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WO/1995/000578A1 |
A siloxane modified copolymer with general formula (I), wherein: x = 1 to 1,000; m = 2 to 100; n = 0 to 1,000; y = 1 to 3; and p = 1 to 200; wherein R and R1 are independently selected from the group consisting of hydrogen, alkyl groups ...
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WO/1995/000574A1 |
A polyetherester block copolymer useful in molding applications is prepared from the polymerization of from 5-50 % by weight of polyether block segments and from 50-95 % by weight of polyester block segments. The polyether block segments...
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WO/1994/028055A1 |
A staged feeding process for preparing a composition by mixing at least a first polymer and a second, dissimilar polymer forms a final composition comprising a uniform, small-particle dispersion of the first polymer in a matrix of the se...
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WO/1994/026778A1 |
A stabilized conjugated peptide complex comprising a peptide conjugatively coupled to a polymer including lipophilic and hydrophilic moieties, wherein the peptide may be insulin, calcitonin, or an enzyme. In a particular aspect, the inve...
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WO/1994/025503A1 |
A permselective graft polymer is disclosed that is formed by converting into intermediate reactive sites a portion of the cyano groups of a backbone polymer containing (a) units, and grafting polyalkylene oxide polymer chains to the back...
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WO/1994/024219A2 |
Pressure-sensitive adhesives (PSA's) and hot melt adhesives having good shear strength contain a thermoplastic elastomer in which the hard (A) blocks, or the soft (B) blocks, or both, contain side chain crystallizable (SCC) moieties. PSA...
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WO/1994/022956A1 |
This invention relates to a blend of a polyester, an amine functionalized elastomer and a graft coupling agent.
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WO/1994/022934A1 |
A linear random block copolymer comprising segments of polyethylene oxide and a relatively more hydrophobic polymer, e.g. polypropylene oxide connected by hydrophobic segments containing urethane and urea groups formed from the reaction ...
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WO/1994/020073A1 |
A lipid-polymer conjugate for use in forming long-circulating liposomes is disclosed. The conjugate includes a vesicle-forming lipid having convalently attached to its polar head group, one of the polymers: polyvinylpyrrolidone, polyviny...
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WO/1994/020553A1 |
Hydrogenated butadiene polymers having terminal silyl groups are prepared from a (4-vinylphenylene)dimethyl(t-butyl)silyl ether which is added to the polymer chain as a silyl ether initiator or an endcapping agent, or both. The silyl gro...
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WO/1994/017115A1 |
The present invention is directed to a novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive and tape made therefrom. The novel block copolymer comprises from about 4 to about 40 percent by weight of a ...
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WO/1994/017127A1 |
The present invention is an article of manufacture comprising a substrate having a binder composition applied thereon. The binder applied to the substrate comprising a polymeric backbone comprising recurring monomeric units derived from ...
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WO/1994/012986A1 |
The copolymer described is a segmented copolymer consisting essentially of organic segments A which have a number i of reactive ends such that i is from 1 to 6 inclusive, and segments B which have a number j of reactive ends such that j ...
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WO/1994/011411A1 |
Triblock polymers comprised of polysaccharide, such as heparin or dextran, and a hydrocarbon chain, have been prepared. The triblock polymer adsorbs strongly on the surface of hydrophobic polymer substrates such as polyethylene, through ...
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WO/1994/010225A1 |
Block copolyacetals are produced by the cationically initiated polyaddition of (A) acetaldehyde acetal units-containing polyacetals with at least 2 OH groups per molecule; and (B) acetaldehyde acetal units-containing polyacetals with at ...
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WO/1994/002537A1 |
The invention relates to a process for forming chain extended polymers and graft and block polymers and copolymers which comprises the steps of: (a) forming an intimate mixture of one or more polymers and one or more effective phosphorus...
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WO/1994/001483A1 |
Pharmaceutically acceptable, non-immunogenic conjugates are formed by covalently binding a biologically inactive, natural polymer or derivative thereof to pharmaceutically pure, synthetic hydrophilic polymers via specific types of chemic...
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WO/1993/025601A1 |
A process for forming extended chain polyesters and block or graft polyesters or copolymers which comprises the steps of (a) forming an intimate mixture of one or more polyesters, and an effective amount of one or more effective chain ex...
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WO/1993/024547A1 |
Radiation sensitive block copolymers (AB)p(B)qX wherein A is a poly(vinylaromatic) block and B is a poly(butadiene) block, wherein X is the residue of a polyvalent coupling agent, wherein p has a number average value of at least 1.5 and ...
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WO/1993/023456A1 |
A biodegradable interpolymer and composition is prepared by the reactive blending of a synthetic polymer having functional groups with a naturally occurring biodegradable polymer such as a carbohydrate or protein compound. During reactiv...
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WO/1993/021259A1 |
Shaped macromolecules composed of one or more dendritic polymers are disclosed and processes for producing such macromolecules. The novel shapes which are disclosed include barbells, kites, vinyl macromolecules and certain starburst poly...
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WO/1993/020129A1 |
Polyester resins on the basis of hydroxyl groups-containing prepolymers from olefinically unsaturated monomers are prepared by (1) polymerizing a mixture of (a) 60 to 90% by weight styrol or a styrol derivate having the general formula (...
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WO/1993/018649A1 |
In accordance with the present invention, there are provided methods to render cells non-adhesive and/or non-immunogenic with respect to macromolecules typically encountered in culture media or in physiological media.
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WO/1993/018851A2 |
A surfactant characterised by a plurality of addition-copolymer chains, on each chain an average of at least 0.5 chemisorptive groups and at least one monovalent polyether residue; and between the chains at least one divalent polyether r...
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WO/1993/017062A1 |
This invention relates to a branched fractal three dimensional polymer species which comprises rigid aromatic recurring units having electrophilic or nucleophilic reactive moieties on the exterior thereof. Another aspect of this inventio...
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WO/1993/017064A1 |
Blends of biodegradable polymers of hydroxybutyric acid and polyolefins of improved properties are produced by incorporating a compatibilising agent which comprises a block copolymer in which at least half of the mass of one block is rep...
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WO/1993/017058A1 |
An adhesive which contains a tackifying resin and a branched three-armed block copolymer composition comprised of polymeric blocks wherein the molecular weight is from about 180,000 to about 250,000, the polystyrene content is from about...
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WO/1993/016176A1 |
A method of immobilizing a chemical specie in a three-dimensional, crosslinked matrix. The method involves bringing together in covalent bonding proximity a desired chemical specie and a polymeric coupling compound having at least two la...
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WO/1993/008234A1 |
Thermoplastic compositions based on polybutylene terephthalate are provided which are useful in high temperature resistant wire coating applications. These compositions generally are four-component alloys containing a) 40-65 % by weight ...
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WO/1993/007194A1 |
A novel thermoplastic elastomer (TPE) which comprises (i) polymeric A blocks in which there are side chains comprising crystallizable moieties having a melting point Tq, and (ii) at least one amorphous polymeric B block having a glass tr...
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WO/1993/005089A1 |
A polyurethane resin polymer is described. The polymer is terminated on each end with a silane group, and has appended thereto at least one additional silane group. The polymer is useful in a one-component polyurethane-based sealant comp...
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WO/1993/004100A1 |
The invention relates to a process for the production of polymers by the living cationic polymerization of vinyl ethers, in which process the polymerization is terminated by the addition of a hydroxyl-containing component while adding an...
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WO/1993/002140A1 |
Graft polymers for use as compatibilizers and/or modifiers for engineering thermoplastic compositions are provided comprising the reaction product of functionalized thermoplastic polymers with styrene-maleic anhydride copolymer. The func...
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WO/1993/001225A1 |
A polyester-grafted polyamide comprising a polyamide as the trunk polymer and a thermoplastic polyester as the grafting polymer and having a number-average molecular weight of 50,000 to 500,000 in terms of standard polymethyl methacrylat...
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WO/1993/001227A1 |
Novel segmented block copolymers comprising mesogenic (or ''rod'') blocks and flexible coil polymer blocks are disclosed which can be blended with a substantially similar flexible coil polymer matrix to improve the mechanical properties ...
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WO/1992/020740A1 |
In order to produce a polymer mixture essentially consisting of starch and a polyolefine, up to 70 wt %. of thermoplastically processable starch is mixed with 10 to 40 wt %. polyolefine and 10 to 35 wt %. ethylene acrylate maleic anhydri...
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WO/1992/017521A1 |
Block copolymers of polyester resins obtained by reaction under polyaddition reaction in the solid state of different polyester resins in the presence of a bifunctional compound containing groups reactive with the COOH and/or OH groups o...
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WO/1992/016555A1 |
Biologically active macromolecular conjugates of a biologically active polypeptide or glycopolypeptide and one or more water-soluble polymer molecules covalently bonded thereto at a reactive carbonyl or carboxylic acid group of a peptide...
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WO/1992/015627A1 |
A fluorochemical graft copolymer comprising: a base polymer comprising polymerized units derived from monomers having terminal olefinic double bonds, having grafted thereto a plurality of polyfluoropolyether groups. Also disclosed is a p...
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WO/1992/014786A1 |
Ambient temperature curing compositions comprising a hydroxyl component and an anhydride component are disclosed. Cure is accelerated by the presence of an onium compound. The compositions are useful in the formulation and application of...
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WO/1992/013015A1 |
Preparation and use of a functionalized polymeric composition comprising a first phase and a second phase. The first phase comprises a first copolymer of a monovinylidene monomer and a comonomer selected to have at least one reactive epo...
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WO/1992/013018A1 |
Certain fibre-forming and film-forming polyamides, polyurethanes and polyureas have been prepared to have active substituents for covalent attachment of compounds, such as biological compounds having reactive amino or thiol groups. The a...
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WO/1992/012203A1 |
A thermoplastic composition is provided which comprises a blend of a thermoplastic such as a copolymer of styrene and maleic anhydride and a modified elastomeric component such as EPM or EPDM which has been modified with a primary amine ...
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WO/1992/012190A1 |
A grafted and/or functionalized macromolecule comprises entanglement-inhibited architecture wherein the polymer exhibits reduced melt viscosity. In one embodiment, the macromolecule comprises a polymer of an isoolefin having about 4 to a...
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WO/1992/010274A1 |
The present invention is directed to a multi-block polymeric material comprising a first amide acid prepolymer, made by combining A) a diamine with B) a dianhydride or its corresponding tetraacid or diacid-diester in an A/B mole ratio ra...
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WO/1992/010414A1 |
Food may be packaged and preserved for extended periods using intelligent polymers formed into food containers which have specific and variable gas permeabilities. The polymers used in forming the food packages are intelligent in that th...
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WO/1992/007023A1 |
A hydrophilised solid surface having a biopolymer-repellent hydrophilic outer layer is produced by causing a solid surface with anionic groups capable of reacting with amino groups, to react with a polyethylene imine which is partly subs...
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WO/1992/004384A1 |
The present invention pertains to polyethylene glycol (PEG) derivatized graft supports, to methods for making these supports and to methods of using the supports to synthesize peptides by solid-phase synthesis techniques. The PEG-graft s...
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WO/1992/003501A1 |
A highly heat-resistant thermoplastic elastomer composition comprising a thermoplastic graft copolymer composed of a polymer with a glass transition point of 10 °C or below as the principal chain and an aromatic oligomer with a pour poi...
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WO/1992/002582A1 |
A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C¿4? to C¿7? isomonoolefin and a ...
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