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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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7589156 |
Polyhydroxyalkanoic acid having ester, carboxyl or sulfonic acid group, and producing method therefor
The invention is to provide a novel polyhydroxyalkanoate having a reactive functional group within a molecule, a novel polyhydroxyalkanoate having a novel function by a chemical modification of the...
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7579413 |
Hyperbranched polymer modified biopolymers, their biobased materials and process for the preparation thereof
Compositions of biodegradable polymers and hyperbranched dendritic polymer (HBP) are described. The compositions can also include anhydride modified HBP. The resulting compositions have superior...
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7517937 |
Biodegradable resin composition and biodegradable resin molded article
The present invention relates a biodegradable resin composition comprising an L-lactic acid unit-containing resin (1) and a D-lactic acid unit-containing resin (2). Also disclosed is a...
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7511103 |
Poly(ester amide) block copolymers
Provided herein is a copolymer that includes a soft block (A) and a hard block (B) comprising a tyrosine di-peptide. The copolymer can be any of AB, ABA or BAB type block copolymers. The soft block...
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7465770 |
Environmentally degradable polymeric compounds their preparation and use as hot melt adhesive
The invention is directed to a method for preparing an environmentally degradable polymeric compound as well as to such a compound per se and to its use. A compound of the present invention...
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7419703 |
Thermally curable, thixotropic blends containing carbamate and/or allophanate groups
The invention provides heat-curable thixotropic mixtures containing carbamate and/or allophanate groups, including at least one oligomer and/or polymer containing at least one of carbamate and...
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7368511 |
Polymer blends with improved rheology and improved unnotched impact strength
This invention relates to a blend of biodegradable polymers comprising:
(A) about 15% to about 60% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than...
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7354531 |
Polymer electrolyte composition
A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III,
wherein each unit A may be identical or...
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7335699 |
Copolymers containing aminoplast units and use thereof as a dispersing agent or stabilizers
A description is given of water-soluble aminoplast ether copolymers of the following structural type:
wherein Z is a glycoluril central unit, B is a radical of an essentially water-insoluble...
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7288603 |
Polybenzazole compound having sulfonic acid group and/or phosphonic acid group, resin composition containing the same, resin molding, solid polymer electrolyte membrane, solid polymer electrolyte membrane/electrode assembly and method of preparing assembly
An object of the present invention is to obtain a novel polymeric material capable of forming a solid polymer electrolyte excellent not only in processability, solvent resistance and...
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7279534 |
Poly(heteroaromatic) block copolymers with electrical conductivity
The present invention provides block copolymers containing at least one block of a poly(heteroaromatic) polymer and at least two blocks of a non-conjugated polymer. The chemically different blocks...
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7273910 |
Process for the preparation of a functionalized polymer intermediate products, compositions and shaped parts
Process for the preparation of a functionalized polymer containing an additive, in which process there is formed a compound that contains, besides at least one blocked isocyanate group, a free...
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7268182 |
Polytrimethylene ether diol containing coating compositions
A coating composition comprising a film forming binder of
a. at least one polymer that has pendant groups, such as, hydroxyl, carboxyl, glycidyl, amine, amide, silane and mixtures thereof...
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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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7230065 |
Blends of polycarbonate and sulfone copolyesters
The present invention relates to miscible blends of the polycarbonate of bisphenol A and polyesters from aromatic dicarboxylic acids, 1,4-cyclohexanedimethanol, ethylene glycol, and...
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7226985 |
Polyester-polycarbonate compositions
Disclosed are polymer compositions comprising: (A) a first component comprising about 1 to 99 percent by weight at least one polyester (A) comprising: (1) diacid residues selected from the group...
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7175917 |
Biaxially oriented polylactic acid-based resin films
The present invention provides a biaxially oriented film of a polylactic acid resin that is suitable for films for bags and packaging films for various windows, particularly films for outlook...
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7151142 |
Biodegradable aliphatic polyester grafted with poly(ethylene glycol) having reactive groups and preparation method thereof
The present invention is directed to a poly(ethylene glycol)-grafted aliphatic polyester represented by Formula 1:
wherein X is an aliphatic ester, R is hydrogen or C 1-5 alkyl, Z is the...
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7148315 |
Monomer addition techniques to control manufacturing of bioabsorbable copolymers
Monomer addition methodology is provided to adjust monomer addition rates to a polymerization reactor. Advantages of the invention include control of bioabsorbable copolymer structure, improvement...
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7144976 |
Coumarin endcapped absorbable polymers
The present invention includes photocurable, liquid polymers incorporating coumarin ester endgroups into their molecular structure, which polymers are crosslinked upon irradiation with ultraviolet...
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7141643 |
Alkylene oxide-lactone copolymers
A block copolymer is disclosed, which comprises a first block comprising polymerized units of an alkylene oxide and a second block comprising polymerized units of an alkylene oxide and a lactone,...
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7138464 |
Functionalized, absorbable, segmented copolyesters and related copolymers
Absorbable heterochain polymers carrying acid or basic groups, capable of ionic conjugation with basic or acidic bioactive agents, respectively, are produced by free-radical addition of unsaturated...
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7129319 |
Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom
An absorbable crystalline, monocentric polyaxial copolymer comprising a central carbon or nitrogen atom and at least three axes, each of which includes an amorphous flexible component adjacent and...
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7105629 |
Coumarin endcapped absorbable polymers
The present invention includes photocurable, liquid polymers incorporating coumarin ester endgroups into their molecular structure, which polymers are crosslinked upon irradiation with ultraviolet...
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7094864 |
Process of continuously producing polyester polymer
The present invention uses a reactor that combines devices having a special portion structure to solve the difficulty of uniform blending due to the reactants becoming highly viscous, the...
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7074883 |
Acid end group poly(D,L-lactide-co-glycolide) copolymers with high glycolide content
Copolymers of lactide and glycolide with high glycolide content. The average glycolate block length is less then about 3, which allows the copolymer to be soluble in slightly polar solvents such as...
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7071288 |
Terpolymers from lactide
The present invention is generally directed to a process for producing lactide-based polymers and the polymers produced by this process. The polymers of the present invention are terpolymers formed...
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7070858 |
Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom
An absorbable crystalline, monocentric polyaxial copolymer comprising a central carbon or nitrogen atom and at least three axes, each of which includes an amorphous flexible component adjacent and...
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7067596 |
Ternary mixtures of biodegradable polyesters and products manufactured from them
The invention relates to a mixture of biodegradable polyesters which includes an aromatic-aliphatic polyester (A), an aliphatic polyester (B) and a polylactic acid polymer (C) in which the...
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7041417 |
Imaging process and products providing durable assemblages
This invention relates to an image receiving layer ( 22 ) of a receiver element ( 20 ) for laser-induced thermal transfer imaging processes. The image receiving layer ( 22 ) is made from a...
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7026437 |
Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom
An absorbable crystalline, monocentric polyaxial copolymer comprising a central carbon or nitrogen atom and at least three axes, each of which includes an amorphous flexible component adjacent and...
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7019106 |
Lactic acid polymer and process for producing the same
A process for producing a lactic acid polymer of 15,000 to 50,000 in weight-average molecular weight, the content of polymeric materials having not more than about 5,000 in weight-average molecular...
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6911522 |
Filled epsilon-caprolactone based polymer compositions, method for preparing same and articles based on said compositions
Compositions based on ε-caprolactone polymer, comprising at least one ε-caprolactone polymer and calcium carbonate. Process for preparing these compositions, which are used for manufacturing...
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6906148 |
Hot melt polyurethane adhesive compositions based on polyester block copolymers
The present invention relates to compositions comprising reaction products of a polyisocyanate with a polyester block copolymer and a process for the preparation thereof. These are suitable as a...
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6905987 |
Fibers comprising polyhydroxyalkanoate copolymer/polylactic acid polymer or copolymer blends
Environmentally degradable melt spun fibers comprising a polyhydroxyalkanoate copolymer and a polylactic acid polymer or copolymer are disclosed. A preferred configuration of the present invention...
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6903151 |
Wet-stick adhesives, articles, and methods
A wet-stick pressure-sensitive adhesive is provided wherein the pressure-sensitive adhesive comprises: at least one copolymerized monoethylenically unsaturated (meth)acrylic acid ester monomer,...
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6861479 |
Composition and process for the production of a porous layer using the composition
Production of a porous layer includes using a composition which includes a first polymer component and a second polymer component, the first polymer component being polyhydroxyamide and/or...
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6831149 |
Polymerization process using mono-and di-functional initiators to prepare fast crystallizing polylactone copolymers
The present invention is directed to a process for making an absorbable polylactone copolymer prepared in part from about 2 to about 80 mole percent glycolide, which process utilizes a combination...
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6830747 |
Biodegradable copolymers linked to segment with a plurality of functional groups
Biocompatible biodegradable polymer or copolymer is capped at one end and has free hydroxyl at the other end. The free hydroxyl can be reacted to link a plurality of functional groups some or each...
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6828412 |
Degradable polymers
A polymer comprising: a polymeric backbone comprising at least one unit having the structure (I), wherein R-R 4 comprise groups selected from the group consisting of H, C 1 -C 12 alkyl, C 6 -C 18...
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6828355 |
Resin-reinforced UV, moisture and UV/moisture dual curable silicone compositions
This invention relates to resin-reinforced silicone compositions curable upon exposure to radiation in the electromagnetic spectrum, which compositions when cured demonstrate improved elastomeric...
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6797788 |
Thermoplastic aliphatic polyester compositions, preparation method and uses thereof
The invention concerns thermoplastic aliphatic polyester compositions characterized by a melt flow index (RMFI) ranging between 1.1 and 2.5. The invention also concerns a method for preparing said...
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6794484 |
Crystallizable polylactone copolymers prepared from mono- and di-functional polymerization initiators
The present invention is directed to absorbable polylactone copolymers prepared in part from about 2 to about 80 mole percent glycolide, utilizing a combination of a monofunctional polymerization...
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6794462 |
High-molecular weight polymers and methods of manufacture
A composition comprises a solid-stated block copolymer of an aromatic polyester and a caprolactone, wherein the copolymer has been solid state polymerized such that intrinsic viscosity increases at...
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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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6770717 |
Sequentially ordered biodegradable lactide (glycolide or lactide/glycolide)&egr -caprolactone multi-block copolymer and process for the preparation thereof
Disclosed is a sequentially ordered biodegradable lactide (or glycolide or lactide/glycolide)/ε-caprolactone multi-block copolymers having proper degradation properties and enhanced mechanical...
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6767987 |
Lowly lactone-modified reactive monomer composition, acrylic polyol resins produced with the same, curable resin compositions and coating compositions
This invention provides a hydroxyalkyl(meth)acrylate composition modified by a small amount of lactones in which a proportion of monomers having two or more continuous chains of lactone is less...
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6762277 |
Method of manufacturing N-carboxyamino acid anhydride and polyamino acid
A method of manufacturing a new N-carboxyamino acid anhydride and polyamino acid using a simple process operation. The method for manufacturing N-carboxyamino acid anhydride comprising reacting...
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