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Patent Searching and Data


Matches 1,251 - 1,300 out of 7,063

Document Document Title
WO/1998/027057A2
A novel method for producing trifluoroacetoacetic acid anilides of formula (I), wherein R?1� has the meanings cited in the description, and trifluoroacetoacetic acid chloride is made to react with anilines of formula (III) optionally i...  
WO/1998/025890A1
A process for the preparation of a sulphonamide of formula: RSO�2?NR?1�R?2� wherein R represents C�1?-C�10? alkyl or C�6?-C�10? aryl; and R?1� and R?2� independently represent hydrogen, C�1?-C�10? alkyl or C�6?-Cï...  
WO/1998/025891A1
A process for the preparation of fatty acid esters of isethionic acid or salts thereof by reacting a fatty acid and/or a fatty acid alkyl ester with isethionic acid at a temperature of 130 �C or below, which can give the objective este...  
WO/1998/023565A2
Aminoguanidine and alkoxyguanidine compounds, including compounds of formula $i((I)) wherein X is O or NR?9� and R?1�-R?4�, R?6�-R?9�, R?11�, R?12�, R?a�, R?b�, R?c�, Y, Z, n and m are set forth in the specification, ...  
WO/1998/021178A1
N-arylsulfilimine compounds, such as S,S-dimethyl-N-(2,6-dichlorophenyl)sulfilimine, were prepared and found to catalyze the reaction of aromatic sulfonyl chloride compounds, such as 2-chlorosulfonyl-7-fluoro-5-ethoxy[1,2,4]-triazolo[1,5...  
WO/1998/019978A1
A process for the nitration of an aromatic or heteroaromatic compound with a nitrating agent comprising nitric acid or a mixture of nitric and sulphuric acids, characterised in that nitration is performed in a solvent comprising at least...  
WO/1998/017615A1
It is an important problem in a process for preparing a m-hydroxyalkylbenzene by sulfonation, isomerization, hydrolysis, and alkali fusion of an alkylbenzene how to facilitate the control of the step of hydrolysis for efficiently and ste...  
WO/1998/015527A1
Process to manufacture methane sulfonic acid by irradiation of a mixture containing acetic acid, sulphur dioxide and oxygen with light. Accumulated irradiation density of light in 240-320 nm range on light entrance surface in reaction mi...  
WO/1998/011055A1
The invention concerns a method for the carboxylation on an aminonaphtol and more particularly of 5-amino-1-naphtol which consists in preparing an aminonaphtol salt by reacting aminonaphtol and a base, and then in carrying out the carbox...  
WO/1998/011064A1
This invention is directed to methods for stereospecifically preparing [(1-optionally substituted aryl)- or (1-optionally substituted heteroaryl)]-2-substituted ethyl-2-amines, having chirality at the 2-position, and to intermediates to ...  
WO/1998/010044A1
The invention concerns a mixture of superalkalified earth-alkaline comprising: (a) 50 % to 85 % by weight of one mono-alkyl-sulphonate with a C�14?-C�40? linear chain in which the molar ratio of phenyl-sulphonate substituent in posit...  
WO/1998/009952A1
HIV protease inhibitors inhibit or block the biological activity of the HIV protease enzyme, causing the replication of the HIV virus to terminate. These compounds can be prepared by the novel methods of the present invention using the n...  
WO/1998/009942A1
This invention provides improved processes for selectively sulfonating a primary alcohol in the presence of a secondary alcohol.  
WO/1998/007687A1
A process for preparing $g(b)-amino-$g(a)-hydroxy acid derivatives in an efficient and commercially useable manner. The process is characterized by hydrolyzing an $g(a)-amino-$g(a)',$g(a)'-dihaloketone derivative represented by general f...  
WO/1998/005609A1
The invention concerns a method for grafting a substituted difluoromethyle group on a compound containing at least one electrophilic function, comprising the following steps: i) bringing said compound containing at least one electrophili...  
WO/1998/005634A1
Novel, useful and optically active 2-aralkyl-3-sulfonyloxy-1-propanols and 2-aralkyl-3-sulfonyloxypropionic acids prepared from optically active 2-aralkyl-3-acyloxy-1-propanols as the starting compound; and optically active 2-aralkyl-3-t...  
WO/1998/005623A1
A process for the preparation of meta-substituted arylalkanoic acids starting from m-aryl-olefins followed by the Claisen rearrangement and an oxidative cleavage of the formed compound.  
WO/1998/004568A1
A compound is disclosed having the formula (I), in which m equals 1 to 1000; x equals 0 to 4; W is a group of formulas -CH�2?-CH�2?-, -CH(CH�3?)CH�2?- or -CH�2?CH(CH�3?)-; R is hydrogen, a straight-chain or branched-chain Cï¿...  
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...  
WO/1998/003518A2
Bis-platinum(II) complexes with polymethylene derivatives, the method of making the complexes, and the use of the complexes for the treatment of tumors in mammals, are disclosed. The method of making the polymethylene derivatives, is als...  
WO/1998/000396A2
The invention concerns compounds of formula (I) wherein R stands for (substituted) alkyl or (substituted) cycloalkyl which are suitable as intermediate products in the production of herbicidal sulfonylureas. According to the invention, t...  
WO/1997/049677A1
Para sulfonated calixarenes are obtained in a one-step reaction directly from para blocked calixarenes by treating same with a sulfonating agent, such as concentrated sulfuric acid, to perform an ipso-electrophilic substitution.  
WO/1997/045402A1
Phenylsulfonylamide derivatives represented by general formula (I) and salts thereof, (wherein R1 is hydrogen or alkyl; R2 is COOR3 or CONHOR4; E is vinylene or ethylene; A is hydrogen, alkyl, carbocycle or heterocycle; J is single bond ...  
WO/1997/045115A1
The invention provides a pharmaceutical for treatment of neurological and neuropsychiatric disorders comprising a compound of formula (I) or a pharmaceutically acceptable salt thereof.  
WO/1997/044316A1
'beta'-Hydroxyamines and 'beta'-hydroxysulfonamides are synthesized from olefin substrates by means of a catalyzed asymmetric addition reaction. The addition reaction is catalyzed by osmium and is co-catalyzed by chiral ligands. The chir...  
WO/1997/044312A1
D- and L- 'alpha'-amino acids and D- and L- 'alpha'-amino aldehydes are synthesized from olefin substrates in two steps. The first step is a catalyzed asymmetric aminohydroxylation addition reaction to the olefin substrate. The addition ...  
WO/1997/042230A1
Novel polymer-supported quenching reagents of Formula (I): P-L-Q, wherein P is a polymer of low chemical reactivity which is soluble or insoluble; Q is one or more quenching reagents, or an acid or base addition salts thereof, that are c...  
WO/1997/041095A1
Blends of N-acyl aminoalkane sulfonates and amphoteric and/or anionic surfactants can be prepared by quenching a molten reaction mixture of an aminoalkane sulfonate amidated with a fatty acid with an aqueous solution comprising an amphot...  
WO/1997/041094A1
A process for making blends of acyloxyalkane sulfonates (isethionates) with amphoteric surfactants is achieved by quenching molten acyloxyalkane sulfonate in an aqueous solution comprising amphoteric surfactant. Problems with low solubil...  
WO/1997/038956A1
Branched-chain olefins are prepared and used as feedstocks in the manufacture of detersive surfactants.  
WO/1997/039089A1
This invention relates to a liquid cleaning composition comprising a surfactant system containing selected mid-chain branched surfactant and co-surfactants.  
WO/1997/038972A1
Sulfation methods for producing longer chain length alkyl sulfate and/or alkyl alkoxylated sulfate surfactant compositions. This method utilizes the presence of a significant amount of mid-chain branched alcohol and/or polyoxyalkylene al...  
WO/1997/039091A1
Mid-chain branched surfactants derived from mid-chain branched primary alkyl hydrophobic groups and hydrophilic groups. The present invention also relates to mixtures of mid-chain branched surfactants useful in laundry and cleaning compo...  
WO/1997/039088A1
Mixtures of mid-chain branched primary alkyl sulfate surfactants useful in cleaning compositions, especially for lower water temperature applications, alone or formulated with other surfactants for the purpose of modifying the low temper...  
WO/1997/039087A1
Mid-chain branched primary alkyl alkoxylated sulphate surfactants useful in laundry and cleaning compositions, especially granular and liquid detergent compositions. These surfactant mixtures are also suitable for formulation with other ...  
WO/1997/038957A1
Alpha-olefins are dimerised to form vinylidene olefins, which are then isomerised and reacted with CO/H2 under OXO conditions or reacted directly with CO/H2 under OXO conditions to give mid- to near-mid chain branched alcohols. These bra...  
WO/1997/039090A1
Detergent composition comprising a mid-chain branched surfactant and also containing a bleaching agent, aluminosilicate, silicate, and/or detersive enzyme.  
WO/1997/033864A1
To improve colour and odour characteristics of sulfonic acids and their derivatives while maintaining sludge and sulfuric acid reduction and good thermal stability, they are treated with at least one unsaturated hydrocarbon, each having ...  
WO/1997/032953A1
A process for making a surfactant product involving the steps of: (1) providing a solid water-free sugar surfactant; (2) providing a co-reactant selected from the group consisting of alpha-olefins, internal olefins, linear alkylbenzene, ...  
WO/1997/028119A1
There is provided a method of synthesis of a disulfated cleaning agent from a substituted cyclic anhydride, particularly a substituted succinic anhydride, having one or more carbon chain substituents comprising in total at least 5 carbon...  
WO/1997/027171A1
The present invention provides a process for preparing N-(3-amino-4-chlorophenyl) acylamides of Formula (I): comprising reacting, in a solvent comprising at least one polar solvent, in the presence of at least one acid acceptor, 1-chloro...  
WO/1997/024309A1
The invention consists of a new method for preparing perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids in which ozone is made to react, in a protic environment, upon a perfluoroalkyl chain comprising at least one oxydizable che...  
WO/1997/023448A1
A method for preparing fluoroalkylsulfonyl imides by reacting a fluoroalkylsulfonamide with a fluoroalkylsulfonyl halide or a fluorosulfonyl halide in the presence of a non-nucleophilic base. One reaction is: Z-Rf-SO2NH2 + Z-R'f-SO2-X + ...  
WO/1997/023525A1
Described herein is a method in which a compound that includes an isocyanate group and a compound that includes a hydroxyl or thiol group are allowed to react in a fluid that is a gas at STP but which is held at a pressure greater than a...  
WO/1997/022636A2
Iodoperfluoroalkylnitriles are useful as chain transfer agents in the free radical polymerization of vinyl monomers to form perfluoropolymers. These nitriles provide end groups which may take part in a cross-linking reaction, if desired,...  
WO/1997/021671A1
The invention provides the novel compound 4,4,4-trichlorobutyl methanesulfonate, useful as an intermediate in the production of certain agricultural pesticides, and a process for its manufacture.  
WO/1997/020805A1
Indane dimer compounds of general formula 5, 6 or 9 and their pharmaceutical use, particularly to achieve smooth muscle relaxing activity and/or mast cell stabilising activity and/or antiinflammatory activity are described, wherein in fo...  
WO/1997/020806A1
Indane compounds of general formulas (7) and (8) and their pharmaceutical use particularly to achieve smooth muscle relaxing activity and/or mast cell stabilising activity and/or anti-inflammatory activity as described, wherein in formul...  
WO/1997/020802A1
Indame dimer compounds and their pharmaceutical use particularly to achieve smooth muscle relaxing activity and/or mast cell stabilising activity and/or anti-inflammatory activity are described.  
WO/1997/019038A1
A perfluoroalkylation method and a reagent therefor are disclosed. The method comprises contacting a material of formula RfH and a base (or a species capable of generating a base) with a substrate bearing at least one electrophilic funct...  

Matches 1,251 - 1,300 out of 7,063