Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 3,760

Document Document Title
WO2004096173A3
A method for the dispersion of water-soluble or hydrophilic substances in a supercritically pressurized fluid by adding a surfactant, said surfactant being a block copolymer comprising at least one C02-philic block and at least one non i...  
WO/2005/066232A1
The invention relates to linear or star block copolymers, the preparation method thereof and the use of same in adhesive compositions, for example as a pressure-sensitive adhesive. The inventive copolymers are prepared by means of nitrox...  
WO2005015268A3
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that...  
WO/2005/059032A1
The invention relates to a cosmetic composition containing, in a physiologically acceptable medium, at least one rod-coil type block copolymer comprising at least one coil polymer block structure having a variable configuration linked to...  
WO/2005/056739A1
The present invention relates to acrylic block copolymers synthesized by a controlled radical process, and their use as thickeners in oil-based compositions. The acrylic copolymers are especially useful as viscosity index improvers in lu...  
WO/2005/054323A1
The invention relates to an aqueous suspension of a block polymer consisting of a polyaddition or polycondensation polymer (polymer I) and a polymer obtainable by radical polymerisation (polymer II). The inventive aqueous suspension is c...  
WO/2005/054319A1
The instant invention provides a two-step polymerization process for preparing amphiphilic poly(N-vinyl-2 pyrrolidone), (PVP)-block-polyester copolymers and other diblock and triblock copolymers consisting of PVP as one block. The block ...  
WO/2005/054310A2
The invention relates to novel polymers based on poly(vinylester) copolymers and poly(vinylalcohol) copolymers, which have excellent thermal properties based on the exceptional composition thereof and the use thereof. The obtained poly(v...  
WO/2005/049678A2
A block copolymer comprising a fluorinated block and a non-fluorinated block and method of making the block copolymer are provided. Also provided herein are a coating on an implantable device comprising the block copolymer and method of ...  
WO/2005/047353A1
The invention relates to a method for producing high-impact polystyrene from diene monomers and styrene monomers by anionic or anionic and radical polymerisation. Said method is characterised in that: a) a rubber solution is produced fro...  
WO/2005/047354A1
A novel process to produce homo- and co-polymers by RAFT polymerization in emulsion is here disclosed. The invention mixes to different existing technologies: emulsion polymerization and living free radical polymerization (LFRP) by RAFT....  
WO/2005/044883A1
A block copolymer including two or more segments, wherein at least one of the segments is a gradient copolymer including two or more monomer components.  
WO/2005/042591A1
A method for producing polymers with controlled molecular weight and desired end functionalities and the resulting polymers. The method comprises a) forming a microemulsion comprising monomer, water, and an effective amount of an effecti...  
WO/2005/039641A2
Chemical polymerization procedures initiated by, and proceeding from, a protein for the formation of protein-polymer conjugates which have therapeutic uses, are intermediates for forming other materials or are usable in diagnostic sensor...  
WO2004113394A3
The application provides a method of producing a comb polymer comprising the steps of: (a) Providing: (i) a plurality of monomers which are linear, branched or star-shaped, substituted or non-substituted, and have an olefinically unsatur...  
WO2003062293A8
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...  
WO/2005/035607A1
Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing polymerizable gr...  
WO/2005/035651A1
A composite which comprises: fine particles of a block copolymer comprising a poly(ethylene glycol) chain segment and a poly(meth)acrylic ester chain segment having side chains comprising a secondary and/or tertiary amino group; and a ca...  
WO/2005/035661A1
A curable composition includes a functionalized poly(arylene ether), an olefinically unsaturated monomer, about 0.2 to about 5 parts by weight of a curing initiator per 100 parts by weight total of the functionalized poly(arylene ether) ...  
WO/2005/033199A1
The invention provides a novel thermoplastic elastomer composition which is well balanced between hardness and mechanical strengths and is excellent over a wide temperature range in rubber elasticity, creep performance at high temperatur...  
WO/2005/033160A1
A block polymer compound containing block segments, characterized in that at least one hydrophilic segment among the block segments is a copolymer segment composed of an ionic or hydrophilic repeating unit structure and a hydrophobic rep...  
WO/2005/033198A1
A pressure sensitive adhesive composition comprising one or more hydrogel-forming hydrophilic homopolymers or heteropolymers and one or more amphiphilic block-copolymers comprising hydrophobic polymer blocks being incompatible and hydrop...  
WO2004069888A3
Block copolymers comprise a core block formed of hydrophilic monomers and have pendant zwitterionic groups, and at least two terminal blocks, comprising stimulus-responsive groups. The core block has a degree of polymerisation of at leas...  
WO2003097704A8
The invention concerns a radical polymerization method for preparing halogenated polymers, using one or more ethylenically unsaturated monomers whereof at least one is selected among halogenated monomers, molecular iodine and one or more...  
WO/2005/021630A1
The present invention relates to a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) at least one hydroxylamine of high molecular weight, preferably a long chain alkyl substituted hydroxylamine...  
WO/2005/021612A1
The invention relates to a copolymer having a controlled structure, comprising at least two parts, part A and part B, said parts having different compositions, wherein part A is a hydrophilic or hydrophobic part, and part B is a part com...  
WO/2005/015268A2
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that...  
WO/2005/012377A1
The invention relates to novel polyvinyl polymers, initiator systems for the production thereof and to a method for the production of said polymers and to the use thereof as emulsifiers, detergents, lubricants and lacquer components for ...  
WO/2005/005503A1
A polymer which is satisfactory in adhesion and applicability to propylene polymer substrates and has surface hydrophilicity even when no halogen such as chlorine is contained therein. It is a propylene block copolymer characterized by b...  
WO/2005/003192A1
The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents i...  
WO2004069887A3
The present invention relates to the modification of copolymers, in particular of grafted copolymers into comb copolymers. The modification comprises the steps (i) of controlled radical polymerization of a polymer or copolymer bearing a ...  
WO/2004/113394A2
The application provides a method of producing a comb polymer comprising the steps of: (a) Providing: (i) a plurality of monomers which are linear, branched or star-shaped, substituted or non-substituted, and have an olefinically unsatur...  
WO/2004/112757A1
The present invention relates to a pharmaceutical composition of a biologically active agent and a block copolymer composed of a poly(ethylene oxide) forming hydrophilic segment and a poly(butyl (alkyl)acrylate-co-(alkyl)acrylic acid) th...  
WO2004087850A8
The invention relates to a lubricating oil composition with good frictional properties, said composition comprising a lubricating oil and at least one additive having friction-reducing properties. Said composition is characterised in tha...  
WO/2004/108783A1
Block copolymer of the structure Y-X, containing A) from 95 to 99.5% by weight of block Y containing, as monomeric units, al) a mixture composed of al 1) at least one vinylaromatic monomer, and a12) at least one comonomer which is not ma...  
WO/2004/108843A1
A curable, water-based coating composition comprising a reaction product of: a copolymer comprising a free-radical polymerization product of: a first block comprising a reaction product of: a pluralityof ethylenically unsaturated monomer...  
WO2004087777A3
Polymers comprising a polymer backbone comprising one or more degradable units are described. The polymer may additionally comprise two or more polymer segments comprising radically (co)polymerizable vinyl monomer units. The degradable u...  
WO/2004/106453A1
The invention relates to a method for the production of highly shear-resistant acrylate hotmelts with low flow viscosity in the hotmelt process and electron beam hardening with low dose to reduce the support damage. The above is characte...  
WO/2004/101629A1
The inventive subject matter relates to novel synthetic processes which use a multifunctional compound (the 'TERMINI compound') having a masked or protected functional group, wherein the TERMINI compound is capable of quantitatively and ...  
WO/2004/099275A1
Chain transfer agents for controlled radical polymerizations (RAFT) are described. The chain transfer agents have an azlactone moiety to provide telechelic (co)polymers.  
WO2004056898A3
There are disclosed star shaped thermoplastic elastomers made of acrylic block copolymers obtained by transition metal catalysed radical polymerisation. The elastomers comprise core arms obtained from monomers or mixture of monomers, who...  
WO/2004/096173A2
A method for the dispersion of water-soluble or hydrophilic substances in a supercritically pressurized fluid by adding a surfactant, said surfactant being a block copolymer comprising at least one C02-philic block and at least one non i...  
WO2004046215A3
Described are melt-processable block copolymers and compositions, embodiments of which may be useful in applications such as pressure sensitive adhesive (PSA) or heat-activatable adhesive, comprising polymeric end block and polymeric B b...  
WO/2004/094485A1
Photoiniferters for controlled radical polymerizations are described. The photoiniferters have a ring-opened azlactone moiety to provide telechelic (co)polymers.  
WO/2004/090030A1
The present invention relates to a novel polymerisate, which is prepared by applying the method of atom transfer radical polymerisation. The novel polymerisate is useful for stabilising a composition of matter susceptible to degradation ...  
WO/2004/089994A1
This invention provides a method for removing unwanted groups from a chain end of a polymer and replacing them with a more desirable group. In one aspect, the invention provides a method of free radical polymerization. The method include...  
WO/2004/090006A1
The invention aims at providing recording fluids which permit feathering-free and high-quality printing in high density and can give fast prints excellent in light fastness and water resistance and which exhibit low viscosity, good eject...  
WO2004009648A3
The invention pertains to a method for making a block or gradient final (co) polymer comprising a step of radically polymerizing a mixture of ethylenically unsaturated monomers in the presence of a) a radical precursor and b) an iodine a...  
WO/2004/087796A1
The invention relates to the use of block copolymers, obtained by controlled radical polymerisation in the presence of alkoxyamine derivatives of substituted nitroxides, for the production of perfectly transparent acrylic films with the ...  
WO/2004/087777A2
Polymers comprising a polymer backbone comprising one or more degradable units are described. The polymer may additionally comprise two or more polymer segments comprising radically (co)polymerizable vinyl monomer units. The degradable u...  

Matches 601 - 650 out of 3,760