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Class 528/308 - Aryl-containing carboxylic acid or derivative of an aryl-containing dicarboxylic acid


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein at least one reactant is an aryl-containing
No. of patents: 1025
Last issue date: 10/18/2011


1                      
NumberTitleIssue Date
8039578Polyester composition with modifier hydroxyl compound
A process for producing non-solid-stated polyester polymer particles having one or more properties similar to polyester polymer particles that have undergone solid-state processing. In one embodiment, the process comprises (a) forming polyester polymer particles fro...
10/18/2011
8017717Method of producing polyesters
Polyesters such as polyethylene, polypropylene and polybutylene terephthalate are made from melts of precondensates of polyesters by first conducting vapors comprising precondensate components distributed in the form of an aerosol through a polycondensation reactor ...
09/13/2011
7989577Production of non-solid-stated polyester particles having solid-stated properties
A process for producing non-solid-stated polyester polymer particles having one or more properties similar to polyester polymer particles that have undergone solid-state processing. ...
08/02/2011
7514527Method and apparatus for crystallizing polymer particles
The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa...
04/07/2009
7442427Coextruded, 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 heatsealable and peelable top layer (A) consisting of a) 80-98% b...
10/28/2008
7439317Amorphous polyester chip and method for production thereof, and method for storage of amorphous polyester chip
An amorphous polyester chip having superior processing ability is characterized by a moisture content of not more than 300 ppm and a fine particle content of not more than 500 ppm. A preferred embodiment is a copolymerized polyester chip comprising a main repeating ...
10/21/2008
7431893Process and apparatus for continuous polycondensation
An apparatus for continuously producing polyester comprises three single reactors, i.e. a single esterification reactor (first reactor), a single initial polymerization reactor (second reactor) and a single final polymerization reactor (third reactor or final polyme...
10/07/2008
7410686Protective film for glass
A glass protecting film including at least 5 or more layers, of which at least one layer is the layer which comprises polyester having 1,4-cyclohexane dimethanol is one of the components, and a glass protecting including a multi-layer structure which comprises at le...
08/12/2008
7399518Polyester 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 associated with boiling or retort treatment, which require tenacity, pinho...
07/15/2008
7396578Adhesion-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) includes a) from 60 to 99% by weight of polyester and ...
07/08/2008
7393591High-reflectivity polyester coating
A high reflectivity coated substrate and coating composition employing a binder that includes a cycloaliphatic group and contains a polyester resin having a number average molecular weight from about 1,000 to 40,000. The binder contains less than 40 weight percent a...
07/01/2008
7384690Biaxially 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 strength in accordance with the reduction in thickness of a base film...
06/10/2008
7381787Polytrimethylene 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 reactants in the process of producing polytrimethylene terephthalate. Th...
06/03/2008
7381472Durable polyester coating
The present invention provides a coating composition, and coated substrates and articles. The coating composition includes a binder containing a polyester resin that is formed using at least one aromatic, dicarboxylic acid and at least one asymmetric diol. The prese...
06/03/2008
7375154Polyester/polyamide blend having improved flavor retaining property and clarity
This invention relates to a polyester/polyamide blend having an excellent gas barrier property. More particularly, the present invention relates to combinations of a polyethylene terephthalate polymer and a polyamide polymer having an excellent gas barrier property ...
05/20/2008
7371455Laminates 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 below and consisting of 2,6-naphthalene dicarboxylic acid or its lower a...
05/13/2008
7368522High 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 phase until the It.V. of the melt reaches at least 0.75 dL/g. Polyester p...
05/06/2008
7368165Process for the production of coated polymeric film
A heat-sealable polymeric film includes a substrate layer of polymeric material having on a surface thereof a heat-sealable coating layer. The layer includes a copolyester and is less than 8 μm in thickness. The copolyester consists essentially of repeat units of o...
05/06/2008
7364786Biaxially oriented polyester film
The biaxially oriented polyester film of the present invention contains a polyester having a primary melting point of 245 to 265° C. as the main component and exhibits a drop bag strength index at 0° C. of at least 2.0 and a strength at break in the film longitudi...
04/29/2008
7358325Sulfonated 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 sulfonated aromatic copolyesters include films, coatings and laminates. Some ...
04/15/2008
7358322High 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 phase until the It.V. of the melt reaches at least 0.75 dL/g. Polyester p...
04/15/2008
7358323Water-soluble flame-retardant polyester resin, resin composition containing the resin, and fiber product treated with the resin composition
A water-soluble, flame retardant polyester resin is obtained by a condensation reaction or a polycondensation reaction of a dicarboxylic-acid component, a glycol component, a water-solubility imparting component and a reactive phosphorus-containing compound such tha...
04/15/2008
7344765Heat-shrinkable polyester film and heat-shrinkable label
A heat-shrinkable polyester film having a multi-layer structure of at least two layers, among which at least one layer is a layer containing a PET bottle-recycled material, wherein a heat shrinkage percentage in a maximum shrinkage direction of a 10 cm square sample...
03/18/2008
7344657Aromatic liquid-crystalline polyester composition and film of the same
An aromatic liquid-crystalline polyester composition is provided, which comprises at least one compound selected from an aliphatic carboxylate aryl ester and an aromatic carboxylic anhydride; an aromatic liquid-crystalline polyester; and a solvent containing at leas...
03/18/2008
7341792Biaxially oriented saturated polyester film, method of making the same, laminate of biaxially oriented saturated polyester film and method of making the same
A biaxially oriented saturated polyester film made by a biaxial orientation method, includes a heat-seal side formed in at least one of two sides of the film, the heat-seal side being made by applying a low-temperature plasma treatment to a film surface so that the ...
03/11/2008
7335719Polyester based on poly(trimethylene terephthalate)
A polyester based on poly(trimethylene terephthalate) consisting essentially of trimethylene terephthalate repeating units, comprising at least one kind of compound selected from the group consisting of alkali metal compounds, alkaline earth metal compounds and mang...
02/26/2008
7332562Biodegradable 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 weight distribution of 1.2-3. The process for synthesizing t...
02/19/2008
7329719Ester-terminated poly(ester-amide) in personal care products
A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein (a) at least 50 equivalent percent of the dibasic acid comprises polymerized fatty acid; (b) at least 50 equivalent percent of the diamine compri...
02/12/2008
7329453White, 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) includes a) from 80 ...
02/12/2008
7320829Fluorinated 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 an oxetane monomer having pendant fluorine groups that are linked to ...
01/22/2008
7306835Thermo-shrinkable polyester film
The present invention relates to a thermo-shrinkable polyester film with a superior thermal shrinkage, which has an orientation angle of a molecular chain in a range of from 0° to about ±10° relative to a main shrinkage direction, and a molecular orientation rati...
12/11/2007
7300703Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronic devices
The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins a...
11/27/2007
7282555Method 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 combining a diol component, a diacid component selected from the group cons...
10/16/2007
7253251Water soluble thermosetting polyester resin composition and method of preparing the same
A water soluble thermosetting polyester resin composition for undercoating a PCM steel sheet is prepared from about 100 parts by weight of thermosetting polyester resin obtained by condensing polyethylene terephthalate using glycol and polybasic acid, about 5-20 par...
08/07/2007
7253249Ester-terminated poly(ester-amide) in personal care products
A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein (a) at least 50 equivalent percent of the dibasic acid comprises polymerized fatty acid; (b) at least 50 equivalent percent of the diamine compri...
08/07/2007
7250486Method and apparatus for crystallizing polymer particles
The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa...
07/31/2007
7250485Polyester resin composition for toner and toner
A toner resin composition comprising a linear polyester resin (A) containing a C3 to C10 aliphatic diol component and a linear polyester resin (B) containing a C3 to C10 aliphatic diol component which differs from the line...
07/31/2007
7250484Method for producing enhanced solid state
A method for enhancing solid state polymerization of polyethylene terephthalate is disclosed in which at least one monomeric unit of diacid and/or dimethyl ester comprising at least one pendant chemical side group is copolymerized with a diol and a diacid or a dimet...
07/31/2007
7244506High-reflectivity polyester coating
A high reflectivity coated substrate and coating composition employing a binder containing a polyester resin that includes a cycloaliphatic group and has a number average molecular weight from about 1,000 to 40,000. The binder contains less than 40 weight percent ar...
07/17/2007
7241855Method for the manufacture of polyesters
A method is described for the manufacture of polyesters of aromatic dicarboxylic acids with aliphatic and/or cycloaliphatic dials, in which an aromatic dicarboxylic acid in the presence of a monocarboxylic acid or a mixture of a monocarboxylic acid present in a satu...
07/10/2007
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