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Patent Searching and Data


Matches 901 - 950 out of 3,235

Document Document Title
WO/2002/079269A1
Methods and compositions for polymerization in ionic medium liquid at room temperature provide the benefit of allowing polymerization reactions to be carried out cheaply, and relatively quickly. The replacement of VOCs by these environme...  
WO/2002/077075A1
The invention relates to a method for producing colloidal particles having a controlled shape, size and anisotropy with water-soluble block copolymers comprising at least one hydrophobic block and at least one hydrophilic block which can...  
WO/2002/070575A2
The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization pr...  
WO/2002/070861A1
The invention relates to a hydraulic fracturing fluid comprising an aqueous liquid, and a block copolymer containing at least one water-soluble block and one hydrophobic block and being particularly suited for use in high temperature ran...  
WO/2002/070603A1
The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam form...  
WO/2002/068487A2
The invention relates to the use of an amphilic block copolymer, comprising at least one hydrophic bloc and at least one hydrophobic block, in order to create a low-energy surface such as a plastic or thermoplastic polymer based surface,...  
WO/2002/068485A1
A polymerisation process comprising the polymerisation of macromeers and eventually comonomers with a compatible macroinitiator to form a graft (co)polymer.  
WO/2002/068478A2
The present invention relates to a new process for the production of polymers by means of pseudo-living free-radical polymerization using nitrogen monoxide, as well as to intermediate products and polymers obtainable by the process accor...  
WO/2002/068550A2
The invention concerns the use of amphiphilic block copolymer, comprising at least a hydrophilic block and at least a hydrophobic block, as additive for film-forming aqueous compositions such as, in particular, paint, latex or sealant op...  
WO/2002/068486A2
The invention relates to copolymers having water-soluble blocks comprising at least one hydrophobic block and at least one hydrophilic block, said hydrophobic block having a quantity of hydrophilic units of between 33 and 99 wt.- % with ...  
WO/2002/056021A2
Sensors for determining the presence and concentration of bio-molecules in a biological sample are provided in the form of polymer brushes, which comprise a substrate having a surface modified with a hydrophobic polymer segment, attached...  
WO/2002/051952A2
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-based copolymer prepared by free-radical polymerization, a...  
WO/2002/051893A1
The invention concerns olefin-based copolymers with grafting-mediated affinity, characterised in that they consist of: i) at least a polyolefin functionalised with reactive functions of the appropriate type and in controlled number; ii) ...  
WO/2002/051947A2
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-based copolymer prepared by free-radical polymerization, a...  
WO/2002/050174A1
This invention relates to porous polymer films and methods for their preparation. In particular the present invention relates to a method for preparing porous polymer films using ATRP or RAFT polymerisation, or using graft polymers prepa...  
WO/2002/050167A2
The invention relates to thermoplastic silicon block copolymers containing (A) a hard segment polymer constituent selected from the group consisting of polystyrene, polymethylmethacrylate, polybutylacrylate, polyacrylonitrile, vinyl copo...  
WO/2002/047731A2
A composition for delivery of a therapeutic agent is provided. The composition comprises: (a) a biocompatible block copolymer comprising one or more elastomeric blocks and one or more thermoplastic blocks and (b) a therapeutic agent, whe...  
WO/2002/038632A1
The present invention pertains to a process for controlled free radical polymerization or copolymerization of vinyl chloride at a temperature between 40 °C and 95 °C, at a pressure between 5 and 30 bar in the presence of a stable free ...  
WO/2002/038617A1
This invention is related to a new shortstopping combination for use in stopping free radical and redox intiated polymerization is the combination of hydroxylamine (free base) (HA) and i-propylhydroxylamine (IPAH). It is more effective a...  
WO2000069942A9
Methods are disclosed in which a micelle is stabilized against degradation upon dilution. The micelle comprises molecules of a block polymer having a hydrophobic block and a hydrophilic block. The hydrophobic block forms a core of the mi...  
WO/2002/028932A2
Block copolymers are prepared by living-type or semi-living type free radical polymerization, with said copolymers having at least one random block comprised of at least one hydrophobic monomer and at least one hydrophilic monomer. The s...  
WO/2002/028929A1
Polymers may be made from zwitterionic monomers having controlled architectures and molecular weights, using living polymerisations such as group or atom transfer radical polymerisation. For instance polymers may be formed by atom transf...  
WO/2002/028976A1
A water-based coating composition which is prepared by dispersing a thermosetting coating composition in water in the presence of a suspension stabilizer consisting of a block copolymer and, if necessary, ridding the obtained aqueous dis...  
WO/2002/028913A2
The present invention describes preparation of nanocomposite particles and structures by polymerizing monomers onto a functional inorganic colloid comprising a polymerization initiation site. The polymerization process is preferably a co...  
WO/2002/022691A2
An aqueous dispersion of a segmental copolymer, wherein the aqueous dispersion has a Hard/Soft Balance Advantage value of at least 25 % is disclosed. A method for preparing the aqueous dispersion of a segmental copolymer is also disclose...  
WO/2002/022688A2
The invention concerns a method for preparing a first generation polymer comprising a step which consists in radical polymerisation of a composition containing: at least an ethylenically unsaturated monomer, a free radical source, at lea...  
WO/2002/022735A1
The invention concerns a latex with modified surface properties obtainable by a method which consists in adding a water soluble amphiphilic copolymer in an aqueous dispersion of a water-insoluble polymer obtained from ethylenically unsat...  
WO/2002/022734A2
The present invention relates to: a method of preparing a capstock layer that includes a comb copolymer; a method of preparing a multi-layered polymeric composite, one layer of which is a capstock layer; and a capstock layer and a multi-...  
WO/2002/022690A2
A method of forming a toughened article from a blend of a thermosetting polymer and a comb copolymer is disclosed, along with the toughened thermoset article produced thereby. Compositions including a thermosetting polymer and a comb cop...  
WO/2002/022716A2
A method of forming a toughened article from a blend of a thermoplastic polymer and a comb copolymer is disclosed, along with the toughened article produced thereby. Compositions such as solids blends and melt blends, including a thermop...  
WO/2002/022754A2
Adhesive compositions comprising (a) adhesive polymers or copolymers prepared from monomers selected from the group consisting of styrene, butadiene, acrylonitrile, ethylene, vinyl acetate acrylic acid, esters of acrylic acid, methacryli...  
WO/2002/022715A2
A method of forming a thermoplastic melt blend including a segmental copolymer, wherein the melt blend displays improved processing characteristics, is disclosed. A method of forming a plastic article including a thermoplastic and a segm...  
WO/2002/022750A2
An aqueous coating composition comprising a comb copolymer is disclosed. A method of forming a coating from the aqueous coating composition, and a coating formed by that method are also disclosed, as is a method of forming the comb copol...  
WO/2002/010223A2
The invention concerns a method for preparing a first generation polymer comprising a step which consists in free radical polymerisation of a composition comprising: at least an ethylenically unsaturated monomer, a source of free radical...  
WO/2002/010307A2
The invention relates to an adhesive material based on block copolymers of general type P(B)-P(A/C)-P(B), wherein each block copolymer consists of a central copolymer block P(A/C) and terminal polymer blocks P(B). The invention is charac...  
WO/2002/010308A1
The invention relates to an adhesive material based on block copolymers of general type P(A/C)-P(B)-P(A/C), wherein each block copolymer consists of a central copolymer block P(B) and two terminal polymer blocks P(A/C). The invention is ...  
WO/2002/010309A1
The invention relates to an adhesive material based on block copolymers of general type P(A)-P(B)-P(A), wherein each block copolymer consists of a central (co)polymer block P(B) and two terminal (co)polymer blocks P(A). The invention is ...  
WO/2002/008307A1
The invention concerns a method for preparing by thermal activation of hybrid silicone and organic polymers comprising the motifs R¿x?U¿y?SiO[4-(x+y)]/2 (I) wherein: x is equal to 0, 1, 2 or 3, y is equal to 0, 1, 2 or 3 with 2 $m(F) (...  
WO/2002/005765A1
The invention concerns a cosmetic composition comprising, in a cosmetically acceptable medium, at least a block copolymer consisting of at least two polymer blocks, each of the polymer blocks having a refractive index more or less by at ...  
WO/2002/000739A1
Fluoropolymers consisting of alternating perfluorocyclobutane and aryl ether linkages possess suitable properties for optical waveguides and other devices using refractive properties of the polymers. Perfluorocyclobutane (PFCB) polymers ...  
WO/2001/098373A1
The invention relates to a method for the production of a reaction product (A), comprising the following steps: reaction of a reaction mixture under radical conditions, said mixture comprising at least one monomer (a) capable of undergoi...  
WO/2001/096455A1
The invention relates to a bonding agent composition containing at least one block copolymer which can be produced by means of radical polymerisation, at least two blocks of different monomer compositions, and at least one magnetic or ma...  
WO/2001/096429A1
A block copolymer for hair styling compositions includes hydrophilic and hydrophobic blocks which allow for optimization of desirable characteristics of the hair styling composition, such as flow onto the hair, prevention of curl droop, ...  
WO/2001/096411A1
The present invention is directed to amphiphilic star polymers and their use as emulsion stabilizers in emulsion polymerization.  
WO/2001/096432A1
The invention relates to a bonding agent composition containing at least one block copolymer which can be produced by means of radical polymerisation, at least two blocks of different monomer compositions, and at least 2 wt. % of at leas...  
WO/2001/096291A1
The present invention is directed to multireactivity polymercaptans, star-shaped copolymers and methods of preparing wherein the polymer comprises a polyvalent mercaptan core and three or more polymeric arms which extend radially from th...  
WO/2001/096408A2
The invention relates to various uses of a reaction product (A) which can be produced by reacting at least one radically convertible monomer (a) in radical conditions and in the presence of at least one radical initiator and one radical ...  
WO/2001/095034A1
The invention concerns a novel photosensitive composition for photoresist and a system comprising a substrate and a photoresist obtained from said novel composition. The photosensitive composition for photoresist comprises a copolymer wi...  
WO/2001/094491A1
The invention relates to star-branched polymers containing pendent olefinic groups which have been crosslinked using actinic radiation and the use of these polymers in adhesives and coating applications.  
WO/2001/094424A1
The application discloses supported initiators for transition metal mediated living free radical and/or atom transfer polymerisation comprising an initiator moiety attached to a support via a selectively cleavable link, and their use to ...  

Matches 901 - 950 out of 3,235