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Matches 351 - 400 out of 2,903

Document Document Title
WO/1995/017440A1
A process for preparing a polyamine containing a controlled amount of pendant tertiary amine groups and a controlled amount of pendant secondary amine or different tertiary amine groups and reactive carbon-carbon double bonds comprising ...  
WO/1995/016911A1
The invention provides uncharged water-soluble silica-adsorbing polymers for suppressing electroendoosmotic flow and to reduce analyte-wall interactions in capillary electrophoresis. In one aspect of the invention, one or more of such po...  
WO/1995/016910A1
The invention provides uncharged water-soluble silica-adsorbing polymers for suppressing electroendoosmotic flow and to reduce analyte-wall interactions in capillary electrophoresis. In one aspect of the invention, one or more of such po...  
WO/1995/015986A1
Powdery polymers based on n-vinyl caprolactams are produced by polymerising (A) 50 to 100 % by weight N-vinyl caprolactams with (B) 0 to 50 % by weight other N-vinyl lactams, vinyl heteroaromatics, vinyl esters, C1 to C10 alkyl acrylates...  
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/1995/014652A1
The invention relates to novel triphenylene compounds containing at least three ethylenically unsaturated groupings, oxiranyl or thiiranyl group-bearing groupings bonded to the triphenylene backbone, and a process for producing discoidal...  
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/1995/011926A1
Described are preferred processes for producing linear polyvinylpyridines. The processes involve the use of hydrogen peroxide to initiate polymerization of vinylpyridine monomers in an aqueous solvent. Processes of the invention provide ...  
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/1995/009854A1
The present invention relates to bis-imidazolyl compounds of formula (I) and polymers having the above-identified bis-imidazolyl compounds as a polymerizable unit. The present invention further relates to a method for scavenging trace qu...  
WO/1995/006075A1
The invention pertains to an interpenetrating polymer network (IPN) composed of (1) epoxy network forming compounds comprising: (a) polyfunctional epoxy compounds (epoxy resin); (b) polyfunctional aromatic hydroxyl compounds; (2) allyl n...  
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/1995/005184A2
Phosphate-binding polymers are provided for removing phosphate from the gastrointestinal tract. The polymers are orally administered, and are useful for the treatment of hyperphosphatemia.  
WO/1995/003450A1
The present invention relates to retention aids for papermaking, in particular which comprise cationic multiarmed star-like polymers (hereinafter, it is referred to as CMS-PAM of formula (I): (D)y-(A)-[-B-(CH2)n-(E)p-(F)q-]x- as an effec...  
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/1995/002615A1
The invention concerns a method for the elimination of impurities containing cyanide groups from polymers containing acyclic N-vinyl carboxylic acid amide units and/or vinylamine units by treating the polymer with at least one oxidising ...  
WO/1994/029296A1
Polymerizable compounds based on N-acylamido-piperazines are provided. Such compounds have formula (1) wherein: R1, R2, and R3 are each independently selected from the group consisting of hydrogen and lower alkyl, B is a linking group se...  
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...  
WO/1994/022953A1
This invention relates to a process for the preparation of clear, aqueous solutions of N-vinylpyrrolidone polymers in high purity by contacting a vinylpyrrolidone solution of 2,2'-azobis(2-methyl-butanenitrile) initiator with vinylpyrrol...  
WO/1994/022502A1
An improved superabsorbent polymer foam having a morphology to provide improved absorptive properties is disclosed. The foam preferably comprises a superabsorbent polymer formed from a substantially water-soluble, unsaturated monomer hav...  
WO/1994/020555A1
A process is described for making highly crosslinked polyvinylpyrrolidone (PVP) polymer by popcorn polymerization having a swell volume of less than about 65 ml/10 g, preferably 40-65 ml/10 g, in the absence of added crosslinking agent, ...  
WO/1994/020549A1
Described is a method of preparing polyvinyl pyridine-N-oxides by the oxidation of polyvinyl pyridines with aqueous solutions of hydrogen peroxide in the presence, as a catalyst, of acids and oxides or acids of elements of groups 5b, 6b,...  
WO/1994/018253A1
Novel fluorosiloxane-containing monomers are disclosed which are especially useful for the preparation of biomedical materials such as contact lenses.  
WO/1994/018241A1
A free radical solution process for making PVP polymers having a molecular weight corresponding to a K-value of about 30-150, a narrow molecular weight distribution represented by a polydispersity of about 3 to 6, and a residual VP monom...  
WO/1994/016749A1
The present invention provides materials which comprise a surface having pendant zwitterionic groups Z comprising, as anion, a phosphate, sulphonate, carboxylate or phosphate-ester group or a phosphate ester group in which one or more of...  
WO/1994/013712A1
The monomer is characterized by the general formula (1) [(R1)(R2)C = C(R3)-CO-L-]q A(NCObloc)p wherein R1, R2 and R3 similar or different, represent a hydrogen or a group selected among the hydrocarbon chains having from 1 to 12 carbon a...  
WO/1994/013669A1
The invention relates to a method for the preparation of a bisnadimide of formula (II) substantially free of oligomeric, amidic and uncyclized impurities wherein: Ar is an optionally substituted aryl, optionally substituted bridged or bo...  
WO/1994/013882A1
Described is the use, as additives to paper-making pulp, of copolymers obtained by polymerizing a) 5 to 99 mole % of N-vinyl carboxylic acid amides, b) 95 to 1 mole % of monoethylenically unsaturated carboxylic acids and/or alkali-metal,...  
WO/1994/011403A1
Artificial antibodies or antibody mimics are described. They consist of polymers that carry specific binding sites mimicking the properties of antibodies. There is also described a method for producing artificial antibodies, in which pol...  
WO/1994/010281A1
Copolymers may be produced by radical-initiated copolymerisation of monomer mixtures composed of (a) 60 to 99 % by weight 1-vinylpyrrolidone, 1-vinylimidazole or their mixtures; (b) 1 to 40 % by weight nitrogenated, basic, ethylenically ...  
WO/1994/007686A1
Optically transparent, high refractive index hydrogels are provided. Expansile hydrogel intraocular lenses (10) are fabricated from the hydrogels by heating them above their elastic deformation temperatures and deforming them into an elo...  
WO/1994/005423A1
A carbonylation catalyst useful for the carbonylation of methanol to acetic acid, acetic anhydride or both comprises a polymer support containing pendant pyrrolidone groups which support a rhodium species. Other polymeric supports capabl...  
WO/1994/001474A1
A polymerizable monomer represented by general formula (1), a polymer thereof, a process for producing the same, and the use of the polymer, wherein R1 represents hydrogen, methyl, chloro or cyano; R2 represents C1-C4 alkylene; R3 repres...  
WO/1994/001477A1
Polymers consist of (a) 1-50 % weight of one or several unsaturated, polymerisable carboxylic acids having the formula (I), in which R1 stands for hydrogen, C1-C4 alkyl or COOM, R2 stands for hydrogen or C1-C4 alkyl, R3 stands for hydrog...  
WO/1994/000520A1
The present invention relates to aqueous liquid for primers which contain a copolymer mainly formed with a cationic monomer, an alkoxysilane monomer and an ethylenic unsaturated monomer in aqueous medium, wherein low viscosity and superi...  
WO/1993/025594A1
Supports having azlactone-functional surfaces, adduct supports prepared from such azlactone-functional supports, and methods of preparing both are disclosed. Azlactone functionality is introduced to surfaces of a pre-existing support in ...  
WO/1993/022665A1
A capillary tube with a charged inner surface for use in capillary electrophoresis and methods. The tube is filled with an electrolyte solution containing 0.05-30 % weight/weight of a hydrophilic polymer which is characterized by (A) a m...  
WO/1993/018072A1
Inherently tacky pressure-sensitive acrylic polymers are formed by emulsion polymerization in the presence of at least one reactive multifunctional monomer having a cyanurate or phosphate functionality.  
WO/1993/018073A1
A process for producing copolymers from monoethylenically unsaturated monomers containing acid groups and from N-vinyl lactames and possibly from other monoethylenically unsaturated monomers by copolymerising the monomers in the presence...  
WO/1993/013150A1
Polymerisable resins which comprise a porphyrinogenic ring system obtained by the reaction of: a) one or more compounds selected from the group consisting of pyrrole and N-(lower)alkyl pyrroles, any of which may be optionally substituted...  
WO/1993/010201A1
A hydrophilic, pressure-sensitive adhesive composition prepared by irradiating solid poly(N-vinyl lactam) with ionizing radiation to crosslink the poly(N-vinyl lactam) and thereafter mixing the radiation-crosslinked poly(N-vinyl lactam) ...  
WO/1993/009084A1
A novel class of compounds are disclosed which may be used as novel crosslinking agents for acrylic-containing, vinyl-containing and/or styrene-containing hydrophilic monomers to prepare novel UV-curable hydrophilic copolymers suitable f...  
WO/1993/009154A1
Improved silicone-containing hydrogels are disclosed with enhanced wettability comprising a silicone-containing monomer, at least one acrylic-containing hydrophilic monomer, and at least one vinyl-containing hydrophilic monomer.  
WO/1993/007190A1
The present invention concerns an acrylate copolymerisate containing amino, carboxyl and optionally hydroxyl groups characterized in that an acrylate copolymerisate containing an amino group and optionally a carboxyl group is produced A)...  
WO/1993/003077A1
Hydrogel provided as tablets capable of regulating without dissolving, any pH of an aqueous solution, to finally convert the pH to 7. These tablets may be removed from the solution at any time without modifiying the pH and they may be re...  
WO/1992/017509A1
What is provided herein is a precipitation polymerization process wherein homopolymers, copolymers and polymer mixtures with comonomers are produced in an advantageous manner, preferably as fine powders, at a high solids level, in high y...  
WO/1992/013898A1
What is provided herein is a process for making homopolymers of polyvinylpyrrolidone polymer in the form of fine powders at a polymer solids level of at least about 17 %, preferably 30 % or more, and in a yield of at least about 95 %, wh...  

Matches 351 - 400 out of 2,903