|
Match
|
Document |
Document Title |
|
|
7612161 |
Method for treating extremely small particles of plastic
A method for treating extremely small particles of plastic comprises providing a quantity of plastic particles having an average mean particle size ranging from about 0.0005 inch to about 0.05 inch...
|
|
|
7601765 |
UV-active binding agent
The present invention relates to processes for preparing actinic-radiation-curable and/or dual-cure poly(meth)acrylates by preparing a poly(meth)acrylate containing hydroxy-functional side chains...
|
|
|
7592413 |
Manufacture of aromatic polyester
Aromatic polyesters are made in a continuous process in an extruder or extruder-like apparatus by reacting at elevated temperatures dicarboxylic acids, aliphatic esters of aromatic diols, and...
|
|
|
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...
|
|
|
7579431 |
Method for treating extremely small particles of polyethylene terephthalate
A method for treating extremely small particles of recycled polyethylene terephthalate comprises providing a quantity of RPET particles having an average mean particle size ranging from about...
|
|
|
7579428 |
Process for preparation of polyesters without solid state polymerization
Polyesters prepared using germanium catalyst in the finishing stage at temperatures less than 285° C. exhibit low loss of Ge catalyst and excellent low acetaldehyde generating characteristics.
|
|
|
7579289 |
Water repellant curable aqueous compositions
According to the present invention, water repellant curable compositions comprise: (i) one or more polyacid; (ii) one or more polyol comprising at least two hydroxyl groups; (iii) one or more...
|
|
|
7576173 |
Single solvent polymer extraction methods
The present invention provides methods for isolating a PHA. The method comprises combining the PHA, a first solvent and a second solvent to form a combination, the first solvent and the second...
|
|
|
7576172 |
Method of preparing aliphatic polymer having ketone group in main chain thereof and method of preparing composition containing the same
Described are pacifiers comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic...
|
|
|
7560526 |
Polyol with high cyclopentane solubility
Methods and compositions for forming polyurethane foam. A method for manufacturing an aromatic polyester polyol comprises heating a glycol, a dicarboxylic acid or ester, functionality enhancing...
|
|
|
7557176 |
Polyhydroxyalkanoic acid having vinyl, ester, carboxyl or sulfonic acid group and producing method therefor
The invention is to provide a novel polyhydroxyalkanoate having a reactive function group within the molecule and a producing method therefor In a polyhydroxyalkanoate containing a unit having a...
|
|
|
7557175 |
Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers
Disclosed herein is a poly(carbonate-co-urea-co-ester) copolymer comprising incorporated urea compound, dihydroxy compound and diacid compound residues. Also disclosed herein is a...
|
|
|
7550555 |
Sintering ultrahigh molecular weight polyethylene
Ultrahigh molecular weight polyethylene compositions of highly beneficial sintering characteristics are disclosed and methods for making and processing same. Additionally, products comprising these...
|
|
|
7550552 |
Process for producing polybutylene terephthalate
Polybutylene terephthalate is produced by continuously subjecting terephthalic acid and 1,4-butanediol to an esterification reaction in the presence of a titanium compound catalyst using one-stage...
|
|
|
7541422 |
Enzyme-catalyzed process for the preparation of macrocyclic polyester oligomers
A process for the enzyme-catalyzed preparation of cyclic ester oligomers from dicarboxylic acids and/or dicarboxylic acid derivatives and diols, hydroxycarboxylic acids and/or hydroxycarboxylic...
|
|
|
7538179 |
Process for producing aliphatic polyester
Ring-opening polymerization of a cyclic ester is performed by using an alcohol and water positively as initiators or/and molecular weight-adjusting agents to control the initial properties and...
|
|
|
7534854 |
Apparatus and method for oxidation and stabilization of polymeric materials
An apparatus for treating polymeric materials comprises a treatment chamber adapted to maintain a selected atmosphere; a means for supporting the polymeric material within the chamber; and, a...
|
|
|
7531617 |
Continuous process for producing poly(trimethylene terephthalate)
This invention relates to a continuous process for production of poly(trimethylene terephthalate), wherein gaseous 1,3-propanediol by product resulting from the process is condensed in a condenser,...
|
|
|
7531615 |
Thermally stable polycarbonates, thermoplastic compositions thereof, and articles formed therefrom
A polycarbonate such as aliphatic/aromatic polycarbonate comprises repeating structural carbonate units of the formula (H-1):
in which R h is a radical having the formula (H-2):
wherein...
|
|
|
7528218 |
Polyester for toner
The present invention relates to a polyester for a toner, obtained by polycondensing an alcohol component and a carboxylic acid component containing an alkylsuccinic acid having 10 or more carbon...
|
|
|
7528217 |
Polymers and fibers formed therefrom
Sulfonated polyoxadiazole polymers containing groups selected from:
|
|
|
7528216 |
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...
|
|
|
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...
|
|
|
7524921 |
Continuous manufacture of poly(trimethylene terephthalate)
This invention relates to a continuous process for production of poly(trimethylene terephthalate), wherein gaseous 1,3-propanediol by-product resulting from the process is condensed in a condenser,...
|
|
|
7524920 |
Biaxially oriented copolyester film and laminates thereof
Disclosed is a biaxially-oriented polyester film produced from a polyester comprising: (1) diacid residues comprising between about 95 and about 100 mole percent of terephthalic acid residues; (2)...
|
|
|
7521523 |
Oxygen-scavenging polyester compositions useful in packaging
Oxygen-scavenging polyester compositions are disclosed that comprise one or more polyesters having incorporated therein residues of 3-hexenedioic acid and terephthalic acid. The compositions may...
|
|
|
7521522 |
Method and device to reduce the acetaldehyde content of polyester granulate
The invention relates to a method for producing a granulate with a low acetaldehyde content and improved processing properties from a high-viscosity polyester melt, wherein the polyester melt...
|
|
|
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...
|
|
|
7514524 |
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom
Disclosed herein is a method comprising reacting a phenolphthalein material and a primary hydrocarbyl amine in the presence of an acid catalyst to form a reaction mixture comprising...
|
|
|
7514521 |
Method for preparing a dialkyl carbonate, and its use in the preparation of diaryl carbonates and polycarbonates
Unexpected corrosion of downstream sections of a dialkyl carbonate manufacturing apparatus has been traced to alkyl chloroformate impurities, which slowly decompose to yield hydrochloric acid. An...
|
|
|
7511115 |
Method of preparing biodegradable polyester polymer material in the form of filament and sheet using compressed gas
Embodiments of the present invention may provide a method of preparing biodegradable polyester polymer materials both in a filament type and a sheet type using a compressed gas. The method of the...
|
|
|
7511081 |
Recycled method for a wasted polymer which is mixed polyester polyamide and reclaimed materials thereof
The present invention relates to a recycling method of a mixed waste of polyester and polyamide (hereinafter, referred to as “mixed waste”) in which polyesters including polyethylene...
|
|
|
7504477 |
Polyalkylene glycol acid additives
A new class of activated polyalkylene glycol acids and their active ester reagents for conjugation to biopharmaceuticals such as polypeptides, sugars, proteins and therapeutically active small...
|
|
|
7504473 |
Conductive polymeric compositions for lithium batteries
Novel chain polymers comprising weakly basic anionic moieties chemically bound into a polyether backbone at controllable anionic separations are presented. Preferred polymers comprise orthoborate...
|
|
|
7501464 |
Process for producing aliphatic polyester composition
For producing an aliphatic polyester resin composition containing a thermal stabilizer and a carboxyl group-capping agent, the aliphatic polyester resin is first mixed in a hot-melt state with the...
|
|
|
7498399 |
Method of preparing ester-substituted diaryl carbonates
An improved method for the preparation of ester-substituted diaryl carbonates prepared by reacting phosgene with recycle streams of ester-substituted phenols from reaction processes using a...
|
|
|
7498385 |
Polyester compositions, methods of manufacturing said compositions, and articles made therefrom
Crosslinked polymer compositions have backbones with first and second divalent saturated aliphatic moieties, a divalent saturated aliphatic secondary alcohol moiety, and a trivalent saturated...
|
|
|
7495067 |
Polyester process using a pipe reactor
The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes...
|
|
|
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...
|
|
|
7491408 |
Polymer, bioabsorbable material and film for preventing tissue fusion
A novel A 1 -B-A 2 polymer having a number average molecular weight of 10000 to 100000 is provided that has excellent bioabsorbability so as to disappear in a predetermined period of time even...
|
|
|
7473755 |
Aromatic polyester composition for making stretch blow molded containers
The present invention relates to an aromatic polyester composition for making stretch blow molded containers with improved strain hardening. The polyester composition according to the invention...
|
|
|
7465779 |
Polyhydroxyalkanoate having vinyl group, ester group, carboxyl group and sulfonic acid group, and production method thereof
A novel polyhydroxyalkanoate having a reactive functional group in a molecule, and a production method thereof, etc. are provided. By utilizing the vinyl group of polyhydroxyalkanoate which...
|
|
|
7459517 |
Polyhydroxyalkanoate, process for preparing the same, and resin composition containing the polyhydroxyalkanoate
A novel polyhydroxyalkanoate having a monomer unit represented by the formula (1), the unit having a carboxyl group substituting a ring structure at the end of side chain, obtainable by oxydizing...
|
|
|
7425432 |
Polyhydroxy alkanoate copolymer including within molecule unit having vinyl group or carboxyl group in side chain, and producing method therefor
The invention provides a PHA copolymer including at least a 3-hydroxy-ω-carboxyalkanoic acid represented by a formula (19) or (32) and simultaneously at least a unit represented by a formula (2)...
|
|
|
7411033 |
Vinyl ethers and compositions containing them
Disclosed are vinyl ethers and related compositions. The vinyl ethers are the conjugate addition reaction product of reactants comprising a vinyl ether group-containing acrylic ester and a...
|
|
|
7408016 |
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom
A composition comprising a polycarbonate, wherein the polycarbonate has a weight average molecular weight of greater than 15,000, comprises more than 15 mole percent structural units derived from a...
|
|
|
7405266 |
Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof
The invention provides a sterically hindered polymer that comprises a water-soluble and non-peptidic polymer backbone having at least one terminus covalently bonded to an alkanoic acid or alkanoic...
|
|
|
7402650 |
Process for preparing polyarylate having high thermo-resistance and high transparency
A process for preparing polyarylate wherein a bivalent phenol compound having the structure of Formula 1 and an aromatic dicarboxylic acid halogen compound react to prepare a polyarylate, and...
|
|
|
7396896 |
Poly(trimethylene terephthalate) composition and shaped articles prepared therefrom
Poly(trimethylene dicarboxylate) prepared by polycondensation of: (a) 1,3-propanediol; (b) aliphatic or aromatic diacid or diester; and (c) from about 0.01 to about 0.2 mole %, based on the total...
|
|
|
7393912 |
Polyhydroxyalkanoate containing amide group, sulfonic group, and sulfonate ester group, method for producing the same, and charge control agent, toner, image forming method, and image forming apparatus
A polyhydroxyalkanoate containing in a molecule at least one unit represented by the chemical formula (1). The polyhydroxyalkanoate is a biodegradable plastic with enhanced melt-processability and...
|