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Patent Searching and Data


Matches 1,601 - 1,650 out of 8,942

Document Document Title
WO/1999/018058A1
The invention relates to a method for oxidizing primary alcohols in order to obtain aldehydes and/or carboxylic acids. The reaction takes place in the presence of a catalyst supported on aluminium oxides or aluminium silicates and contai...  
WO/1999/018064A1
The invention concerns a method for functionalizing a phenolic compound bearing an electron-donor group, in said group para position, inter alia a method for the amidoalkylation of a phenolic compound bearing an electron-donor group, and...  
WO/1999/016745A1
The invention relates to novel vitamin D derivatives of general formula (I), a method for the production thereof, intermediate products of the method and the utilization of vitamin D derivatives for producing medicaments.  
WO/1999/013982A1
The invention concerns a catalyst containing: (a) more than 70 wt. % of a polyethyleneglycol of formula (I): H-(OCH¿2?CH¿2?)¿n?-OH, in which: n is a whole number between 3 and 16; and the mean molecular weight in number is less than 6...  
WO/1999/012919A1
Disclosed is a novel process and novel intermediates to prepare [R-(R*,R*) ]-N-[3-[1-[5, 6-dihydro-4-hydroxy -2-oxo-6-(2-phenylethyl) -6-propyl-2H-pyran-3- yl]propyl]phenyl]-5- (trifluoromethyl)-2- pyridinesulfonamide (XIX) which is a pr...  
WO/1999/011588A1
The invention concerns a method for producing compounds containing fluorine characterised in that it consists in reacting a compound containing one or several halogen atoms capable of being replaced by fluorine with a fluoride correspond...  
WO/1999/011607A1
Disclosed is a novel method for producing 1-(3-cyclopentenyloxy- 4- alkoxyphenyl)-4- oxocyclohexanecarbonitrile of general formula (I). A 4-cyano-4- (3-cyclopentenyloxy- 4-methoxyphenyl)- heptanediaciddialkyl ester of general formula (II...  
WO/1999/008985A1
Acetaldehyde may be effectively removed from a contaminated methanol stream using a distillation method wherein a solvent stream comprised of a relatively heavy polar compound such as water or propylene glycol is utilized as an extractiv...  
WO/1999/007469A1
Process to separate a group 8-10 metal/phosphite ligand complex from an organic liquid mixture, wherein the following steps are performed: (1) contacting the organic liquid with a support having bonded thereto an organophosphine ligand a...  
WO/1999/007668A1
Novel non-steroidal ligands for the estrogen receptor which possess tissue-dependent estrogenic and antiestrogenic activity as well as methods for making the same and their applications in treating a variety of disease states.  
WO/1999/006392A1
The invention concerns a method for preparing compounds of formula (I) in which R¿1? to R¿5?, n, Y are as defined in claim 1, comprising a step consisting in reacting a phenolic derivative of formula (II) in which R¿1? to R¿4? are as...  
WO/1999/006345A1
The present invention provides an improved hydroformylation process in which the catalyst system is composed of a Group VIII metal and organic ligand containing phosphorous having the structure (PR¿2?)?n¿R' where n is an integer from 1...  
WO/1999/005085A1
A process for the catalytic hydrogenolysis of glycerol in the presence of a homogeneous catalyst that is based on a platinum group metal or a compound of a platinum group metal, an anion source, and a metal-complexing compound of the for...  
WO/1999/003810A1
The invention relates to a method for producing oxo products by hydroformylation of substrates with C=C double bonds, using unmodified rhodium catalysts in a reaction mixture consisting essentially of the substrates, the catalyst and car...  
WO/1999/003809A1
An improved method for the selective vapor phase oxidation of propylene to acrolein in a recirculating solids reactor system using a bismuth molybdate multimetal oxide involving specific reactant concentrations (preferably 5 mol % to 30 ...  
WO/1999/002477A1
According to the invention, branched and straight chain alkenes and cycloalkenes with five and more C-atoms are by means of hydroformylation using a novel rhodium-tri-polyethylene glycolate of a polyethylene glycol with an average molecu...  
WO/1999/002478A1
A method is disclosed for preparing 3,3-dimethylbutyraldehyde by using silica gel to isomerize 3,3-dimethyl-1,2-epoxybutane, which in turn may be prepared by oxidation of dimethylbutene. Also disclosed is a method for oxidizing dimethylb...  
WO/1999/002480A1
A process for the removal of formaldehyde species from a liquid carboxylic acid or carboxylic acid ester stream which forms a two-phase mixture with water is disclosed which comprises the step of subjecting the liquid organic mixture to ...  
WO/1999/000347A1
The present invention relates to a fragrance delivery system for use in laundry detergent compositions including rinse-added and dryer-added fabric conditioning compositions which provides a long lasting 'freshness' or 'clean' scent to f...  
WO/1998/055436A1
The invention relates to a method for producing formaldehyde from methanol by dehydration in a reactor in the presence of a catalyst at a temperature of between 300 and 1000 �C. Said method is characterized in that a circular gas curre...  
WO/1998/055434A1
The invention relates to a method for producing formaldehyde from methanol by dehydration in a reactor in the presence of a catalyst and at a temperature of between 300 and 1000 �C. Said method is characterized in that a current of car...  
WO/1998/055433A1
The invention relates to a method for producing formaldehyde from methanol by dehydrogenating methanol at a temperature of between 300 and 1000 �C in the presence of a catalytically active species released from a sodium compound. Said ...  
WO/1998/055435A1
The invention relates to a method for producing formaldehyde from methanol by dehydration in a reactor in the presence of a catalyst at a temperature of between 300 and 1000 �C. Said method is characterized in that the generation of th...  
WO/1998/054118A1
A method wherein a gas stream containing carbon oxide and hydrogen sulfide is first passed in contact with a catalyst comprising a supported metal oxide of a metal selected from the group consisting of vanadium (V), niobium (Nb), molybde...  
WO/1998/052899A1
Compounds having potent activities of inhibiting bone resorption and being useful as preventives/remedies for bone and cartilage diseases and medicinal compositions containing the same. The compounds refer to polyhydroxyphenols represent...  
WO/1998/047473A1
The invention relates to the use of unsaturated aldehydes of formulae (Ia) or (Ib), wherein R?1�, R?2�, R?3� and R?4� independently mean hydrogen, halogen, a C�1?-C�4?-alkoxy, C�1?-C�4?-alkyl, aryl radical or a C�1?-Cï¿...  
WO/1998/047848A1
The invention concerns a method for preparing aromatic aldehydes from halogenonaphthalene compounds, more particularly for preparing 2-formyl-6-methoxynaphthalene. The method for preparing an aromatic aldehyde from a naphthalene compound...  
WO/1998/046564A1
This invention relates to a composition commprising (a) epsilon caprolactam and (b) one or more of 5-[4,5-di(3-carboxypropyl)-2-pyridyl]pentanoic acid or salt or amide, 4-[4,5-di(2-carboxypropyl)-2-pyridyl]-2-methylbutanoic acid or salt ...  
WO/1998/045237A1
The invention relates to a method for producing aromatic aldehydes from specially structured phenone ketals. First, the phenone ketal is added to a vinyl ether in the presence of Lewis acid catalysts. The acetal arising therefrom is subj...  
WO/1998/042717A1
The invention relates to a diphosphine of the following formula: R?1�>P-R?2�-PR?3�R?4� wherein R?2� represents a covalent bridging group, R?1� represents a bivalent radical that together with the phosphorus atom to which it i...  
WO/1998/042328A1
The present invention relates, $i(inter alia), to compounds that bind tubulin and exhibit anti-mitotic properties and to methods of using such compounds to inhibit abnormal cell mitosis and, in particular, to inhibit tumor cell growth. I...  
WO/1998/041494A1
The invention relates to a method for producing n-butyraldehyde and/or n-butanol, whereby a) 1.3 butadiene or hydrocarbon mixtures containing butadiene are reacted with an alcohol of the formula (I) ROH wherein the radical R is an unsubs...  
WO/1998/039337A1
Process for synthesising pure enantiomer anthracycline. Compounds of formula (I) can be produced by using compounds of formulas (II) and (III).  
WO/1998/035928A1
The selective production of $g(a)-alkylcinnamaldehydes such as Jasminaldehyde is carried out through a process which involves two consecutive reaction : the acetalization of n-alkylaldehyde by direct reaction with an alcohol or by transa...  
WO/1998/034896A1
A method is disclosed for preparing 3,3-dimethylbutyraldehyde by isomerization of 3,3-dimethylepoxybutane with a basic lithium salt which in turn may be prepared by oxidation of dimethylbutane. The method provides an economical means of ...  
WO/1998/033758A1
A compound of formula (I), wherein R?1� and R?2� each represents a lower alkyl, or R?1� and R?2� may be bonded together to form a ring; X represents a spacer of which the number of atoms constituting the principal chain is 1 to 1...  
WO/1998/032532A1
A catalyst for halogen-fluorine exchange reactions of aromatic compounds essentially consists of a mixture of one or more compounds (a) and at least one compound (b), (c) and/or (d). (a) is an amidophosphonium salt of formula (I), in whi...  
WO/1998/032533A1
The invention relates to the use of phosphorus compounds containing one or more perfluoroalkyl chains of the general formula R?1� [R?1� = -(CH�2?)�x?(CF�2?)�y?E (E=F, H, x = 0-4, y = 2-12)] as catalysts or constituents of cat...  
WO/1998/031694A1
The invention relates to guanidinium phosphanes of the general formula (I), where n is an integer between 1 and 3, X represents Cl, Br, I or PF�6?, R?1�, R?2�, R?3�, R?4� are equal or different and represent a C�1?-C�6? alk...  
WO/1998/030526A1
The invention concerns a process for preparing aldehydes by reacting with hydrogen and carbon monoxide at a temperature of between 20 and 170 �C and a pressure of between 1 and 300 bar an olefinically unsaturated C�6?-C�16? compoun...  
WO/1998/030527A1
The invention concerns a process for preparing aldehydes by reacting with hydrogen and carbon monoxide at a temperature of between 20 and 170 �C and a pressure of between 1 and 300 bar an olefinically unsaturated C�3?-C�5? compound...  
WO/1998/029376A1
This invention is directed to processes for the solid-phase synthesis of aldehydes, ketones, oximes, amines and hydroxamic acid compounds and to polymeric hydroxylamine resin compounds useful therefor.  
WO/1998/028250A1
The invention relates to a method for producing carbonyl compounds of formula (I), in which R?1� is a hydrogen atom or alkyl radical with between 1 and 3 C atoms; R?2� is a hydrogen atom or a radical of formula (II), in which R?3� ...  
WO/1998/028251A1
The invention relates to a method for producing carbonyl compounds of formula (I), in which R?1� is a hydrogen atom or an alkyl radical with between 1 and 3 C atoms; R?2� is a hydrogen atom or a radical of formula (II) in which R?3ï¿...  
WO/1998/028074A1
A supported catalyst comprising a support, an anchoring agent such as a heteropoly acid or anion, and a metal complex which is useful in a wide variety of organic reactions, especially the hydrogenation of substituted $g(a), $g(b) unsatu...  
WO/1998/028253A1
The invention relates to a method for producing polymethylol compounds of formula (I), in which R represents a further methylol group or an alkyl group with between 1 and 22 C atoms or an aryl or alkyl aryl group with between 6 and 22 C ...  
WO/1998/026185A1
A subassembly of an electric motor and a fan for use in an air conditioner (10) includes a centrifugal fan (20) adapted for rotation about a longitudinal axis. The fan (20) has an open inlet end at one longitudinal end thereof and convex...  
WO/1998/025875A1
Compounds of the formula (1) where the symbols have the meaning defined in the specification, have retinoid, retinoid antagonist and/or retinoid inverse-agonist-like biological activity.  
WO/1998/025874A1
The invention relates to a method for the production of polymerizable biaryl derivatives, characterized in that a 6 ring aromatic compound which carries ester or benzylic OH groups in 1.4 position is made to react with a second aromatic ...  
WO/1998/024746A1
A process for the preparation of acrolein and acrylic acid by catalytic vapor-phase oxidation of propylene with molecular oxygen or a gas containing molecular oxygen in the presence of an oxidation catalyst containing Mo, Bi and Fe as th...  

Matches 1,601 - 1,650 out of 8,942