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7622531 |
Powder paint composition
The present invention relates to a powder paint composition comprising at least (a) a thermosetting polymer having functional groups capable of reacting with β-hydroxyalkylamide units (b) a...
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7619054 |
Dendrimer compositions with high branching multiplicity
Dendrimeric compounds and polymers are also provided wherein the dendrimer core is derived from the Michael reaction products. The branching pattern of the core and the multiplicity of the Michael...
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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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7592398 |
Flexible polymer coating and coated flexible substrates
A coating composition comprising a first component having a first polyester polyol having a first functionality, and a second polyester polyol having a second functionality, wherein the second...
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7589150 |
Low molecular weight isotactic polypropylene polymers, copolymers and derivatives and materials prepared therewith
Disclosed are polypropylene homopolymers, copolymers and mono and polyfunctional polypropylene derivatives as well as methods of preparing them. These polymers are prepared in the eresence of a...
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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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7585931 |
Optically active high-molecular compounds
Disclosed are optically active high-molecular-weight compounds of the following formula
and stationary-phase materials containing the same. The high-molecular-weight compounds exhibit optical...
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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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7557174 |
Carboxy-terminated oligomeric polyester compositions and method for making
The present invention provides carboxy-terminated oligomeric polyester compositions useful in the preparation of “weatherable” polymeric materials, for example weatherable...
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7544746 |
Hyperbranched polymers
A process for preparing a hyperbranched polymer having a weight-average molar mass of at least 30,000, includes coupling a first prepolymer having at least three functional end groups with a second...
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7541416 |
Polycarbonate copolymer and process for producing the same
A polycarbonate copolymer which comprises 30 to 70 mol % of a structural unit comprising a bisphenyl fluorene structure and 70 to 30 mol % of a structural unit comprising tricyclo [5.2.1.0 2.6 ]...
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7534852 |
Polyanhydrides with therapeutically useful degradation products
An aromatic polyanhydride comprising a repeating unit having the structure
is disclosed, wherein Ar and R are selected so that the aromatic polyanhydride hydrolyzes to form a therapeutic...
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7531238 |
Laminated thermoplastic resin film and laminated thermoplastic resin film roll
The present invention provides a laminated thermoplastic resin film which is excellent in adhesion and blocking resistance. A laminated thermoplastic resin film has a covering layer containing a...
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7528211 |
Method for controlled polymerization of o-carboxy anhydrides derived from α-hydroxy acids
The invention concerns a method for preparing poly(-hydroxy acids), the polymerization reaction being performed in controlled manner in the presence of a catalytic system including a base, said...
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7521521 |
Highly functional highly branched or hyperbranched polycarbonates and the production and use hereof
High-functionality highly or hyper-branched polycarbonates based on dialkyl or diaryl carbonates and on aliphatic diol or polyols, processes for preparing them, and their use for preparing printing...
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7514525 |
Recovery and purification of polyhydroxyalkanoates
The present invention relates to a method to recover, purify and isolate polyhydroxyalkanoate (PHA) biopolymers from PHA-containing cell mass, which includes: (a) solubilizing the non-PHA cell mass...
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7511095 |
Thioester-terminated water soluble polymers and method of modifying the N-terminus of a polypeptide therewith
The invention provides reagents and methods for conjugating a polymer specifically to the α-amine of a polypeptide. The invention provides monofunctional, bifunctional, and multifunctional PEGs...
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7507474 |
Thermoplastic polymer composition comprising a hyperbranched polymer and articles made using said composition
The invention relates to thermoplastic compositions comprising a polymer matrix and an additive which modifies the rheological behavior of the matrix in the molten state. The purpose of the...
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7491752 |
Photoactive materials
Photoreactive dendrimers comprising a core portion, branching units and terminal groups, wherein at least one terminal group and/or branching unit is a photoreactive group and wherein the photo...
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7491751 |
Method for processing polyester wastes
A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a...
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7485401 |
Resin composition for toner, and toners
It is an object of the present invention to provide a resin composition for a toner and a toner excellent in low temperature fixation property, high temperature offset resistance, blocking...
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7462672 |
Polymer alloy
A polymer alloy of polyphenylene sulfide resin and a polyester resin with polyethylene terephthalate as a main component, and forming a co-continuous structure with a wavelength of concentration...
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7442427 |
Coextruded, hot-sealable and peelable polyester film, process for its production and its use
This invention relates to coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the...
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7435789 |
Crystalline high-compliance glycolide copolymers and applications thereof
The present invention is directed toward an absorbable crystalline segmented copolymer comprising a polyalkylene succinate segment end-grafted in a single-step with a mixture of monomers comprising...
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7425594 |
Copolymer of glycidyl ester and/or ether with polyol
A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein...
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7399518 |
Polyester film
The present invention provides a polyester film superior in heat resistance, chemical resistance, insulation property and thermal dimensional stability, and suitable for application to fields...
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7396578 |
Adhesion-promoted , heatsealable and peelable polyester film, process for its production and its use
Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A)...
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7393590 |
Biodegradable poly(lactic acid) polymer composition and films, coatings and products comprising Biodegradable poly(lactic acid) polymer compositions
The present invention relates to biodegradable polymer compositions comprising poly(lactic acid) and poly(epsilon caprolactone) and co-polyester polymer with adipic acid mixed with organic peroxide...
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7388067 |
Polyester composition comprising polybutylene terephthalate resin
Polyester compositions and methods to prepare and use such compositions are provided. The polyester compositions include a polybutylene terephthalate resin (PBT) and at least one additive, and have...
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7384690 |
Biaxially oriented thermoplastic resin film
In order to provide a film having excellent heat resistance, thermal dimensional stability, and mechanical properties, in particular, a film capable of satisfying required properties, e.g., higher...
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7375166 |
Polymeric blends for optical devices and method of manufacture thereof
A method for manufacturing a film or sheet comprises deforming a polymeric alloy at a temperature effective to impart to the deformed alloy a birefringence retardation of greater than or equal to...
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7371455 |
Laminates and packaging containers
A laminate has a core layer and a skin layer on either side of the core layer, wherein the skin layer is formed of a copolymer having a glass transition point of 85° C. or more and 115° C. or...
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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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7368169 |
Hydrazide compounds with angiogenic activity
Compounds exhibiting angiogenic properties incorporating the structure of Formula I:
R 3 —NH—NH—C(═O)—R 2 —P—R 1 ...
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7365133 |
Blends of poly(ester amide) polymers
Provided herein is a poly(ester amide) (PEA) polymer blend and coatings and medical devices formed of the blend.
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7361727 |
Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers
A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic...
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7361715 |
Polymer additives for powder coatings
Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating...
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7358325 |
Sulfonated aromatic copolyesters containing hydroxyalkanoic acid groups and shaped articles produced therefrom
Sulfonated aromatic copolyesters and articles made therefrom, and processes for producing the sulfonated aromatic copolyesters and articles are provided. Articles that can be made from the...
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7342086 |
Aliphatic polyester polyether copolymer, process for producing the same and aliphatic polyester composition using the copolymer
An aliphatic polyester polyether copolymer is provided having an aliphatic polyester moiety comprising 35 to 50 molar % of an aliphatic diol unit, 35 to 50 molar % of an aliphatic dicarboxylic acid...
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7332548 |
Process for production of a polyester product from alkylene oxide and carboxylic acid
A process to produce polyester product from alkylene oxide and carboxylic acid. More specifically this process relates to a process to produce polyethylene terephthalate where terephthalic acid and...
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7329453 |
White, heatsealable, peelable polyester film, process for its production and its use
Coextruded, biaxially oriented polyester films which have a white base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A)...
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7320829 |
Fluorinated polymer and amine resin compositions and products formed therefrom
A reactive fluorinated polymer having polyester and polyether segments is mixed with a reactive melamine resin to form a coating composition. The polyether segment can include monomeric units from...
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7318842 |
Agents and methods for treating biodegradable synthetic yarns
An agent and method for treating biodegradable synthetic yarns fabricated from a polymer comprising lactic acid as a main component, which enable improved lubricity, cohesion, etc. to be so...
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7303822 |
Resin structure and use thereof
Provided is a thermoplastic resin structure formed of a resin composition that comprises substantially (a) from 5 to 80% by volume of a polyamide resin and (b) from 20 to 95% by volume of a...
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7301000 |
Nucleating agents for polyhydroxyalkanoates
The present invention provides a process for crystallizing a polymer having at least 20 mole percent of hydroxyalkanoate repeat units, comprising admixing the polymer and a compound of the formula...
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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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7268181 |
Volume-modified casting compounds based on polymeric matrix resins
Bulk-modified potting composition based on a curable epoxy resin or on a mixture of these resins, where the resin or the mixture is composed of an epoxy resin, a hardener, where appropriate an...
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7267864 |
Image supporting material, method for use thereof and image forming apparatus utilizing the same
The present invention provides an image supporting material for fixably supporting a color toner image, the material including a base material, a light scattering layer provided on the base...
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7256241 |
Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters
The invention provides methods and formulations involving the use of promoters that accelerate the polymerization of macrocyclic polyester oligomers (MPOs). For example, in certain embodiments, the...
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