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WO/2003/074423A1 |
A process for synthesizing a crystalline aluminosilicate zeolite having an MFI structure comprising crystallizing the zeolite from an alkaline aqueous reaction mixture that comprises SiO2 and AI2O3 or their hydrated derivatives, and an a...
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WO/2003/051945A1 |
A process for forming an absorbent fibrous web composite includes the initial step of forming a fibrous web fromhydrophilic fibers and, optionally, thermoplastic fibers. Then, a superabsorbent polymer is completely formed in situ on or i...
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WO/2003/048220A2 |
This invention discloses resilient, acrylic graft polymers comprising $g(a)-methylene lact(one)(am) monomers such as $g(a)-methylene-$g(g)-butyrolactone, and blends of such polymers with thermoplastic matrix resins. This invention also d...
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WO/2003/009014A1 |
The invention related to a hydrogel forming aqueous composition of water soluble polymers having a sufficiently high coherency that it substantially not is dispersed when being injected into an aqueous environment of a body site such as ...
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WO/2003/004541A1 |
A process of making a vinyl caprolactam (VCL)-based polymer which comprises suspension polymerizing the monomers in aqueous medium in the absence of an added protective colloid, wherein polymer formed at an early stage of the polymerizat...
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WO/2003/003073A1 |
The present invention relates to a process for the production of polymeric moldings, such as medical device moldings and optical and ophthalmic lenses, preferably contact lenses and intraocular lenses. The invention also relates to a pol...
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WO/2002/057385A1 |
The invention concerns an adhesive composition comprising a polymer containing 10 to 100 wt. % relative to the total weight of monomers of at least a water-soluble cationic unsaturated monomer, 0 to 90 wt. % relative to the total weight ...
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WO/2002/044230A2 |
The invention relates to compositions containing copolymers based on acryloyldimethyl aminoethylsulfonic acid, in addition to synergistic additives, selected from anionic, cationic, non-ionic and/or betaine surfactants. Said compositions...
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WO/2002/043688A2 |
The invention relates to decorative cosmetic and dermatological products, containing at least one copolymer which is obtained by radical copolymerisation of A) acryloyldimethyltaurine acid and/or acryloyldimethyltaurates, B) optionally, ...
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WO/2002/044269A1 |
The invention relates to water-soluble or water-swellable copolymers which can be obtained by radical copolymerisation of A) acryloyldimethyltaurine acid and/or acryloyldimethyltaurates and B) optionally, one or more additional olefinica...
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WO/2002/044229A1 |
The invention relates to water-soluble or water-swellable copolymers, which can be obtained by radically copolymerizing: A) acryloyldimethyl taurine acid and/or acryloyldimethyltaurates; B) optionally one or more additional olefinically ...
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WO/2002/044270A2 |
The invention relates to the use of copolymers which are obtained by radical copolymerisation of A) acryloyldimethyltaurine acid and/or acryloyldimethyltaurates, B) optionally, one or more additional olefinically unsaturated, non-cationi...
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WO/2002/044268A1 |
The invention relates to water-soluble or water-swellable copolymers, which can be obtained by radically copolymerizing: A) acryloyldimethyl taurine acid and/or acryloyldimethyltaurates; B) optionally one or more additional olefinically ...
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WO/2002/044267A2 |
The invention relates to cosmetic, pharmaceutical and dermatological products containing an electrolyte, obtained by radical copolymerisation of A) acryloyldimethyltaurine acid and/or acryloyldimethyltaurates, B) optionally, one or more ...
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WO/2002/044271A2 |
The invention relates to surfactant-containing cosmetic, dermatological and pharmaceutical agents that contain at least one water-soluble or water-swellable copolymer, obtainable by radical copolymerization of A) acryloyldimethyl taurine...
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WO/2002/032975A1 |
The invention relates to a hydrogel-forming polymer comprising a polymer matrix consisting of between 79.9 and 99.9 wt. % of at least one monoethylenically unsaturated monomer A comprising at least one acid group, and the salts thereof; ...
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WO/2002/026845A1 |
The invention relates to an aqueous polymer dispersion produced by free-radical addition polymerisation of vinyl acetate in the presence of at least one ionic emulsifier, at least one radical initiator and at least one protective colloid...
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WO/2002/014394A1 |
The invention relates to a hydrophilic or hydrophobic polyurethane comprising at least one lateral and/or at least one terminal olefinically unsaturated group. 1. The lateral olefinically unsaturated group; 1.1 is bound to a cycloaliphat...
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WO/2001/071392A1 |
The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one crosslinker comprising two ore more eth...
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WO/2001/068722A1 |
Hydrogel biomedical articles formed from macromers having a polymeric backbone comprising 1,2-diol and/or 1,3-diol units, such as polyvinyl alcohol, and pendant chains bearing crosslinkable groups and, optionally, other modifiers.
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WO/2001/068720A1 |
Embolic compositions comprising macromers having a backbone comprising a polymeric backbone comprising units with a 1,2-diol or 1,3-diol structure, such as polyvinyl alcohol, and pendant chains bearing crosslinkable groups and, optionall...
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WO/2001/068721A1 |
Compositions comprising macromers having a backbone comprising units having a 1,2-diol and/or 1,3-diol structure for tissue bulking and coating. Such polymers include poly(vinyl alcohol) (PVA) and hydrolyzed copolymers of vinyl acetate, ...
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WO/2001/044330A1 |
A polymer dispersant for pigments based on a graft copolymer wherein the graft copolymer has a weight average molecular weight of at least 3000 and has 10 to 90 % by weight of a polymeric backbone and 90 to 10 % by weight of macromonomer...
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WO/2001/036491A1 |
The invention relates to a method for preparing a wet strength agent comprising a first step of reacting a nitrogen-containing polymer with a hydrophobic compound to form hydrophobic side-chain substituents on the polymer, a second step ...
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WO/2001/034671A1 |
A recording material which has excellent printability with a water-based ink and can have water resistance and moisture resistance after printing; and an ultraviolet-curable resin composition which can give such a recording material. The...
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WO/2001/019885A1 |
The present invention concerns large spherical polymer particles with a narrow size distribution and a procedure for producing such particles. The procedure is characterised in that a seed polymerisation is performed in which the start p...
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WO/2001/009271A1 |
The invention relates to the use of grafted polymers as gas hydrate inhibitors.
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WO/2000/077060A1 |
The invention relates to a method for producing graft copolymers, containing an elastic copolymer backbone. In a first stage of said method, a) ethene, as the principal monomer, is copolymerised co-ordinatively with an $g(a)-olefin which...
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WO/2000/052079A1 |
The invention herein provides a caprolactam containing latex compositions comprising: a) latex polymer particles comprising a residue of an ethylenically unsaturated monomer, wherein the latex polymer particles have a size of equal to or...
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WO/2000/047149A1 |
The present invention, which addresses the needs of the prior art, provides irreversible, hydrophilic gels which can be incorporated into dressing compositions, dermatologically compatible compositions, wound packings, wound dressings, b...
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WO/2000/002937A1 |
An interpenetrating polymer network (IPN) composition and a process for the manufacture of hydrogel contact lens using the invention material. The polymeric materials are formed by polymerization of: (1) an unsaturated alkyl(meth)acrylat...
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WO/2000/002938A2 |
Novel water-soluble or water-dispersible grafted copolymers comprising polyvinyl alcohol, vinylpyrrolidone or oxyalkylene oligomer or polymer units and hydrophilic copolymer units derived from ethylenically unsaturated anionic and amphot...
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WO/1999/037629A1 |
The invention relates to azoic compounds of general formula (I) that are functionalized with heterocycles.
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WO/1999/032533A1 |
Synthetic organic particles each constituted of a core made from an organic polymer and a surface layer formed from a methacrylate resin on the surface of the core. In one of the particles, the core is made from a copolymer comprising 80...
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WO/1999/000437A1 |
The invention relates to paper coating mixtures containing, as a binding agent, a copolymer consisting of 50-99.5 %wt. principal monomers (a), selected from C¿1?-C¿20 ?alkyl(meth)acrylates, vinylesters of carboxylic acids containing up...
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WO/1998/036002A1 |
Compounds have the general formula (II), in which A stands for hydrogen or C�1-9?-alkyl; G and E independently represent O or NH; d and a independently represent an integer from 2 to 10; R?1� and R?2� independently represent C�1-...
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WO/1998/030600A1 |
A process for the production of a high-concentration acrylamide polymer dispersion which is inexpensive and excellent in fluidity and handleability. The process comprises polymerizing a water-soluble monomer component containing an acryl...
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WO/1998/025981A1 |
The invention concerns amphiphilic graft polymers in which the graft base is a polymer containing at least 5 wt % of units of formula (I) and optionally units of formula (II), R?1�, R?2� being H or C�1?-C�6? alkyl, wherein (a) st...
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WO/1998/011152A1 |
These compositions comprise at least one compound (A) containing double olefinic bonds depleted of electrons and at least one compound (B) containing double olefinic bonds enriched with electrons. The compound(s) (A) are selected among p...
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WO/1998/004596A1 |
This invention concerns water-soluble polymers which include units of formula (I) and/or (II) as characteristic structural elements, in which R?1� stands for H, alkyl, cycloalkyl, aryl or aralkyl, R?2� and R?3� are defined independ...
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WO/1998/001501A1 |
Process for the preparation of vinylarene polymer particles, which process comprises mixing a polar polymer capable of absorbing water, with vinylarene monomer; pre-polymerising vinylarene monomer; suspending the pre-polymerised mass; an...
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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...
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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...
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WO/1997/025357A1 |
The gels are for thermotropic layers are obtained by irradiation with high-energy light of a mixture containing the following: a) a non-cross-linked polymer with a number average molecular weight Mn of between 1,000 and 30,000 g/mol; b) ...
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WO/1997/025358A1 |
The gels are for thermotropic layers and are obtained by irradiation with high-energy light of a mixture containing the following: a) a non-cross-linked polymer in a quantity of less than 5 wt % of the sum of components a), b) and c); b)...
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WO/1997/018247A1 |
Improved processes have been developed for atom (or group) transfer radical polymerization (ATRP). In one improvement, the ATRP process involves polymerizing in the presence of a (partially) free radical-deactivating amount of the corres...
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WO/1997/003098A1 |
The present invention pertains to novel water-soluble cationic modified acrylamide copolymers branched in a precisely determined way and of high molecular weight, more specifically to DADMAC acrylamide copolymers.
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WO/1996/037684A1 |
The present invention relates to (1) Clathrate hydrate inhibitors which comprises a macromolecular compound in which 5-15 membered ring pendant is directly connected to the polymer main chain through one of the atoms within the ring, e.g...
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WO/1996/029370A2 |
An improved barrier or drug delivery system which is highly adherent to the surface to which it is applied is disclosed, along with methods for making the barrier. In the preferred embodiment, tissue is stained with a photoinitiator, the...
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WO/1995/025759A1 |
Graft polymers containing N-vinyl units in which the graft base is a polymer which contains at least 5 wt % units of formulae (I), (II) in which R1, R2 = H or C1 to C6 alkyl, monoethylenically unsaturated monomers are grafted on the graf...
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