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WO/2003/070799A2 |
The invention relates to a method for producing aqueous dispersions of block copolymers by a two- or multi-stage controlled radical block copolymerisation in an aqueous medium. According to said method, in a first stage: (a) at least one...
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WO/2003/070776A1 |
The present invention relates to a novel method for preparing novel co-polymers by Gas Phase Radical Polymerization and novel compositions of copolymers thereof.
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WO/2003/068836A1 |
The invention relates to a block copolymer (A) composed of a (meth)acrylic polymer block (a) and an acrylic polymer block (b). It is preferable that the temperature for 5 % weight loss be enhanced to 300 °C or above by incorporation of ...
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WO/2003/068861A1 |
The invention relates to a composition comprising, for 100 parts by weight, 99-60 parts of a styrenic polymer (A), 1 - 40 parts of (B) + (C), (B) being a polyamide block and polyether block copolymer essentially comprising ethylene oxide...
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WO/2003/066712A1 |
A method for preparation of block copolymeric nanoparticles is disclosed. The method is a single−step preparation in which block copolymeric nanoparticles are produced directly from a solution of crosslinkable block copolymer in a carr...
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WO/2003/066738A1 |
The present invention relates to gels prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and controlled dist...
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WO/2003/066770A1 |
The present invention relates to adhesives and sealants prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selec...
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WO/2003/066763A1 |
The invention relates to the use of anti-adhesive packaging materials for packaging chemicals and food, particularly fine chemicals such as vitamins, carotenoids, scents, fragrances, and pharmaceutical chemicals as well as for the formul...
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WO/2003/066739A1 |
The present invention is a polymer modified bituminous composition having improved phase stability, heat aging and viscosity characteristics. The bituminous compositions are blends comprising bitumen and from 0.5 to 25 % of a novel anion...
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WO/2003/066696A1 |
The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in...
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WO/2003/062293A1 |
The invention relates to the production and use of block copolymers which are obtained by means of controlled radical polymerisation in the presence of nitroxides for the purpose of reinforcing fragile polymer matrices. The invention off...
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WO/2003/059974A2 |
The present invention is directed to a single stage free radical precipitation polymerization process for producing a copolymer involving admixing a solvent, a free−radical−forming agent, (meth) acrylic acid, and at least one monomer...
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WO/2003/059973A2 |
Novel block copolymers are described, together with the production therefrom of physiologically soluble polymer therapeutics. The block copolymers have the general formula (1) wherein R is selected from the group consisting of hydrogen, ...
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WO/2003/060565A2 |
The invention relates to novel, light adjustable optical elements. The optical elements contain an acrylate-based modifying composition which is capable of stimulus-induced polymerization. Novel telechelic acrylate polymers are also disc...
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WO/2003/059960A1 |
The present invention is directed to a dispersion of polymer particles in a dispersing medium. The polymer particles each contain an average of more than two living radicals that are not chemically protected. The present invention is als...
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WO/2003/055919A1 |
The invention provides a method for preparing an aqueous dispersion of polymer particles comprising the following steps: (i) preparing a dispersion having a continuous aqueous phase, a dispersed organic phase comprising one or more ethyl...
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WO/2003/054044A2 |
The present invention relates to the use of polymers comprising a block copolymer containing at least one group A and at least one group B in which each group A is a polymeric block built up from an ethylenically unsaturated polymerisabl...
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WO/2003/054043A1 |
The invention pertains to a grafted polymer having the formula R−X, X being: (I) wherein (a) P is a saturated polymer moiety, and R1 is selected from methyl, ethyl, phenyl, and halogen&semi or (b) P is a saturated polymer moiety connec...
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WO2002022689A9 |
The present invention provides an aqueous polymerization method for preparing graft copolymers, and copolymer compositions produced therefrom. The method of the present invention includes (a) forming a macromonomer aqueous emulsion conta...
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WO/2003/050185A1 |
The invention relates to a formulation comprising an ionic compound and a polyionic polymer. The invention more specifically relates to an improved formulation thereof, further comprising a copolymer. The improved formulation avoids phas...
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WO/2003/050184A1 |
The present invention relates to a cosmetic composition comprising at least one diblock copolymer, as well as to the use of the said diblock copolymer as a modifier of properties of cosmetic compositions, more preferably of compositions ...
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WO/2003/050195A2 |
The invention relates to a method for depositing a polymer onto a surface, by applying an aqueous composition, preferably an aqueous composition, onto said surface. The invention also relates to a method for making the composition. The c...
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WO/2003/046030A1 |
The invention relates to a method for increasing the molecular weight of polyacrylates, which is characterized in that polyacrylates, which are functionalized in at least part of their chain ends by photoinitiator groups X, are exposed t...
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WO/2003/046029A1 |
The present invention relates to a composition containing modified block copolymer dispersants and dispersible inorganic or organic pigments. The block copolymers are prepared by atom transfer radical polymerisation (ATRP) and modified w...
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WO/2003/046032A2 |
The invention concerns a linear block ethylene copolymer comprising: at least two blocks with different glass transition temperatures (Tg); at least one of said blocks having a glass transition temperature not higher than 20 °C; said po...
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WO/2003/046033A1 |
The invention concerns a linear block ethylene copolymer, comprising: at least two blocks having different glass transition temperatures (Tg); at least one of said blocks having a glass transition temperature not less than 20 °C; said p...
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WO/2003/046031A1 |
The invention relates to a method for increasing the molecular weight of polyacrylates, which is characterized in that polyacrylates, which are functionalized at least in part of their chain ends by appropriate groups X, are reacted at l...
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WO/2003/042254A1 |
A copper-mediated process for the synthesis of random copolymers of methyl acrylate with non-polarolefins, ranging from ethene to 1-octene, norbornene and norbornene derivatives, and capable of synthesizing copolymers having greater than...
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WO/2003/037945A1 |
A block copolymer having an acrylonitrile&sol styrene block is provided, which comprises a polymer block (A) formed by polymerizing a monomer component (a0) consisting of acrylonitrile in an amount of 10 wt% or above but below 50 wt% and...
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WO/2003/029317A1 |
Vinylaromatic copolymers modified with at least one monomer deriving from (meth)acrylic acid having a block structure which comprises at least two blocks, M and N, in each of the blocks M and N, the concentration of the monomer deriving ...
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WO/2003/024414A1 |
Resin compositions for cosmetics containing a linear block copolymer which has a constitutional unit derived from a compound having an ethyleninc unsaturated bond, has a number−average molecular weight of from 1.0x103 to 1.0x106 and ha...
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WO/2003/018648A1 |
The present invention provides block copolymers containing at least one block of a poly(heteroaromatic) polymer and at least two blocks of a non-conjugated polymer. The chemically different blocks of the copolymer are covalently bonded t...
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WO/2003/016414A1 |
The present invention is directed to a curable, water-based coating composition utilized in waterborne coating systems. The coating composition is the reaction product of a water-dispersible cross-linking agent and a water-based copolyme...
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WO/2003/010252A1 |
An antifogging coating composition which gives an antifogging coating film developing no water flow marks. It comprises: a block or graft copolymer comprising one or more hydrophilic polymer segments formed from a vinyl monomer having a ...
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WO/2003/008474A1 |
A block copolymer which is excellent in heat resistance, weatherability, oil resistance, flame retardancy, and cold resistance, can be economically produced, and has at least one polymer block consisting mainly of acrylonitrile or methac...
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WO/2003/006532A1 |
The invention concerns an aqueous composition comprising particles of a water-soluble or water-dispersible chemical microgel, associated with at least a water-soluble or water-dispersible crosslinking polymer, differing in composition fr...
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WO/2003/000819A1 |
The invention relates to strippable systems containing at least one adhesive mass based on at least one block copolymer, characterised in that the at least one block copolymer is at least partially based on (meth)acrylic acid derivatives...
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WO/2003/000794A1 |
A mixture of at least two components K1 and K2, each component based on at least one block co-polymer C1 or C2, whereby the at least one block co-polymer C1 of the component K1 comprises at least the unit P(A1)-P(B1)-P(A1) made from at l...
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WO/2002/100439A1 |
The present invention is directed toward water-soluble supramolecular self-assemblies and a process for their preparation via micellization of polyelectrolytes through the use of hydrophobic monomeric units. In this invention the polyele...
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WO/2002/098926A2 |
Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a primer coating P onto said surfa...
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WO/2002/092652A1 |
The invention relates to a method of preparing hydrophilic and heat-sensitive polymer particles carrying polar functional groups by means of radical co-polymerisation. The inventive method is characterised in that it involves the homopol...
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WO/2002/092696A1 |
A thermoplastic resin composition which comprises a thermoplastic resin (a) and a block copolymer (b) comprising a methacrylic polymer block (A) and an acrylic polymer block (B).
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WO/2002/090397A1 |
The invention concerns a method for preparing a polymer, comprising a step which consists in contacting: (A) at least a living organic polymer having at its chain end a dithiocarbonylated or dithiophosphorylated function capable of being...
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WO/2002/090424A1 |
The invention concerns a method for preparing polymers having at least a thiol function, comprising pyrolysis of at least a polymer having at least a function of formula (I), wherein: R1, R2, R3 and R4 are such as defined in the descript...
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WO/2002/090409A2 |
The invention concerns a copolymer with surfactant blocks comprising at least a hydrophilic block and at least a hydrophobic block prepared by a preparation method called living or controlled method, said copolymer having a number molecu...
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WO/2002/085957A1 |
A controlled free radical polymerization process, which includes the steps of: adding a monofunctional iniferter compound to an oxygen-free solvent; heating the solution to a temperature sufficient to allow the iniferter compound to form...
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WO/2002/081561A1 |
A thermoplastic resin composition which is excellent in oil resistance, heat resistance, weatherability, impact resistance, transparency, and moldability and can be produced by an economical method; an elastomer composition which has a h...
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WO/2002/079305A1 |
The present invention relates generally to polymerization processes and more particularly to modifying the surfaces of solid supports to facilitate polymerization processes. The present invention is predicated in part on the use of radic...
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WO/2002/079271A2 |
The invention relates to a composition comprising: a) an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid or mixtures thereof; or a mixture of an ethylenically unsaturated monomer or oligomer and an acid ...
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WO/2002/079308A1 |
The invention relates to aqueous dispersions that are free or substantially free from volatile organic compounds, containing (A) at least one graft polymer, producible by two-stage or multiple-stage radical copolymerization in an aqueous...
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