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7632626 |
Anti-reflective coating forming composition for lithography containing polymer having ethylenedicarbonyl structure
There is provided an anti-reflective coating forming composition for lithography comprising a polymer having an ethylenedicarbonyl structure and a solvent; an anti-reflective coating formed from...
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7632885 |
Resin composition, resin molding, package and production method of resin molding
A resin composition includes: a plant-derived polymer compound; and a polyimide resin.
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7619041 |
Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method
A resin particle producing method that includes at least an emulsification step of emulsifying a composition containing at least a polymerizable monomer and a polymerization step to form droplets...
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7608670 |
Binder comprising a crosslinked polyanhydride grafted with a lower molecular weight anhydride
An improved curable formaldehyde-free binding composition is provided. Such curable composition comprises the reaction product of a polyanhydride and a polyol crosslinker and a lower molecular...
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7605209 |
Coating compositions containing reactive diluents and methods
The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels. Certain embodiments of the present invention...
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7598318 |
Thermosensitive and biocompatible amphiphilic poly(organophosphazenes) and preparation method thereof
The present invention relates to a thermosensitive and biocompatible poly(organophosphazenes) represented by Formula 1, and a preparation method thereof:
wherein R is a methyl or ethyl...
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7595363 |
Toughened poly(hydroxyalkanoic acid) compositions
Disclosed are toughened poly(hydroxyalkanoic acid) resin compositions comprising poly(hydroxyalkanoic acid), such as polylactic acid, and an impact modifier comprising an ethylene copolymer made...
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7588794 |
Coatings for drug delivery devices based on poly (orthoesters)
A polymer coating for implantable medical devices based on polyorthoesters and methods for fabricating the coating are disclosed. The implantable medical devices made of polyorthoesters and methods...
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7589157 |
Multi-arm block copolymers as drug delivery vehicles
The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a...
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7582721 |
Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom
In a preparation of random polyoxadiazole copolymer by reaction of a mixture of oleum, hydrazine sulfate, terephthalic acid, and isophthalic acid, the improvement requires the addition of oleum in...
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7547748 |
Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same
The present invention is related to a polymer comprising terminal sulfonic acid groups, which has a high ionic conductivity and good structural stability, does not decompose even under low humidity...
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7538181 |
Method for preparing poly (lactic acid)-based resin and its co-polymers
A method for preparing poly (lactic acid)-based resin or its co-polymers with high molecular weight, the method comprising a condensation process using a thiaole cation condensing agent, as well as...
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7381772 |
Toughened poly(lactic acid) compositions
Toughened poly(lactic acid) resin compositions comprising poly(lactic acid) and an impact modifier comprising an ethylene copolymer made from monomers (a) ethylene; (b) one or more olefins of the...
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7358324 |
Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be...
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7348397 |
Supramolecular polymers
The invention relates to a supramolecular polymer containing units which are linked by hydrogen bonds, said units being monomers of prepolymers comprising at least one functional group selected...
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7288605 |
Polymer dye and method for producing the same and its use in light-emitting diodes and other optical components
A method and apparatus for the removal of free, emulsified, or dissolved water from liquids of low volatility, such as oil, is shown. The liquid of low volatility is removed by contacting the fluid...
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7265186 |
Multi-arm block copolymers as drug delivery vehicles
The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a...
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7256251 |
Methods of synthesis of polymers and copolymers from natural products
Described are polymers and copolymers containing sorbitol, citric acid, starch, aspartic acid, succinic anhydride, adipic acid mixtures thereof, methods of their synthesis and their uses.
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7241832 |
Biodegradable polymer blends for use in making films, sheets and other articles of manufacture
Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer....
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7223831 |
Biodegradable resin composition
A biodegradable resin composition comprising polylactic acid and nanosheeted layered titanic acid characterized in that the nonasheeted layered titanic acid is nanosheeted layered titanic acid...
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7217770 |
Stable polymeric micelle-type drug composition and method for the preparation thereof
A biocompatible stable composition containing a hydrophobic drug, such as paclitaxel. The composition, which forms a syringeable polymeric micellar solution in aqueous or body fluids, is a...
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7193020 |
Film and laminate of the same
A film comprising a resin alloy of a liquid-crystalline polyester, a polyimide and an optional inorganic filler is provided. The film is excellent in heat resistance and dimensional stability.
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7176256 |
Biocompatible crosslinked composition
Crosslinked polymer compositions comprise a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple electrophilic groups....
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7160949 |
Olefin block copolymers, processes for producing the same and uses thereof
Olefin block copolymers (A-1) are disclosed represented by the formula (I) PO 1 -g 1 -B 1 . . . (I) wherein PO 1 is a segment comprised of repeating units derived from an olefin having 2 to 20...
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7151135 |
Crosslinked polymer compositions
Provided are crosslinked polymer compositions that include a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple...
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7141302 |
Suture material for surgery, processes for its production and the use thereof
A suture material for surgery comprises one or more filaments and is formed with a coating, which is characterized in that the coating at least partly comprises a bioresorbable polymer, which is...
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7138441 |
Bioabsorbable blends and surgical articles therefrom
Blends made of bioabsorbable materials including glycolide, lactide, caprolactone, dioxanone, trimethylene carbonate, alkylene glycols, esteramides, etc., and polymers and copolymers thereof with...
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7091306 |
Process for preparing polyalkenylsuccinimides
The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of:
(a) preparing a polyalkenyl...
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7091305 |
Copolymers of amino acids and methods of their production
Disclosed are copolymers based on aspartic acid or its precursor molecules and methods of their production. The copolymers are water-soluble over a wide range of composition and molecular weight....
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7074484 |
Materials having shape-memory
The present invention relates to shape deformable materials, which are capable of (1) being deformed, (2) storing an amount of shape deformation, and (3) recovering at least a portion of the shape...
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7074881 |
Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof
Disclosed are methods of synthesis of copoly(succinimide-aspartate), copolymers and derivatives thereof, prepared in a thermal or supercritical fluid method. Also disclosed are methods of...
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7008995 |
Carboxy resin crosslinkers
Carboxy resins of low equivalent weight per carboxyl group are synthesized by reacting a compound having two or more isocyanate groups with a compound having one hydroxyl group and two or more...
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7005123 |
Functional poly-α-amino-acid derivatives useful for the modification of biologically active materials and their application
A linear poly-α-amino-acid derivative has at least glutamic or aspartic or serinic repeating units and additionally having a functional group at one or both ends of the polymer backbone and/or...
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6949620 |
Polymeric micellar structure
The invention relates to a polymeric micellar structure which comprising an ionic porphyrin dendrimer represented by general formula (1): q(c)PM (where q represents the number of charged atoms on...
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6916868 |
Selective modification of pendent functionalities of polymers
A process for selectively modifying pendent functionalities of a polymer containing the pendent functionalities and hydrolytically unstable backbone functionalities is provided. The process...
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6911496 |
Composition for administration of a biologically active compound
Provided are crosslinked polymer compositions that include a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple...
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6906165 |
Copolyamides and compositions based on same
The invention concerns copolyamides obtained by using multifunctional monomers. It consists in using a multifunctional monomer comprising at least three reactive functions and at least another...
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6864354 |
Modified polyamides, polyamide compositions, and method for making same
The invention relates to modified polyamides, and more particularly to polyamides containing units of the type obtained by reacting a diacid with a diamine, modified with a multifunctional...
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6861468 |
Polyester resin composition
A polyester resin composition containing a thermoplastic polyester resin; a polyester copolymer containing a monomer having at least one of an amino group, an imino group, an amido group, and a...
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6861503 |
Interlinked solid polyethylene glycols and copolymers thereof
The present invention is directed primarily to an interlinked crystalline solid polyethylene glycol composition (I-PEG) having a molecular weight of at least 20 kDa and a melting temperature of at...
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6833408 |
Methods for tissue repair using adhesive materials
A method of tissue repair is provided using a biocompatible nonimmunogenic adhesive composition. The adhesive composition comprises collagen and a plurality of crosslinkable components having...
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6828413 |
Process for the preparation of a polyamide
The invention relates to a process for the preparation of a polyamide comprising at least a step in which a composition that comprises at least (a) a primary aminocarbonamide and (b) an...
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6825313 |
Copolymers of amino acids and methods of their production
Disclosed are copolymers based on aspartic acid or its precursor molecules and methods of their production. The copolymers are water-soluble over a wide range of composition and molecular weight....
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6784280 |
Polysuccinimide(CO) polymer derivate and process for production thereof
A process for producing a polysuccinimide (co)polymer derivative which permits the reaction of a polysuccinimide (co)polymer with a Lewis base in a wide temperature range (90° to 300° C.) without...
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6784276 |
High-solids polyimide precursor solutions
This invention is a highly concentrated stable solution of polyimide precursors (monomers) having a solids content ranging from about 80 to 98 percent by weight in lower aliphatic alcohols i.e....
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6780941 |
Process for preparing polymeric fibers based on blends of at least two polymers
Blending of thermoplastic polyester with fiber-forming polyamide in the production of melt-colored melt-spun fibers results in improved color strength and aesthetics, and dimensional stability.
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6780813 |
Process for producing DMC catalysts
The invention relates to an improved method of producing double-metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides to starter compounds...
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6776930 |
Method for preparing light-absorbing polymeric compositions
The present invention recites a method comprising reacting in a solvent in the presence of a base a) at least one diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing...
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6774207 |
Polyaspartate resins with good hardness and flexibility
The present invention relates to polyaspartate mixtures containing a) 5 to 70 equiv. %, based on the total equivalents of aspartate groups, of a cyclic polyaspartate corresponding to the formula ...
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6774206 |
Polyaspartate resins with improved flexibility
The present invention relates to polyaspartates corresponding to the formula wherein X 1 represents the residue obtained by removing the amino groups from a polyether polyamine having a...
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