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Matches 351 - 400 out of 4,078

Document Document Title
WO/1997/009648A1
Provided is an optical glass fiber assembly containing a matrix material and a plurality of coated optical glass fibers bound together by said matrix material, said matrix material having a swell index and glass transition temperature wh...  
WO/1997/000301A1
A material for effectively preventing dew condensation on, for example, the surface of the interior wall of a building when, for example, it is placed between the interior and exterior walls or composited with wall paper or gas-permeable...  
WO/1996/041784A1
Clathrate hydrate formation in petroleum fluid streams is inhibited by adding water soluble polymers having N-vinyl amide or N-allyl amide units to the streams. Each N-vinyl amide and N-allyl amide unit has two substituent groups, R1 and...  
WO/1996/041786A1
A method for inhibiting the formation of clathrate hydrates in a fluid having hydrate-forming constituents involves treating the fluid with an inhibitor comprising a substantially water soluble polymer having a polymer backbone with a pe...  
WO/1996/041834A1
The instant invention relates to novel copolymers of N-vinyl amides and acrylamides and N-allyl amides and acrylamides. The polymers are used for inhibiting the formation of clathrate hydrates in a fluid having hydrate forming constituen...  
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/1996/039156A2
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/1996/039449A1
The present invention relates to a poly(allylamine) polymer and, more generally, a hydrocarbon amine polymer. Preferably, these polymers are cross-linked. The present invention also relates to methods of forming these polymers and method...  
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/1996/037524A1
The invention concerns polymer and surfactant mixtures containing in suspended form in at least one surfactant between 1 and 50 wt.% of a polymer comprising: a) between 10 and 100 wt.% of at least one vinylimidazole or a derivative there...  
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/1996/024075A1
The invention relates to a novel process for the production of mouldings, in particular contact lenses, in which a water-soluble, crosslinkable polymer is crosslinked in solution, and to mouldings, in particular contact lenses, obtainabl...  
WO/1996/017681A1
The present invention provides a superabsorbent material which comprises a combination of: (1) an anionic superabsorbent in which from 20 to 100 % of the functional groups are in free acid form, and (2) a cationic superabsorbent in which...  
WO/1996/017123A1
The invention concerns a method of removing printing inks from printed wastepaper, whereby an additive is added in a metered manner to the process water and the precipitated solids are then removed by flotation and/or filtration. The add...  
WO/1996/010593A1
A process is disclosed for preparing aqueous solutions of poly(N-vinyl-'epsilon'-caprolactam) by polymerising poly(N-vinyl-'epsilon'-caprolactam) in an aqueous medium in the presence of polymerisation initiators and 0.1 to 20 % by weight...  
WO/1996/007675A1
The present invention relates to a process for producing polymer beads incorporating solid particles and to the novel polymer beads per se. The invention provides a process for producing polymer beads incorporating solid particulate mate...  
WO/1996/002581A1
A process for producing an aqueous gel easily without the necessity for complicated operations and large-scale equipment, which comprises bringing an aqueous solution of a polymer having repeating units comprising cationic groups represe...  
WO/1996/001851A1
A polymerization process procedures polymers that are insoluble in a reaction mixture that was homogeneous before the polymer began to form. A dispersing agent in the polymerizing system (i.e., the reaction mixture plus the dispersing ag...  
WO/1996/001850A1
A polymerization process produces polymers that are insoluble in a reaction mixture that was homogeneous before the polymer began to form. A dispersing agent in the polymerizing system (i.e., the reaction mixture plus the dispersing agen...  
WO/1996/000080A1
Substantially non-antigenic polymers containing pI and/or pH optimum modulating moieties are disclosed. The polymers are useful as intermediates for synthesis of amine-based polymers and in the formation of activated polymers for conjuga...  
WO/1995/034588A1
A method for removing bile salts from a patient by ion exchange by administering to the patient a therapeutically effective amount of one or more highly cross-linked polymers characterized by a repeat unit having formula (1) or copolymer...  
WO/1995/034585A1
A method for removing bile salts from a patient that includes administering to the patient a therapeutically effective amount of the reaction product of: a) one or more highly cross-linked polymers characterized by a repeat unit selected...  
WO/1995/032792A1
Azlactone-functional membranes prepared by solvent phase inversion techniques are disclosed. Adduct membranes prepared by the reaction of azlactone-functional membranes with nucleophilic reagents are also disclosed. Both azlactone-functi...  
WO/1995/032227A1
A process for the production of stable water-in-oil emulsions of hydrolysed polymers of n-vinyl amide of formula (I) in which R, R1 = H or C1-C6 alkyl, by the polymerisation of compounds of formula (I) alone or mixed with other ethylenic...  
WO/1995/030703A1
An energy polymerizable composition comprising at least one cationically curable 5 or 6 membered 1,3 oxazyl heterocyclic compounds, including 1,3-oxazoline and 1,3-oxazine monomers or compound and a catalytically effective amount of an i...  
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/1995/017440A1
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...  
WO1995005184A3  
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...  

Matches 351 - 400 out of 4,078