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WO/1998/037967A1 |
The invention relates to a method for producing gas-phase catalysts gasphase oxidation of aromatic hydrocarbons into carboxylic acids and/or carboxylic acid anhydrides upon whose carrier material a coating containing catalytically active...
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WO/1998/032430A1 |
The present invention relates to an anesthetic composition containing an anhydrous fluoroether compound and a physiologically acceptable Lewis acid inhibitor (e.g. water, butylated hydroxygene, methylparaben, propofol, thymol). This comp...
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WO/1998/031678A1 |
Preparation of perylene-3,4-dicarboxylic anhydrides of formula (I) in which R?1�, R?2�, R?3�, R?4�, R?5�, R?6�, R?7�, R?8� are hydrogen, or one radical to eight radicals are a radical selected from the group consisting of...
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WO/1998/031654A1 |
The invention concerns aromatic tetracyclic compounds of the retinoid type of general formula (I). The invention also concerns the method for preparing them and the pharmaceutical compositions containing at least one of said compounds.
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WO/1998/030076A1 |
Disclosed is a new humic concentrate produced from natural caustobioliths of the carbon variety, and comprised mainly of hydrated humic acids, humic acid salts and mineral components of the inital caustobioliths that are chemically relat...
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WO/1998/027047A1 |
A process for the preparation of 4,4'-oxybisphthalic dianhydride, comprises the steps of: (a) reacting a 4-halophthalic anhydride, wherein 'halo-' is selected from the group consisting of bromo-, chloro-, and fluoro-, with an alkali meta...
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WO/1998/027029A1 |
Methods for oxidizing a hydrocarbon to an intermediate oxidation product by utilizing an activated initiator. The initiator is activated by partially oxidizing a first mixture of the initiator and a hydrocarbon, which mixture contains a ...
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WO/1998/024749A1 |
A method and apparatus for purifying crude terephthalic acid from a liquid dispersion thereof also containing impurities selected from unreacted starting materials, solvents, products of side reactions and/or other undesired materials is...
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WO/1998/014420A1 |
Crystals of crude benzoic acid whose volume density is not less than 0.2 g/cm?3� and whose average particle diameter is not less than 0.3 mm are put from above into a continuous crystallizer having a stirrer and a heating means and the...
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WO/1998/008605A1 |
Heavy metal catalyst-containing residue obtained from plant for the production of aromatic polycarboxylic acid is processed by dissolving substantially the whole of the residue in an aqueous medium and the catalyst metals are precipitate...
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WO/1998/007682A1 |
Substituted trifluorobenzoic acids and esters thereof, useful as a starting material for the synthesis of quinolonecarboxylic acid compounds useful as medicines, antibacterial agents and antiviral agents, particularly 2,3,4-trifluoro-5-i...
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WO/1998/003470A1 |
A preparation method wherein a carbene or carbenoid precursor of formula (II), wherein Ar�1? is an optionally substituted aryl or heteroaryl radical is contacted with a compound of formula (III), wherein R is a hydrogen or halogen atom...
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WO/1997/049485A1 |
Methods and devices for controlling the reaction of a hydrocarbon to an acid by making phase-related adjustments are disclosed. In order to improve reaction rate and reactivity of the oxidation, a single phase at the operating temperatur...
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WO/1997/044307A1 |
Naphthalenedicarboxylic acid (NDA) particles excellent in fluidity in slurry state, which can be produced by heating a mixture comprising naphthalenedicarboxylic acid and/or ester, an alcohol and water to prepare a solution in water/alco...
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WO/1997/043241A1 |
Novel substituted ethylene compounds useful as drugs, particularly as therapeutic and preventive agents for chronic articular rheumatism and other inflammatory diseases due to immune anomaly. Specifically, substituted ethylene compounds ...
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WO/1997/033856A1 |
Novel diaromatic propynyl or dienyl compounds having general formula (I), and the use thereof in pharmaceutical compositions useful in human or veterinary medicine (in particular for the treatment of dermatological, rheumatic, respirator...
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WO/1997/033881A1 |
Novel bicyclic-aromatic compounds having general formula (I), and the use thereof in pharmaceutical compositions useful in human or veterinary medicine (in particular for the treatment of dermatological, rheumatic, respiratory, cardiovas...
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WO/1997/032571A1 |
Graphitic nanotubes, which include tubular fullerenes (commonly called 'buckytubes') and fibrils, which are functionalized by chemical substitution or by adsorption of functional moieties. More specifically the invention relates to graph...
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WO/1997/032853A1 |
(4-oxy-3-(aryl)phenyl-azaryl or -arylcarbonyloxy compounds, in free or acid addition salt form, are useful as pharmaceuticals for treatment and prophylaxis of inflammation, particularly inflammatory or obstructive diseases of the airways...
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WO/1997/029068A1 |
A purge stream derived from an azeotropic distillation column and containing an entrainer, a hydrocarbon, and an aliphatic acid (e.g. n-propyl acetate, a xylene and acetic acid respectively) is processed using a stripping column to effec...
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WO/1997/029070A1 |
This invention provides perfluoro(alkoxycycloalkane) carbonyl fluoride compounds wherein, pendant from the fluorinated ring, are from 2 to 5 perfluoroalkoxy groups having from 1 to 4, preferably 1 to 2, carbon atoms with the proviso that...
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WO/1997/028136A1 |
The invention relates to 4-benzoylisoxazole derivatives of formula (Ia), 5-phenylisoxazole derivatives of formula (Ib) and 2-cyano-1,3-dione derivatives of formula (Ic), wherein R1, R2, R3, X and n are as defined in the description, and ...
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WO/1997/026237A1 |
Novel aromatic polycyclic retinoid-type derivatives of general formula (I), wherein groupings R3 and R4 attached to the double bond between carbons 11 and 12 are cis groupings, and pharmaceutical and cosmetic compositions containing same...
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WO/1997/024311A1 |
This invention relates to a process for manufacturing terephthalic acid and more particularly, to a process for manufacturing and recovering the highly purified terephthalic acid, in accordance with the practice of this invention compris...
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WO/1997/024310A1 |
This invention relates to a process for manufacturing terephthalic acid and more particularly, to a process for manufacturing terephthalic acid in a high recovery rate with high purity in accordance with the practice of this invention co...
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WO/1997/024312A1 |
This invention relates to a process for manufacturing terephthalic acid and more particularly, to a process of manufacturing and recovering the highly purified terephthalic acid using an alkali weight-reduction waste water discharged fro...
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WO/1997/020796A1 |
This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optiona...
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WO/1997/020877A2 |
Poly(bis-9,9'-fluorenes) are disclosed with identical or different recurring structural elements of formula (I), in which the two R1 groups independently of one another stand for H, C1-C18-alkyl, C6-C14-aryl, C7-C15-aralkyl, C1-C18-alkox...
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WO/1997/020795A1 |
This invention relates to processes which comprise reacting one or more reactants in the presence of a metal-organopolyphosphite ligand complex catalyst and optionally free organopolyphosphite ligand, and an amount of a sterically hinder...
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WO/1997/020793A1 |
This invention relates to a process for producing one or more products in a staged reactor having more than one reactive stage which process comprises reacting in said staged reactor one or more reactants with carbon monoxide in the pres...
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WO/1997/020792A1 |
This invention relates to a process which comprises reacting one or more reactants in the presence of a metal-organophosphite ligand complex catalyst and dissolved water and optionally free organophosphite ligand to produce a reaction pr...
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WO/1997/020801A1 |
This invention relates to a process which comprises reacting one or more reactants in the presence of a metal-organopolyphosphite ligand complex catalyst and optionally free organopolyphosphite ligand to produce a reaction product fluid ...
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WO/1997/019142A2 |
The invention concerns the use of compounds present in the liquid-crystalline phase discotic in a plastic-columnar manner for conveying electrical charges.
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WO/1997/017400A1 |
A light colored basic alkali or alkaline earth metal organic salt is obtained by the reaction of a basic metal compound, an alkyl phenol and/or a carboxylic acid, carbon dioxide, and thereafter post-treating the reaction product with an ...
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WO/1997/017318A1 |
The invention provides a method for purifying a crude naphthalenedicarboxylic acid comprising the steps of mixing a crude naphthalenedicarboxylic acid and a water/alcohol solvent to esterify a part of the naphthalenedicarboxylic acid, th...
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WO/1997/012853A1 |
Dimer-selective RXR modulator compounds having agonist, partial agonist and/or antagonist activity in the context of an RXR homodimer and/or RXR heterodimers are provided. Also provided are pharmaceutical compositions incorporating such ...
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WO/1997/010819A1 |
This invention relates to methods and compositions for the treatment of non-insulin-dependent diabetes mellitus using an RXR agonist alone or in combination with a PPAR'gamma' agonist such as a thiazolidinedione compound.
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WO/1997/010813A1 |
The present invention relates to a method of treating obesity, diabetes and other metabolic disorders in a mammal by administering to the mammal a pharmaceutical composition containing a compound that antagonizes the activity of PPAR'gam...
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WO/1997/009297A2 |
Aryl-substituted and aryl and (3-oxo-1-propenyl)-substituted benzopyran, benzothiopyran, 1,2-dihydroquinoline, and 5,6-dihydronaphthalene derivatives have retinoid negative hormone and/or antagonist-like biological activities. The invent...
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WO/1997/000845A1 |
2,3-Dihalogeno-6-trifluoromethylbenzene derivatives represented by general formula (I) and useful as the starting material of pesticides, drugs, etc., wherein X1 and X2 are the same or different and each represents fluoro or chloro: and ...
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WO/1996/040610A1 |
Methods and devices for making intermediate oxidation products by atomizing a first liquid containing a reactant into a gas containing an oxidant in a manner to form an intermediate oxidation product different than carbon monoxide and/or...
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WO/1996/040612A1 |
A method and apparatus for purifying crude terephthalic acid from a liquid dispersion thereof also containing impurities selected from unreacted starting materials, solvents, products of side reactions and/or other undesired materials is...
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WO/1996/039595A1 |
An effluent gas (10) derived from the production (R) of an aromatic dicarboxylic acid such as terephthalic acid is subjected to catalytic combustion (18) to effect complete conversion of any methyl bromide content to HBr and/or Br2 and t...
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WO/1996/034853A1 |
Amyloid binding compounds which are derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to diagnose other pathological conditions characterized b...
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WO/1996/027577A1 |
Disclosed is a process for the preparation of 4,4'-stilbenedicarboxylate esters by a 3-step process utilizing p-toluic acid, an alkyl p-formylbenzoate and a trialkyl phosphite. The steps comprise: (1) preparing p-(chloromethyl)benzoic ac...
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WO/1996/025383A1 |
Novel benzoic acid derivatives have formula (I) wherein: -X- represents C1 to C6 alkylene, C2 to C6 alkenylene or a divalent moiety having the structure -(CH2)m-Z- in which m is an integer from 0 to 3 and Z represents -O-, -S- or -NH-; -...
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WO/1996/023758A1 |
Nucleus-halogenated benzoyl chlorides are obtained in a particularly advantageous manner by reacting nucleus-halogenated benzotrichlorides with formic acid in the presence of iron salts.
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WO/1996/022965A1 |
Compounds of formula (I), Q-(CH2)a-(X1)b-Q1-Q2-C(X2)-N(R1)(R2), wherein Q is an aryl radical, X1 is oxy, thio, sulphinyl or sulphonyl, X2 is oxygen or sulphur, Q1 is a cyclopropanediyl radical, Q2 is an arylene radical, and R1 and R2 are...
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WO/1996/020930A1 |
Acetylenes substituted with a phenyl or heteroaryl group and with a 5,6,7,8-tetrahydronaphthyl or 7,8-dihydronaphthyl group have retinoid-like biological activity. The 5,6,7,8-tetrahydronaphthyl or 7,8-dihydronaphthyl group is substitute...
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WO/1996/020937A1 |
Compounds of formula (1), wherein R1-R3 and R5 independently are hydrogen, lower alkyl of 1 to 6 carbons, branched chain alkyl or cycloalkyl of 3 to 15 carbons, lower alkyl substituted cycloalkyl of 3 to 15 carbons; R4 is lower alkyl of ...
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