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7612143 |
Metallized nanostructured chemicals alloyed into polymers
Metallized nanostructured chemicals are incorporated at the molecular level as alloying agents for the reinforcement of polymer microstructures, including polymer coils, domains, chains, and...
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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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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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7566753 |
Branching polylactide by reacting OH or COOH polylactide with epoxide acrylate (co)polymer
Polylactide polymers are reacted with an epoxy-functional acrylate polymer to introduce long-chain branching into the polymer. The acrylate polymer provides a flexible means for introducing a...
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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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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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7488783 |
Method for the production of polyactide from a solution of lactic acid or one of the derivatives thereof
A process for the production of polylactide, the stages of which for the production and purification of lactide, starting from an aqueous solution of lactic acid or of its derivatives, includes...
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7455674 |
High strength bioresorbables containing poly-glycolic acid
Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said...
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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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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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7351243 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
High strength bioresorbables containing poly-glycolic acid
Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said...
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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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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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7288608 |
Degradable thiol-ene polymers
A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components,...
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7265188 |
Biodegradable polyester blend compositions and methods of making the same
The present invention relates to tough and ductile biodegradable, aliphatic polyester blend compositions and methods for preparing such compositions. It relates to products made out of such blend...
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7247671 |
Aqueous crosslinkable coating compositions based on vinyl fluoropolymer
Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which...
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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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7235673 |
Glycolide production process, and glycolic acid oligomer for glycolide production
The invention relates to a glycolide production process wherein a depolymerization reaction system comprising a glycolic acid oligomer or a glycolic acid oligomer and a polar organic solvent is...
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7235621 |
Process for producing copolyester
Process for producing a copolyester of desired quality at low cost with high productivity, preferably a process for producing P(3HB-co-3HH) of 4 mol % or more 3HH content with a productivity as...
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7224050 |
Plastic materials including dendrimers or hyperbranched polymers for integrated circuit packaging
Integrated circuit packages and their manufacture are described, wherein the packages comprise dendrimers or hyperbranched polymers. In some implementations, the dendrimers or hyperbranched...
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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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7202326 |
Glycolic acid copolymer and method for production thereof
A glycolic acid copolymer comprising (a) 80 to less than 95% by mole of glycolic acid monomer units, (b) 5.0 to 20.0% by mole of non-glycolic, hydroxycarboxylic acid monomer units, and (c) 0 to...
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7199194 |
Two component coating compositions containing highly branched copolyester polyol
This invention relates to rapid curing coating compositions that are particularly useful for automotive OEM and refinish applications. The coating composition includes a binder component that...
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7196123 |
Polyester block copolymer composition and process for the preparation thereof
The invention provides a polyester block copolymer composition (R) obtained by thermally-processing a polyester block copolymer composition (Q) obtained by melt-mixing 100 parts by weight of a...
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7193029 |
Sulfonated copolyetherester compositions from hydroxyalkanoic acids and shaped articles produced therefrom
The present invention provides certain sulfonated copolyetherester compositions containing hydroxyalkanoic acids and processes for producing such sulfonated aromatic copolyetheresters. The...
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7169860 |
Amorphous-crystalline block copolymers
Biodegradable block copolyesters obtained from crystalline blocks and amorphous blocks, wherein the repeating units of both blocks are of the dicarboxylic acid/diol type. Said copolyesters are...
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7166343 |
Method of and items for reducing latex exposure
Methods of reducing exposure to latex comprise forming an item comprising a biodegradable polyhydroxyalkanoate copolymer comprising two randomly repeating monomer units. The first randomly...
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7157525 |
Thermoplastic elastomer resin
The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a...
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7153622 |
Electrostatic charge image developing toner, producing method therefor, image forming method and image forming apparatus utilizing the toner, construct and method for making the construct
A construct that comprises a base material and a polyhydroxyalkanoate, wherein at least a part of the base material is coated with the polyhydroxyalkanoate, and the polyhydroxyalkanoate comprises a...
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7115686 |
Water-dilutable polyester resins
A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000...
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7109166 |
Sustained release formulation of a peptide
This invention is directed to a sustained release composition comprised of Compound (A) having the formula
or a pharmaceutically acceptable salt thereof, and a copolymer comprised of...
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7094840 |
Compositions comprising low molecular weight polyhydroxyalkanoates and methods employing same
Polyhydroxyalkanoate compositions including hot melt adhesive compositions, biodegradable wax compositions, and protective coating compositions are provided and include a low molecular weight...
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7087313 |
Biaxially stretched polylactic acid multilayer film and the use thereof
Disclosed is a biaxially stretched polylactic acid multilayer film and the use thereof as packaging film. The gist of the biaxially stretched polylactic acid multilayer film resides in the...
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7087247 |
Polyesters, method for producing same, and depot medicaments produced from these polyesters
The invention relates to novel absorbable polyesters, produced by ring-opening polymerisation of hydroxycarboxylic acids in the presence of a polyol containing an electrolyte, in an extruder. In...
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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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7034102 |
Polylactic acid resin composition and molded article thereof, and process of producing the molded article
A polylactic acid resin composition comprising 100 parts by weight of a polylactic acid, (A) 0 to 10 parts by weight of a phenol antioxidant, and (B) 0.01 to 10 parts by weight of at least one...
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7030263 |
Method of preparing a carbamate- or urea-functional compound
A method of preparing a carbamate or urea-functional compound is described comprising the step of reacting a lactone or hydroxy carboxylic acid with a compound (A) comprising a carbamate or urea...
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7026413 |
Biopolymers and biopolymer blends, and method for producing same
Biopolymers and biopolymer blends, including block copolymers, prepared via enzyme-mediated catalysis preferably in a microorganism host in which the reaction conditions are selected to produce...
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7022778 |
High solid coating compositions
The invention relates to coating compositions comprising: A) at least one low molecular weight reactive compound with a molecular weight (Mn) of 300–1,500 g/mol, preferably of 300–1,200 g/mol,...
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7012106 |
Reinforced implantable medical devices
The present invention is directed to reinforced, biocompatible, biodegradable compositions suitable for use in implantable medical devices and medical devices made at least in part from such...
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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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7005473 |
Polymeric pigment dispersant utilized as a grind resin for pigments in solventborne pigment dispersions and method of preparing the same
The present invention is directed to a polyester polycarbamate polymeric pigment dispersant to be used as a grind resin to incorporate pigment into pigment dispersions for coating compositions. The...
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7001969 |
Methods of making intermediates from polyhydroxyalkanoates
Methods of forming intermediates from PHAs are disclosed.
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6911500 |
Thermosetting elastomer composition based on modified polycyanurate with improved thermal resistance
The invention concerns a thermosetting elastomer composition based on modified polycyanurate with improved thermal resistance obtainable by a polymerization method in the presence of a catalyst (D)...
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6884432 |
Blend, cross-linkable poly(propylene fumarate) for immobilization and controlled drug delivery
Microspheres for controlled release of a bioactive agent are disclosed, and in particular, blend, cross-linkable poly(propylene fumarate) for immobilization and controlled drug delivery. The...
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6878758 |
Polyhydroxyalkanoate compositions having controlled degradation rates
Biocompatible polyhydroxyalkanoate compositions with controlled degradation rates have been developed. In one embodiment, the polyhydroxyalkanoates contain additives to alter the degradation rates....
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6867181 |
Ionic molecular conjugates of biodegradable polyesters and bioactive polypeptides
A method of spherifying a sustained release ionic conjugate which contains a free carboxyl group-containing polymer and a free amino group-containing drug which are ionically bonded to each other.
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6866860 |
Cationic alkyd polyesters for medical applications
The present invention is directed to medical devices or pharmaceutical composition, each containing a synthetic, biodegradable, biocompatible polymer that is the reaction product of a polybasic...
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6858367 |
Binder resin containing novel polyhydroxyalkanoate, toner containing the binder resin, and image-forming method and image-forming apparatus which make use of the toner
A binder resin which forms a resin powdery product such as a toner for developing electrostatic latent images. The binder resin comprises a biodegradable resin comprising a polyhydroxyalkanoate...
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6841597 |
Ternary mixture of biodegradable polyesters and products obtained therefrom
The invention relates to a mixture of biodegradable polyesters comprising: (A) a polyhydroxy acid of the poly-ε-caprolactone type and its copolymers, (B) aliphatic polyester, and (C) a polymer of...
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