulsified fat product which is fortified with calcium. This invention also provides novel calcium-containing salts and sources and methods for their preparation and their use in the above said emulsified fat p...  
WO/2001/000557A1
The invention concerns a method for making adipic acid, more particularly adipic acid crystals. More precisely, it concerns a method for treating adipic acid crystals derived from crystallisation which consists in dispersing the adipic a...  
WO/2001/000555A1
The present invention relates to one-step oxidation process for preparation of cyclohexane to adipic acid, using molecular oxygen, in liquid phase, in the presence of catalyst, containing either cobalt or cobalt and iron. The catalyst is...  
WO/2000/076661A1
The invention concerns a method for the selective separation of iron from other metal ions in particular ions present in certain oxidation catalysts. The invention also concerns a method for recycling oxidation catalysts in the oxidation...  
WO/2000/069808A1
A process for the preparation of L-carnitine inner salt comprising the reduction, with a suitable reducing agent, of a compound of formula (I): where X¿1? and X¿2?, which may be the same or different, are hydroxy, C¿1?-C¿4? alkoxy, p...  
WO/2000/063147A1
This invention relates to methods of replacing water and cyclohexanone with acetic acid in an aqueous solution of catalyst, preferably a cobalt compound. Such an aqueous solution is produced by extracting catalyst with water from a cyclo...  
WO/2000/059858A1
The invention relates to a method for the oxidation of hydrocarbon in carboxylic acid, alcohol and/or corresponding ketone or alcohol and/or ketone in corresponding carboxylic acid by oxygen or a gas containing oxygen. The inventive meth...  
WO/2000/048981A1
This invention relates to methods of extracting in solution a metal catalyst from a reaction mixture produced by oxidizing cyclohexane to adipic acid in the presence of acetic acid and the metal catalyst. According to this invention, sub...  
WO/2000/048972A1
A oxidation method which comprises reacting a substrate such as a hydrocarbon, an aldehyde, a ketone, or the like with molecular oxygen in the presence of (1) an oxidation catalyst comprising an imide compound such as N-hydroxyphthalimid...  
WO/2000/046172A1
This invention relates to methods of oxidizing hydrocarbons, such as cyclohexane, o-xylene, m-xylene, and p-xylene, to form a respective acid, such as adipic acid, phthalic acid, isophthalic acid, and terephthalic acid, for example, by i...  
WO/2000/037710A1
An indium precursor composition having utility for incorporation of indium in a microelectronic device structure, e.g., as an indium-containing film on a device substrate by bubbler or liquid delivery MOCVD techniques, or as a dopant spe...  
WO/2000/027782A1
Halofluorinated alkylene monomers are made by a method comprising the steps of: (a) subjecting a first polymer which is the reaction product of a fluorinated vinyl monomer and a vinyl comonomer to dehydrohalogenation to form a second pol...  
WO2000001647A3
Organic compounds, e.g., fluoro-organic compounds such as fluorocarboxylic acids or carboxylic acid chlorides can contain small quantities of carboxylic acid fluorides, HF or hydrolysable fluoride. Corrosive fluorides or hydrofluoric aci...  
WO/2000/015597A1
The invention concerns a method for crystallising carboxylic acid, more particularly adipic acid and a method for making crystallised carboxylic acid, more specifically a method for treating a reaction medium derived from direct oxidatio...  

Matches 351 - 400 out of 2,569