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8173765 |
Polymers, uses and methods of manufacture thereof
A polymer having a number average molecular weight (Mn) of about 10 000 g/mol comprising a monomeric rigid moiety R and a monomeric flexible moiety F, wherein R comprises a main-chain polycyclic...
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8158745 |
Polycarbonates having rearrangement structures, cyclic and linear oligomers and also flow behavior
The present invention relates to compositions having improved rheological properties which are based on polycarbonate having rearrangement structures and cyclic and linear oligomers and also...
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8129495 |
Coating compositions for containers and methods of coating
This invention provides a coating composition for use on a food-contact surface of a container (e.g., a food or beverage can) that includes a polymer having one or more segments of Formula I:...
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8114954 |
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...
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8110650 |
Methods for making molding resins
Methods of making unsaturated polyester compositions are provided and include reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures...
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8084514 |
Materials leading to improved dental composites and dental composites made therefrom
This invention relates to composite materials for restorative dentistry. More particularly, it relates to new components for dental composites, which impart an attractive combination of good...
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8052894 |
Salicylate substituted conjugated polymers and devices
A compound having a structural unit of Formula: (I). A polymer having a structural unit of Formula: (II). A conjugated polymer having one or more side groups of the following Formula: (III)....
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7985826 |
Molding resins using renewable resource component
Unsaturated polyester compositions are disclosed that are obtainable by reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures...
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7863405 |
Removal of residual acetaldehyde from polyester polymer particles
In one embodiment, there is provided a process comprising introducing polyester polymer particles containing residual acetaldehyde into a vessel at a temperature within a range of 130° C. to 195° C...
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7842778 |
Polyester process using a pipe reactor
The invention is directed to polyester processes where the esterification process at utilizes a vapor removing device, wherein the vapor removing device is substantially horizontally oriented,...
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7816014 |
Liquid crystalline polyester and film using the same
The present invention provides a liquid crystalline polyester comprising (a) a repeating unit derived from aromatic hydroxycarboxylic acid, (b) a repeating unit derived from aromatic dicarboxylic...
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RE41136 |
Process for preparing 2,6-dialkylnaphthalene
The present invention relates to a process of preparing dialkylnaphthylenes and polyalkylenenaphthyleneates dialkylnaphthalenes and polyalkylenenaphthalates.
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7528219 |
Method for incorporating nitrogen containing methine light absorbers in PET and compositions thereof
The present invention is a method for efficiently incorporating a nitrogen containing methine light absorber into a polyester resin. The method includes forming a reaction mixture comprising...
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7514526 |
Process for preparing a stabilized polyester
The present invention discloses a process for the preparation of a stabilized polyester that is low in the generation of aldehydes which comprises reacting one or more diacids with one or more...
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7452927 |
Aliphatic-aromatic polyesters, and articles made therefrom
Sulfonated aliphatic-aromatic polyester compositions having improved thermal properties, and articles such as films, coatings and laminates, produced from the sulfonated aliphatic-aromatic...
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7381787 |
Polytrimethylene terephthalate having a low level of acrolein and a process for producing the same
The present invention provides a process of reducing acrolein by product from polytrimethylene terephthalate using selected phosphorus compounds to contact the polytrimethylene terephthalate or...
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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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7358322 |
High IV melt phase polyester polymer catalyzed with antimony containing compounds
A melt phase process for making a polyester polymer melt phase product by adding an antimony containing catalyst to the melt phase, polycondensing the melt containing said catalyst in the melt...
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7332562 |
Biodegradable linear random copolyester and process for preparing it and use of the same
The present invention relates to a biodegradable copolyester of high molecular weight and narrow molecular weight distribution. The copolyester has a Mw of 100,000-600,000 g/mol, and a molecular...
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7235623 |
Polyester compositions for calendering
Polyester compositions that provide a higher throughput in calendering processes may be prepared from a polyester having crystallization half time of at least 5 minutes, an inherent viscosity of...
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7217782 |
Cooling of pellets from pet solid stating reactor with water
Energy savings are realized during the commercial production of polyethylene terephthalate by partially cooling polyethylene terephthalate pellets exiting a solid stating reactor by contact with...
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7211634 |
Process for the preparation of polyesters containing 1,4-cyclohexanedimethanol
Disclosed is a process for the preparation of high molecular weight polyesters by reacting one or more dicarboxylic acids directly with 1,4-cyclohexanedimethanol and, optionally, one or more diols....
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7192538 |
Antistatic composition
An antistatic composition containing various types of polymers such as a polyamide, an aliphatic polyester, an elastomer thereof and a polyurethane elastomer, and a metal salt in specific amounts,...
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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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7189441 |
Low intrinsic viscosity and low acetaldehyde content polyester, hollow preforms and containers obtained from said polymer
The invention concerns polyester resins, more particularly polyethyleneterephthalate resins used for making hollow containers, such as bottles for packaging liquid substances, in particular aerated...
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7173100 |
Receiving-layer-forming resin for use in thermal-transfer image-receiving sheet and thermal-transfer image-receiving sheet using such a resin
The present invention relates to a receiving-layer-forming polyester resin for use in a thermal-transfer image-receiving sheet, comprising: not less than 70 mol % of isophthalic acid and not more...
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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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7144614 |
Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester
This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of...
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7141627 |
Epoxy resin composition
An epoxy resin cured article has a high glass transition temperature and low dissipation factor. An epoxy resin composition from which the cured article can be having excellent solubility in...
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7138481 |
Process for producing polyester resin
A polyester resin prepared by polycondensing a dicarboxylic acid component containing terephthalic acid or derivative thereof with a diol component containing ethylene glycol through esterification...
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7129301 |
Method for preparing a biodegradable copolyester
A method for preparing a biodegradable copolyester includes: (a) optionally preparing an aromatic prepolymer by reacting a first aromatic dicarboxylic compound with a first aliphatic glycol; (b)...
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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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7052764 |
Shaped articles comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate with improved stability
A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate having improved stability in the form of less change of Tg and...
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RE38928 |
Biaxially stretched polyester film for forming container and method of producing the film
A biaxially stretched polyester film for forming a container, characterized by being formed of a polyester substantially consisting of an ethylene terephthalate unit and an ethylene naphthalate...
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6979492 |
Thermoplastic elastomer comprising poly(trimethylene-ethylene ether) soft segment and polyamide hard segment
A poly(trimethylene-ethylene ether) amide comprises a soft segment from poly(trimethylene-ethylene ether) glycol and a polyamide hard segment, preferably joined by ester linkages. The...
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6979719 |
Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a...
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6916547 |
Multi-functional unsaturated polyester polyols
Novel multifunctional unsaturated polyester polyols, UV-curable top coat formulations including these polyols, and a one-step process for preparing these polyols, are disclosed. Surface coverings...
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6914101 |
Polyester block copolymer composition
The present invention relates to a polyester block copolymer composition which is obtained by reacting 0.5 to 5.0 parts by weight of an epoxy compound (C) having two or more functionalities with...
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6913806 |
Copolyester composition for manufacturing large volume polyester bottle
A copolyester composition which includes polyethylene terephthalate (PET) is used to manufacture bottle embryos having weight greater than 600 grams and thickness greater than 7.0 millimeters. The...
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6905765 |
Polyether ester elastomers comprising poly(trimethylene-ethylene ether) ester soft segment and alkylene ester hard segment
A polyether ester comprises poly(trimethylene-ethylene ether) ester soft segment and alkylene ester hard segment. Preferably, the polyether ester is a thermoplastic elastomer in which the hard...
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6906116 |
Unsaturated polyester compounds, resins curable with actinic energy ray, processes for the production thereof, and curable compositions
An unsaturated polyester compound having an ethylenically unsatureated group in its terminal and hydroxymethyl group in its side chain is obtained by the reaction of (a) a compound containing at...
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6881785 |
Dispersions of amorphous unsaturated polyester resins based on particular Dicidol isomers
An aqueous dispersion based on an amorphous unsaturated polyester resin obtained by polycondensing a mixture of Dicidol isomers and one or more saturated and/or unsaturated dicarboxylic acids.
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6852388 |
Biaxially oriented film with better surface quality based on crystallizable polyesters and process for producing the film
The invention relates to a single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation....
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6822054 |
Polytrimethylene ether esters
A random polytrimethylene ether ester prepared by polycondensation of 1,3-propanediol reactant and about 10 to about 0.1 mole % of aliphatic or aromatic diacid or diester, as well as its...
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6818730 |
Process to produce polyesters which incorporate isosorbide
The present invention provides a process to produce isosorbide-containing polyesters. The process allows for higher isosorbide incorporation than previously found while maintaining high polymeric...
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6818293 |
Stabilized polyester fibers and films
Disclosed are fibers and films prepared from polyesters of a dicarboxylic acid, preferably terephthalic acid, and a diol selected from 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, or...
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6777099 |
Stabilized film based on titanium-catalyzed polyesters
Polyester films which comprise a stabilizer for inhibiting oxidative degradation, at least some of which has been covalently incorporated into the polymer chain of the polyester through...
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6774203 |
Method for producing liquid crystalline polyester
The present invention provides a method for producing a liquid crystalline polyester which is produced from an aromatic carboxylic acid, an aromatic hydroxycarboxylic acid, an aromatic diol and/or...
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6746779 |
Sulfonated aliphatic-aromatic copolyesters
A copolyester having an inherent viscosity of equal to or greater than about 0.3 formed from about 20 to about 60 mole percent based on the amount of aromatic dicarboxylic acid of one or more of...
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6740377 |
Polyester having improved crystallization behavior and extrusion blow molded articles made therefrom
A PCT copolyester composition having at least about 70 mole % terephthalic acid and at least about 70 mole % 1,4-cyclohexanedimethanol and an inherent viscosity of greater than about 0.9 dL/g is...
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