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9029496 Liquid crystal polyester amide resin  
Provided is a liquid crystal polyester amide resin which has a good hue. Specific monomers are polymerized using a specific catalyst. The specific monomers are composed of: at least one kind of a...
9023979 Precise control of molecular weight and chain shape control in carbon dioxide/epoxide alternating copolymerization and preparation of low molecular weight poly(alkylene carbonate) thereby  
This invention relates to a method of preparing poly(alkylene carbonate) that has a molecular weight and polymer chain structure precisely controlled by adding a chain transfer agent composed of a...
9018318 Catalysts for the preparation of carbonates from epoxides and CO2  
A macrocycle based on β-diketimines, a process for preparing the inventive macrocycle, an uncharged macrocyclic dimetallic complex based on the inventive macrocycle, and a process for preparing...
9012598 Poly(ethyleneoxide) functionalization through alkylation  
A new and efficient method of functionalizing high molecular weight polymers through alkylation using a metal amide base is described. This novel procedure can also be used to synthesize...
9012675 Aliphatic polycarbonate quench method  
The present disclosure is directed to, in part, an aliphatic polycarbonate polymerization reaction initiated by combining an epoxide with carbon dioxide in the presence of a catalytic transition...
9006347 Method of synthesising polycarbonates in the presence of a bimetallic catalyst and a chain transfer agent  
The invention provides a process for the synthesis of a polycarbonate, the process comprising the step of reacting carbon dioxide with at least one epoxide in the presence of a catalyst of formula...
8987411 Catalytic system for CO2/epoxide copolymerization  
The present invention related to a method of manufacturing a polycarbonate including the process of copolymerizing epoxide compound and CO2 using cobalt(III) or chromium(III), where the ligands...
8981043 Catalytic system for CO2/epoxide copolymerization  
The present invention related to a method of manufacturing a polycarbonate including the process of copolymerizing epoxide compound and CO2 using cobalt(III) or chromium(III), where the ligands...
8969510 Fluorinated supramolecular polymers  
Fluorinated supramolecular polymers containing at least 5% by weight of covalently bonded fluorine atoms, based on total weight of the polymers are disclosed. The polymers comprise a fluorinated...
8956989 Catalysts and methods for polymer synthesis  
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal...
8951930 Catalysts and methods for polymer synthesis  
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal...
8946109 Catalysts and methods for polymer synthesis  
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal...
8946377 Highly functional polyetherols and the production and use thereof  
The present invention relates to a process for preparing high-functionality polyetherols by reacting at least one trifunctional or higher-functionality alcohol and if appropriate further di-...
8912307 Flame-retarding carbon dioxide/epoxide copolymer and method for preparing the same  
There is provided a method for preparing a low-molecular weight poly(alkylene carbonate) of which the molecular weight and chain shape are precisely controlled, by introducing a phosphorous...
8912291 Oxazolidone ring containing adducts  
Embodiments include oxazolidone ring containing adducts obtainable by combining an aliphatic epoxy compound, an aromatic epoxy compound, and a diisocyanate. Embodiments further include a curable...
8883936 Curable composition  
Provided is a curable composition having excellent water vapor permeability, which enables to protect a building from rainwater or moisture in the air and release the water accumulated on the side...
8871898 Method for preparing carbon dioxide/epoxide copolymers containing ether linkages  
Provided is a method for preparing poly(alkylene carbonate) containing ether linkages, by the copolymerization of an epoxy compound and carbon dioxide, with a trivalent metal complex prepared from...
8835599 Segmented degradable polymers and conjugates made therefrom  
The present invention provides, among other things, segmented, degradable polymeric reagents suitable for reaction with biologically active agents to form conjugates, the polymeric reagents...
8829156 Process for producing polycarbonates and a coordination complex used therefor  
The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon...
8822634 Copolymer comprising anthracene and benzoselenadiazole, preparing method and uses thereof  
A copolymer comprising anthracene and benzoselenadiazole, preparing method and uses thereof are disclosed. The copolymer is represented by formula (I), wherein n is a natural number from 10 to...
8785592 Preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains  
Provided is preparation of poly(alkylene carbonate) through alternating copolymerization of carbon dioxide and epoxide. According to the disclosure, by introducing a diepoxide compound to...
8785591 Polycarbonate block copolymers  
The disclosure pertains to amphiphilic block copolymers comprising an aliphatic polycarbonate chain coupled to a hydrophilic polymer. Such amphiphilic polymers may have the formula A-L-B, where A-...
8772429 Biomaterial  
The present invention provides a triblock copolymer and a viscoelastic biostable foam comprising the same.
8748555 Structurally precise poly(propylene carbonate) compositions  
The present invention provides articles made from structurally precise poly(propylene carbonate) and blends thereof. Provided articles include articles manufactured from poly(propylene carbonate)...
8691919 Poly(ethylene oxide) functionalization  
A simple procedure is provided by which the hydroxyl termini of poly(ethylene oxide) can be appended with functional groups to a useful extent by reaction and precipitation. The polymer is...
8680211 Hybrid polyester-polyether polyols  
A process for preparing a hybrid polyester-polyether polyol comprises contacting a carboxyl group-containing component and an epoxide, optionally in the presence of one or more of a double metal...
8637634 Block and graft copolymers of poly(alkylene carbonate) and various polymers  
Provided is preparation of poly(alkylene carbonate) by alternating copolymerization of carbon dioxide and epoxide. To be specific, provided are a method for preparing block or graft copolymers of...
8633123 Catalysts and methods for polymer synthesis  
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal...
8629212 PHA compositions comprising PBS and PBSA and methods for their production  
Compositions of PHAs with PBS and/or PBSA are described and methods of making the same.
8629220 Hydrolysis-resistant polyamides  
Thermoplastic molding compositions comprising A) from 10 to 99.9% by weight of a thermoplastic polyamide,B) from 0.1 to 20% by weight of a terpolymer obtainable via copolymerization of (B1) from 1...
8623983 Terpolymer of electron-deficient olefins, olefins without electron-withdrawing substituents, and alkoxyvinylsilanes  
The application provides a terpolymer obtainable by copolymerizing (A) 1% to 70% by weight of at least one electron-deficient olefin, an example being an anhydride of a monoethylenically...
8609193 Poly(ethylene glycol) and poly(ethylene oxide) by initiated chemical vapor deposition  
A method for ionic polymerization of ethylene oxide. In the first step of the method, a gaseous monomer composition comprising ethylene oxide at a first flow rate is mixed with a gaseous ionic...
8598276 Polymers comprising units derived from ethylene and poly(alkoxide)  
A polymer comprises units derived from ethylene and poly(alkoxide) the polymer having at least 0.15 units of amyl groups per 1000 carbon atoms as determined by 13C Nuclear Magnetic Resonance (NMR).
8597630 Thermal-responsive polymer networks, compositions, and methods and applications related thereto  
The invention relates to materials comprising polymer network containing siloxanes or organic-based core structures, preferably the materials have thermal-responsive properties. In some...
8598309 Catalytic system of nitrate anions for CO2/epoxide copolymerization  
This invention relates to a Salen type ligand including three or more quaternary ammonium salts of nitrate anions, to a trivalent metal complex compound prepared from this ligand and a method of...
8546514 Continuous process for manufacturing aliphatic polycarbonates from carbon dioxide and epoxides  
Disclosed is a continuous process for manufacturing aliphatic polycarbonate by polymerizing carbon dioxide and one or more epoxide compound in the presence of catalyst, in which carbon dioxide,...
8530615 Process for producing polycarbonates and a coordination complex used therefor  
The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon...
8530616 Precise control of molecular weight and chain shape control in carbon dioxide/epoxide alternating copolymerization and preparation of low molecular weight poly(alkylene carbonate) thereby  
This invention relates to a method of preparing poly(alkylene carbonate) that has a molecular weight and polymer chain structure precisely controlled by adding a chain transfer agent composed of a...
8524856 PHA compositions comprising PBS and PBSA and methods for their production  
Compositions of PHAs with PBS and PBSA are described and methods of making the same.
8501904 Method for producing polyols  
A process for the preparation of a polyol which includes reacting an amino-group-containing starter compound with an alkylene oxide in the presence of a catalyst to form a polyol, wherein the...
8500807 Photochromic intraocular lens  
The invention relates to an intraocular lens comprising at least one pharmaceutically-acceptable photochromic polymer that enables all or part of the intraocular lens to change colour reversibly...
8492503 Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method  
Provided herein are polymeric α-hydroxy aldehyde or α-hydroxy ketone reagents which can be conjugated to amine-containing compounds to form stable conjugates in a single-step reaction. In selected...
8492505 Branched biodegradable polymers, a macromonomer, processes for the preparation of same, and their use  
The present invention relates to a process for the preparation of branched biodegradable polymers comprising of the steps of: (a) preparing a macromonomer by ring-opening polymerization of at...
8481788 Process for producing polyalkylene oxide  
The present invention aims to provide a method for producing a polyalkylene oxide, which is capable of improving reduction in reactivity of a double metal cyanide complex catalyst in the case that...
8450450 Polyether glycol manufacturing process  
The present invention relates to an improved process for manufacturing polyether and copolyether glycols by polymerization of a reaction mixture comprising at least one tetrahydrofuran or at least...
8445079 Optical film, image display device, diethynylfluorene, and polymer thereof  
An object of the present invention is to provide an optical film exhibiting a preferable wavelength dispersion and capable of being formed comparatively thinly. The present invention is an optical...
8431655 Curatives for epoxy compositions  
The invention provides epoxy and oxetane compositions including the novel acyloxy and N-acyl curing agents described herein. Use of invention curing agents result in cured adhesive compositions...
8309680 Segmented degradable polymers and conjugates made therefrom  
The present invention provides, among other things, segmented, degradable polymeric reagents suitable for reaction with biologically active agents to form conjugates, the polymeric reagents...
8309672 Soluble conjugated polymers  
Methods, compositions and articles of manufacture involving soluble conjugated polymers are provided. The conjugated polymers have a sufficient density of polar substituents to render them soluble...
8299154 Adhesive compositions for bonding composites  
The present invention relates to a non-thermosetting composition made by reacting epichlorohydrin and a primary amine, to the use of that composition for making thermosetting (curable) adhesives...