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WO/2000/004120A1 |
The invention concerns a terephthalic polyester composition (CPT), comprising in mixture: an ethyleneterephthalate homooligomer (PET¿1?) essentially containing recurrent terephthalate oxyethylene (TE) units; and a block terephthalate co...
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WO/2000/001779A1 |
A protective coating composition in an organic liquid carrier comprising a polymeric film forming binder, the polymeric binder comprising by weight: (a) 50 % to 100 % of an epoxy-polyester block copolymer being the reaction product of a ...
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WO/2000/001734A1 |
Linear cyclodextrin copolymers and linear oxidized cyclodextrin copolymers containing an unoxidized and/or an oxidized cyclodextrin moiety integrated into the polymer backbone are described. Methods of preparing such copolymers are also ...
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WO/2000/000536A1 |
Heating an intimate mixture of: (a) a polyamide which contains pendant carboxylic acid groups; and (b) a compound which contains an animo group efficiently affords graft polymers with a high graft density. Such graft polymers are particu...
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WO/1999/064617A1 |
Hydroxy-terminated PHA is produced by cultivating a PHA-producing microorganism in the presence of an aliphatic diol or an aliphatic polyol. High molecular weight hydroxy-terminated PHA is obtainable by the disclosed process, and is usef...
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WO/1999/062983A1 |
PEG-POE, PEG-POE-PEG, and POE-PEG-POE block copolymers have both hydrophilic and hydrophobic blocks. They form micelles in aqueous solution, making them suitable for encapsulation or solubilization of hydrophobic or water-insoluble mater...
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WO/1999/052560A1 |
Synthetic comb copolymers which elicit controlled cellular response, methods of applying these polymers to various surfaces, and methods of using the polymers for modifying biomaterial surfaces, in tissue engineering applications and as ...
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WO/1999/050323A1 |
A compatibilized polymer composition of polyolefin and polyamide, comprising a grafted copolymer consisting of a polyolefin homopolymer grafted with 3-isopropenyl-$g(a),$g(a)-dimethyl-benzene isocyanate (TMI) and bonded to the grafted TM...
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WO/1999/048535A1 |
The present invention provides formulations that prevent loss and damage of PEG-interferon alpha conjugates during and following lyophilization. The formulations of the present invention protect PEG-interferon alpha conjugates from loss ...
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WO/1999/047468A1 |
The invention concerns a water soluble or water dispersible dispersing agent for cement composition and mineral particle aqueous suspensions, containing carboxylic functions, optionally partially or totally salified and polyether chains ...
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WO/1999/042528A2 |
Shape memory polymer compositions, articles of manufacture thereof, and methods of preparation and use thereof are described. The shape memory polymer compositions can hold more than one shape in memory. Suitable compositions include at ...
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WO/1999/038898A1 |
The invention generally concerns a novel family of biocompatible surfactant copolymers having a wide range of uses, in particular in pharmaceutics and for synthesising substances in dispersed state and for surface treatment of materials ...
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WO/1999/032521A1 |
Disclosed are silicone polymers comprising: a) formulae (Ia), wherein [A]¿m? and [B]¿n?, individually, is a non-reacting polymeric substituent wherein m + n is an integer of 1 to about 100,000, where one of m or n can be 0; and at leas...
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WO/1999/028389A1 |
A solvent based composition containing a non-aqueous solvent and a substantially non-gelled polymeric composition is disclosed. The polymeric composition comprises the reaction product of an A polymer which is an addition polymer having ...
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WO/1999/024485A2 |
A substantially non-gelled polymeric composition is disclosed and comprises the reaction product of an A polymer which is an addition polymer having 3.5 or more reactive functional groups per polymer chain and a B polymer having about 2 ...
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WO1999015577B1 |
The invention relates to a method for producing a polymer composition in which at least 1) a polymerization of a mixture comprised of a) from 60 to 99.999 wt. % styrene or a styrene derivative of general formula (I), wherein R1, R2, R3 a...
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WO/1999/024510A1 |
An aqueous polymeric dispersion is described containing at least one substantially non-gelled polymeric composition comprising the reaction product of an A polymer which is an addition polymer having 3.5 or more reactive functional group...
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WO/1999/023177A1 |
Proposed is a thixotropic agent for alkyd resins comprising the reaction product of an alkyd resin and a poly(ester)amide obtained by reacting a polycarboxylic acid with a compound of the formula: X¿m?-R-Y¿n?, wherein R stands for an o...
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WO/1999/022380A1 |
A processable electrically conductive polymeric complex, the complex comprising a polyelectrolyte having acid functional groups and a conductive polymer selected from the group consisting of polyaniline, polypyrrole, polythiophene or pol...
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WO/1999/018142A1 |
A water soluble biodegradable ABA- or BAB- type triblock polymer is disclosed that is made up of a major amount of a hydrophobic polymer made up of a poly(lactide-co-glycolide) copolymer or poly(lactide) polymer as the A-blocks and a min...
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WO/1999/015433A1 |
Active oxygen scavenging compositions and their use in packaging articles are disclosed. The compositions are all plastic materials and are typically deployed as at least one layer in a multi-layered wall of a packaging article such as a...
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WO/1999/015432A1 |
Compositions for scavenging oxygen are disclosed. These compositions comprise copolyamides comprising over 50 weight percent polyamide segments and an active oxygen scavenging amount of polyolefin oligomer segments. The polyamide segment...
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WO/1999/011711A1 |
The invention relates to a method for making a polymer composition by solid state polymerizing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane. The polymer is preferably ...
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WO/1999/011710A1 |
The invention relates to a method for marking a polymer composition by melt mixing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane, wherein the thermoplastic polyurethane...
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WO/1999/010421A1 |
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one interpolymer of an alpha-olefin and vinyl aromatic monomer and (2) a coupling amount of at least one poly(sulfony...
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WO/1999/010423A1 |
The present invention includes a process of preparing a coupled polymer by heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 c...
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WO/1999/010415A1 |
A process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture, hereinafter referred to as a concentrate, of a first amount of a first polymer or in a liquid which does not require removal from...
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WO/1999/010426A1 |
The invention includes a process of preparing a coupled polymer blend by heating an admixture containing (1) a polymer blend of (A) from 1 to 99 weight percent of one or more $g(a)-olefin/hindered vinyl monomer substantially random inter...
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WO/1999/010422A1 |
The invention includes a process of preparing a coupled polymer characterized by heating an admixture containing (1) at least one ethylene polymer or blend of ethylene polymers having a density of at least 0.89 g/mL and less than 0.935 g...
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WO/1999/010427A1 |
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing: 1) at least one polyolefin comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 ...
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WO/1999/010412A1 |
The invention relates to a new polysiloxane-based block copolymer having a formula (I): T(AB)¿x?AT wherein A = -(SiR'R''O)¿n?SiR'R''-, wherein R' and R'' are the same or different and represent a lower alkyl group or a phenyl group, wh...
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WO/1999/010446A1 |
There is described a polymeric material which includes optionally substituted vinyl alcohol moieties as an energy absorbing means. The polymeric material may be a copolymer. Electrolytes may be associated with the polymeric material to a...
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WO/1999/005183A1 |
The invention concerns novel cationic polymers of formula (I) in which n is a whole number between 0 and 5 and p is a whole number between 2 and 20000, more particularly p ranges between 10 and 18000, and advantageously between 200 and 1...
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WO/1999/002466A1 |
Substances useful as water reducing and superplasticizer additives for cement compositions are formed by $i(in situ) polymerization of one or more ethylenically unsaturated acid monomers such as acrylic acid or maleic anhydride in a reac...
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WO/1999/001498A1 |
PEG-chitosan conjugates comprising chitosan and polyethylene glycol moieties or derivatives thereof which are bonded together and their use in medicine is described. In one embodiment, the conjugate comprises a chitosan moiety or a deriv...
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WO/1999/001490A1 |
The invention relates to methods for producing polymers by coupling living polymer blocks, formed from an anionic polymerization initiator and anionically polymerizable monomers, with glycidyl ether of aliphatic alcohols as coupling agents.
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WO/1999/001480A1 |
Hydrophilic chitin derivatives formed by ether bond of the unit of N-acetyl-D-glucosamine and its derivatives at $g(b)-1, 4 sites; wherein the chitin derivatives are expressed by formula (1) in which n1+n2+n3 > 5, n1/(n1+n2+n3) > 0.2 and...
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WO/1998/058970A1 |
Polyisobutylene (PIB) functionalized with terminal reactive unsaturation is disclosed. Carbocationically polymerized monohalogen-terminated PIB is dehydrohalogenated in a hydrocarbon solvent using an alkoxide of the formula RO-M wherein ...
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WO/1998/059064A1 |
The invention relates to complexes consisting of nucleic acid and polyethylene imine (PEI) in which the PEI is modified by means of hydrophilic polymers, such as polyethylene glycol, linked to the PEI by a covalent bond, and to a method ...
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WO/1998/055815A1 |
A method for forming thermoplastic heat exchanger panels without using solvents, wherein a co-extruded film is used to provide a layer of toughened, heat-sealable nylon on a layer of regular nylon, and using such panels in a gas-assisted...
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WO/1998/055161A1 |
The present invention relates to a medicament comprising a biopolymer matrix comprising cross-linked vinyl-derivatives of gelatin, or co-polymerized methacrylamide modified gelatin with vinyl-modified polysaccharides, or cross-linked vin...
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WO/1998/052980A1 |
This invention provides the composition, preparation, and end-use of waterborne cross-linking technology based compositions prepared from water-based latexes. The invention provides a water-based latex comprising dispersed, waterborne am...
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WO/1998/052994A1 |
Graft copolymers having cationic units pendant to the backbone chain are disclosed. These polymers are prepared by reacting a polymer containing halogenated para-methylstyrene units in the chain, e.g., a brominated copolymer of isobutyle...
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WO/1998/052994A2 |
Graft copolymers having cationic units pendant to the backbone chain are disclosed. These polymers are prepared by reacting a polymer containing halogenated para-methylstyrene units in the chain, e.g., a brominated copolymer of isobutyle...
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WO/1998/050452A2 |
A process for producing an aqueous coating composition comprising an aqueous dispersion of internally cross-linked polymer microgel particles in which the microgel particles are produced by emulsion polymerisation of ethylenically unsatu...
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WO/1998/047967A1 |
The invention concerns a method consisting in contacting, between 100 �C and 230 �C and under agitation, an elastomer, a functionalising agent and optionally a peroxide compound. The functionalising agent is a thiolcarboxylic acid po...
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WO/1998/048028A1 |
Hydroxy-terminated PHA is produced by cultivating a PHA-producing microorganism in the presence of an aliphatic diol or an aliphatic polyol. High molecular weight hydroxy-terminated PHA is obtainable by the disclosed process, and is usef...
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WO/1998/047948A1 |
Compositions for coating biological and non-biological surfaces, which minimize or prevent cell-cell contact and tissue adhesion, and methods of preparation and use thereof, are disclosed. Embodiments include polyethylene glycol/polylysi...
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WO/1998/045265A1 |
The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence o...
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WO/1998/041556A1 |
The present invention provides a diblock copolymer comprising: (a) a first block of polyester wherein said first block is made from aromatic polyester having: (i) an intrinsic viscosity which is measured in a 60/40 by weight mixture of p...
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