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Matches 401 - 450 out of 2,975

Document Document Title
WO/1997/045517A1
The use of water-soluble copolymers which contain (a) 5 to 20 mol % N-vinyl imidazole or 4-vinyl pyridine-N-oxide, (b) 95 to 50 mol % N-vinyl pyrrolidone, N-vinyl oxazolidone, methyl-N-vinyl imidazole or their mixtures and (c) 0 to 30 mo...  
WO/1997/043325A1
An acrylic polymer of polymerized monomers of about 55-80 % by weight of an alkyl methacrylate having 1-12 carbon atoms in the alkyl group, and alkyl acrylate having 1-12 carbon atoms in the alkyl group, substituted or unsubstituted aryl...  
WO/1997/041164A1
Polymers having non-thrombogenic properties can be prepared by copolymerising monomers of at least three classes selected from (a) monomers having sulphate groups, (b) monomers having sulphonate groups, (c) monomers having sulphamate gro...  
WO/1997/040078A1
Thermoreversible hydrogels comprising nonionic, uncrosslinked copolymers, and methods of their use in electrophoresis, are provided. The subject copolymers comprise polyacrylamide backbones, where a portion of the acrylamide monomeric un...  
WO/1997/035897A1
Novel depressants for depressing sulfide minerals during froth flotation of ores to recover value minerals are disclosed, as well as a method for their use in the froth flotation. The novel depressants are terpolymers of a (meth)acrylami...  
WO/1997/031041A1
Strongly swellable, moderately cross-linked poly(vinyl)pyrrolidone/vinyl acetate) copolymer (XL-PVP/VA) in the form of fine, white powders characterized by (a) an aqueous gel volume of about 15 to 150 ml/g of polymer, (b) a Brookfield vi...  
WO1997019702A3  
WO/1997/029139A1
A polymerizable composition consisting essentially of about 50 to about 90 % by weight of vinylpyrrolidone monomer, about 10 to about 50 % by weight of vinyl caprolactam monomer, and about 0.5 to about 7 % by weight of a cross-linker, wh...  
WO/1997/026288A1
Thermoreversible hydrogels comprising non-ionic, linear copolymers, and methods of their use in electrophoresis, are provided. The subject copolymers comprise polyacrylamide backbones, where a portion of the acrylamide monomeric units co...  
WO/1997/024383A1
A diene rubber comprising 40 to 99.99 % by weight of conjugated diene units, 0.05 to 20 % by weight of vinylic amine monomer units, 0.05 to 20 % by weight of hydroxylated vinylic monomer units and 0 to 50 % by weight of other comonomer u...  
WO/1997/022640A1
The present invention is directed to a new aqueous dispersion of surface active polymer which demonstrates enhanced surface active and performance properties more particularly as a foaming agent. The polymer comprises a vinyl monomer hav...  
WO/1997/019702A2
The invention concerns powdery complexes comprising iodine and a crosslinked polymer based on N-vinyl compounds and obtained by the dry heating of iodine and a polymer obtained by polymerizing monovinyl compounds (monomers A), of which t...  
WO/1997/019922A1
The invention concerns tetramethylpiperidine-containing copolymers comprising between 1 and 100 mol % identical or different monomer units of general formula (I), in which R1 = COOR7, COR8, CONR8R9, CN; R2 = H, C1-C12 alkyl, COOR7, COR8,...  
WO/1997/010387A1
Paper sizing enhancer that is a polymerization reaction product of a quaternary diallylammonium monomer and a diallylammonium monomer. The polymerization reaction product may be used as a paper sizing enhancer via an internal addition me...  
WO/1997/003099A1
The invention pertains to novel water-soluble polyammonium salts which are branched in a specific way, have high molecular weight and are based on unsaturated quaternary ammonium compounds and on suitable linear pre-polymers containing a...  
WO/1996/041785A1
A method for inhibiting the formation of clathrate hydrates in a fluid having hydrate-forming constituents is disclosed. More specifically, the method can be used in treating a petroleum fluid stream such as natural gas conveyed in a pip...  
WO/1996/040803A1
Anion exchange resins including at least two positively charged sites and a well-defined spacing between the positive sites are provided together with a process of removing anions or anionic metal complexes from aqueous solutions by use ...  
WO/1996/039821A1
Reagents and methods are disclosed for modifying a fabric substrate in order to inactivate viruses, and particularly lipid-enveloped viruses, upon contact. Such substrates can be modified by photochemically immobilizing hydrophilic polym...  
WO/1996/038493A1
Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ...  
WO/1996/037525A1
The invention concerns water-soluble copolymers obtained by the radically initiated solution polymerization of: a) between 10 and 99.5 wt % of at least one vinylimidazole of formula (I), in which R1, R2 and R3 are identical or different ...  
WO/1996/037529A1
The invention discloses methods of preparing copolymers from norbornene-type monomers and cationically polymerizable monomers or polymers from catalytically polymerizable monomers by employing Group VIII transition metal ion source in a ...  
WO/1996/035731A1
The invention is a water-soluble, surface active silicon-containing polyelectrolyte polymer and its use as coagulants for the control of pitch in pulp and paper mills; in clarifying ink-containing effluent water from recycled paper produ...  
WO/1996/033228A1
A water-soluble cationic copolymer comprising the reaction product of (I) and a cationic quaternary amine having formula (a), wherein Y is (b) and n is 1 to 5; R1, R2, R3 are independently H or C1 to C3 alkyl, R4, R5 and R6 are independe...  
WO/1996/026222A1
The invention concerns agglomerated polymer particles made from water-expandable polymers and with a mean particle diameter of 20-5000 'mu'm. The agglomerated polymer particles consist of primary particles with a mean particle diameter o...  
WO/1996/026229A1
The invention concerns agglomerated finely divided cross-linked vinyl imidazole copolymers obtainable by radically initiated polymerisation of N-vinyl imidazoles of formula (I) in which R, R1 and R2 are identical or different and represe...  
WO/1996/024076A1
The invention relates to a novel process for the production of tinted mouldings, in particular tinted contact lenses, in which a crosslinkable tinted polymer comprising units containing a crosslinkable group and units containing a reacti...  
WO/1996/019971A1
Low VOC hair spray resin compositions containing homogeneous terpolymers of vinyl pyrrolidone, vinyl caprolactam and 3-(N-dimethylaminopropyl) methacrylamide are described. The hair spray compositions are made using a solution of the ter...  
WO/1996/020227A1
A homogeneous polymerization process is described for making substantially homogeneous terpolymers of, by weight, 55-99 %, preferably 65-95 % of vinyl pyrrolidone; 0.5-49 %, preferably 1-25 % of a quaternary amino monomer, preferably 3-m...  
WO/1996/019966A1
Water-based, hair care products containing homogeneous terpolymers having both hair styling and conditioning properties are described.  
WO/1996/019967A1
A process is described for making substantially homogeneous copolymers comprising 20-99 % of vinyl pyrrolidone (VP) and 1-80 % of N-3,3-dimethylaminopropyl methacrylamide (DMAPMA), preferably 50-95 % VP and 5-50 % DMAPMA, and, most prefe...  
WO/1996/018673A1
This invention relates to a process for the production of substantially odorless, color stable N-vinyl heterocyclic copolymer which includes contacting alcohol solution of the copolymer, under reduced pressure, with water and a reducing ...  
WO/1996/015163A1
The invention provides a superabsorbent material which comprises a combination of (1) a cationic superabsorbent in which from 20 to 100 % of the functional groups are in basic form, and (2) a cationic exchanger in which from 50 to 100 % ...  
WO/1996/015162A1
The invention provides a water swellable, water-insoluble polymer comprising units derived from a diallylic quaternary ammonium salt monomer cross-linked by a suitable polyfunctional vinyl compound, at least a substantial proportion of t...  
WO/1996/003164A1
A flexible hydrophilic coating on a device which is to contact body fluid and particularly for flexible substrates on intracorporeal devices such as balloons on dilatation catheters. The coating includes at least 30 % of a copolymer of a...  
WO/1996/000248A1
Non-hydrolyzable, hydrophilic, heterocyclic cross-linking agents for cross-linking vinyl comonomers are provided. The cross-linked copolymers form optically transparent, high water content, and high refractive index hydrogels having long...  
WO/1995/029959A1
A composition comprising: (a) at least one olefinic monomer (A), (b) at least one polymer of at least one olefinic monomer, (c) an indicator dye to the basic structure of which an olefinic polymerisable group is covalently bonded directl...  
WO/1995/019378A1
This invention relates to a reactive diluent mixture employed in a free radical polymerization of film-forming monomers which comprises between about 25 and about 90 wt. % N-vinyl lactam containing 6 to 9 carbon atoms and between about 1...  
WO/1995/015987A1
A process for making homogeneous copolymers of vinylpyrrolidone (VP) and vinyl acetate (VA) which form clear aqueous solutions and have high cloud points. The process involves precharging VP and VA monomers in a predetermined ratio, and ...  
WO/1995/015345A1
Polymers of alkyl-1-vinylimidazoles and processes for the production thereof by the radical polymerisation of monomer mixtures comprising: (a) 10 to 100 wt. % at least one alkyl-1-vinylimidazole and (b) 0 to 90 wt. % 1-vinylpyrrolidone, ...  
WO/1995/012837A1
A photoreactive binder that may be used to enhance photospeed in either conventional plates or on-press developable lithographic printing plates. Briefly, a polymer of m-isopropenyl-'alpha', 'alpha'-dimethylbenzyl isocyanate is derivatiz...  
WO/1995/010552A1
The invention provides novel acrylamide functional disubstituted acetyl aryl ketones and a process for their preparation in high yields uncontaminated by difunctional material. The invention further provides photo-cross-linkable composit...  
WO/1995/009878A1
Disclosed are polymer compositions comprising a vinyl amide monomer, a polysiloxanylalkyl acrylate or methacrylate monomer, a styrene and/or styrene related monomer, and a cross-linking agent. These polymer compositions are capable of in...  
WO/1995/007100A1
A compound for protecting a vertebrate against infection by helminths comprising hyaluronidase covalently coupled to an immunostimulating carrier, in preferred form, the immunostimulating carrier to which the hyaluronidase is covalently ...  
WO/1995/005402A1
Aqueous copolymer dispersions are obtained by radical initiated copolymerisation or by copolymerisation initiated by the use of ionising radiation of: (A) 40 to 99 % by weight of one or several water-insoluble, monoethylenically unsatura...  
WO/1995/003388A1
The present invention relates to detergent compositions comprising a polymer selected from N-vinylimidazole N-vinylpyrrolidone copolymers characterized in that said polymer has an average molecular weight range from 5,000 to 50,000.  
WO/1994/029422A1
Grafted polyamidoamines and polyethylene imines are produced by radically initiated polymerisation of (a) 1-vinylpyrrolidone, 1-vinyltriazol, 1-vinylimidazols, mixtures of said monomers or mixtures of at least one of said monomers with u...  
WO/1994/026796A1
The invention concerns homopolymers and copolymers of 1-vinylimidazole and a method of producing low-molecular-weight homopolymers of 1-vinylimidazole and copolymers of 1-vinylimidazole and 1-vinylpyrrolidone by the radical-mechanism pol...  
WO/1994/024177A1
Crosslinked, absorbent pressure sensitive adhesive compositions are disclosed comprising an acrylate or methacrylate ester of an alcohol, a hydrophilic alkylene oxide acrylate, a hydrophilic N-vinyl lactam, and an effective amount of a c...  
WO/1994/024112A1
A reactive monomer for preparing ultraviolet absorbing polymers has formula (I) wherein R1 is a halogen or C1-C6 straight or branched chain alkoxy group; and R2 is a -(CH2)3O-, -(CH2)2O-, -CH(CH3)CH2O-, -CH2CH(CH3)O-, -(CH2)3OCH2-, -(CH2...  
WO/1994/022929A1
A unique polymer was synthesized via copolymerization of vinylpyridine and acetoxystyrene under radical-initiated conditions followed by acidic or basic hydrolysis of the acetoxy group to afford the corresponding hydroxy group. The built...  

Matches 401 - 450 out of 2,975