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Class 528/298 - Fused- or bridged-ring-containing reactant other than solely as cyclic acid anhydride group


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein at least one reactant contains a
No. of patents: 539
Last issue date: 05/08/2012


1                      
NumberTitleIssue Date
8173765Polymers, 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 core and F has a main chain comprising a number of atoms sufficient for...
05/08/2012
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
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
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
7288586Polyester based cobalt concentrates for oxygen scavenging compositions
A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates m...
10/30/2007
7285322Multilayer, transparent film made from polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) for producing packaging composites with UV protection
The invention relates to an at least two-layer polyester film with a total thickness of from 5 to 200 μm which comprises, alongside polyethylene terephthalate, from 2 to 20% by weight—based on the weight of the entire film—of polyethylene naphthalate (PEN), whe...
10/23/2007
7285587Flame retardant polyester compositions for calendering
Flame retardant polyester compositions suitable for calendering may be prepared from polyesters having crystallization half time of at least 5 minutes, a plasticizer, a phosphorus-containing flame retardant miscible with the plasticized polyester, and an additive ef...
10/23/2007
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
7235623Polyester 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 about 0.55 to about 0.75 dL/g, a branching monomer, and a release addit...
06/26/2007
7217782Cooling 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 water, and using the residual heat stored in the pellets to vaporize as...
05/15/2007
7211634Process 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. The process uses an overall diol to dicarboxylic acid molar ratio of...
05/01/2007
7205379Process 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 diols in an esterification process, and/or one or more diesters with one ...
04/17/2007
7192538Antistatic 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, and preferably, an antistatic composition in which an additive compon...
03/20/2007
7193029Sulfonated 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 invention further provides shaped articles, preferably in the shape of films,...
03/20/2007
7189441Low 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 beverages, natural or mineral waters. The invention concerns a polye...
03/13/2007
7173100Receiving-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 than 30 mol % of terephthalic acid as acid components; an...
02/06/2007
7157525Thermoplastic 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 stabilizer for hydrolysis to a thermoplastic elastomer resin produced t...
01/02/2007
7144614Polyester 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 this invention is a polyester polymerization catalyst comprising an al...
12/05/2006
7141627Epoxy 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 solvents is used to produce the cured articles. A polyester as a curing age...
11/28/2006
7138481Process 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 or transesterification, thereby producing a melt polymerization poly...
11/21/2006
7132136Stacked microvoided light diffuser
The invention relates to a light diffuser comprising a polymeric film wherein the film comprises a plurality of layers having void geometry in which the x/y/z size or frequency varies by at least 28% between at least two layers. ...
11/07/2006
7129301Method 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) reacting the aromatic prepolymer with a second aromatic dicarboxylic co...
10/31/2006
7122241Biaxially oriented polyester film and production process therefor
A biaxially oriented polyester film for a high-density magnetic recording medium, particularly a high-density magnetic recoding medium of linear recording system, which has high strength in longitudinal and transverse directions, excellent dimensional stability in a...
10/17/2006
7115686Water-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 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, mo...
10/03/2006
7101627Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronics 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...
09/05/2006
RE39222Process for preparing 2,6-dialkylnaphthalene
A process for producing 2,6-dialkylnaphthalene from a hydrocarbon feedstock that contains at least one component selected from the group consisting of dialkylnaphthalene isomers, monoalkylnaphthalene isomers, polyalkylnaphthalenes, and naphthalene, is provided that ...
08/01/2006
7057005Process for preparing branched polycarbonate
The present invention is a process for producing branched polycarbonate providing for optimum utilization of the branching agent. It was surprisingly found that adding at least a portion of the coupling catalyst to the polymerization at a point during the oligomeriz...
06/06/2006
7052764Shaped 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 reduced shrinkage upon storage at elevated temperature is disclosed....
05/30/2006
7022772Optical film comprising polyarylates containing bis-(hydroxyphenyl)-fluorene-ortho-disubstituted bisphenols
The present invention refers to a polymeric optical film the polymer of the polymeric optical film consisting essentially of one or more polyarylates having repeating units represented by the general structure: wherein ...
04/04/2006
RE38928Biaxially 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 unit, the refractive index in the direction of thickness of the film bei...
01/03/2006
6979492Thermoplastic 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 poly(trimethylene-ethylene ether) ester amides in accordance with the invention ar...
12/27/2005
6979719Coating 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 process for curing the present coating composition. Further, a process for ...
12/27/2005
6977282Preparation of dicyclopentadiene-containing unsaturated polyesters
A process for making dicyclopentadiene (DCPD)-containing polyesters is disclosed. The process comprises reacting 2-methyl-1,3-propanediol with maleic anhydride to form an acid terminated prepolymer and then reacting the prepolymer with a low grade DCPD to form DCPD-...
12/20/2005
6916547Multi-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 and surface covering components including these top coat formulations ...
07/12/2005
6913806Copolyester 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 copolyester composition of this invention is used to manufacture cont...
07/05/2005
6914101Polyester 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 100 parts by weight of a polyester block copolymer (P) having an acid v...
07/05/2005
6905765Polyether 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 segment comprises C2 to C12 alkylene ester. The com...
06/14/2005
6906116Unsaturated 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 least two oxetane rings in its molecule with (b) a compound containing ...
06/14/2005
6881785Dispersions 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. ...
04/19/2005
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