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7211642 |
Thermosetting aromatic dielectric material
A polymer comprises at least two types of monomer units selected from: (1) diethynyl benzene units, (2) triethynyl benzene units, and (3) ester units. After curing, the polymer may form a condensed...
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7205378 |
Lactone bearing absorbable polymers
The present invention pertains to biodegradable polymers comprising a non-polymerizable lactone, biodegradable compositions comprising the polymer and a therapeutic agent, the use of the...
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7199210 |
Process for the preparation of polyethylene terephthalate (PET)
A process for the preparation of polyethylene terephthalate by making use of non antimony catalysts is described. The Ti complex catalyst is pre-dispersed in the polymer matrix selected from PET,...
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7198799 |
Bioresorbable nerve guide rail
A biologically resorbable nerve guide rail with a microporous guide tube of polymers of hydroxycarboxylic acids, where the porosity allows a metabolism through the tube wall, but prevents the...
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7196160 |
Catalysts and methods for polymerizing macrocyclic oligomers
Cyclic oligomers containing ester linkages are polymerized in the presence of a catalyst having at least one oxygen atom bonded to two metal atoms. At least one of the metal atoms is a tin atom,...
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7196157 |
Biodegradable saturated/unsaturated thermoplastic polyesters
Biodegradable aliphatic thermoplastic copolyesters of the saturated-unsaturated type, utilizable for the production of several types of articles such as films, sheets, nets, expanded molded...
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7196158 |
Knitted/woven fabric of polyester fiber
A knitted/woven fabric of polyester fibers is produced from a polyester polymer obtained by condensation-polymerizing an aromatic dicarboxylate in the presence of a catalyst which comprises a...
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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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7189797 |
Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product
A poly(ethylene aromatic dicarboxylate ester) resin usable for the production of fibers, films and bottle-formed articles, is produced by polycondensing a diester of an aromatic dicarboxylic acid...
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7189794 |
Non-pilling polyester fibres
The invention relates to a method for producing non-pilling polyester fibres, whereby polyethylene terephthalate is produced in the presence of organosilicon compounds of tetrahydrofurfuryl...
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7186789 |
Bioabsorbable, biobeneficial polyester polymers for use in drug eluting stent coatings
This disclosure covers polymers, some of which are useful in medical device applications. Some of these medical devices are implantable within a mammalian body, such as in a body lumen. The...
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7183001 |
Transparent thermoplastic composition comprising hollow glass beads
Thermoplastic composition comprising a (meth)acrylic (co)polymer and particles of hollow glass spheres—or a mixture of particles of hollow glass spheres and particles of a mineral and/or organic...
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7179882 |
Low viscosity polymer polyols
The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical...
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7179881 |
Process for heating PET pellet feed to a solid stating process by heat exchange with hot solid stated pellets
Considerable energy savings may be realized by recovering heat from hot PET pellets exiting a solid state polymerization reactor, and using this heat to heat cool pellets entering the crystallizer...
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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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7173102 |
Facially amphiphilic polymers as anti-infective agents
Facially amphiphilic polymers and articles made therefrom having biocidal surfaces are disclosed. The polymers can inhibit the growth of microorganisms in contact with the surface or in areas...
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7173101 |
High toluene diisocyanate-stable blue colorants
An inventive blue colorant comprising a chromophore having at least one hydroxy group-terminated polyester chain attached, through a suitable alkylamino linking group (or groups), to the...
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7169882 |
Molding resin and process for production thereof
A molding resin formed from a block copolymer comprising polyhydroxycarboxylic acid structural units (I), and polyester structural units (II) derived from a dicarboxylic acid and a diol; wherein...
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7166690 |
Recycled method for a wasted polyester and reclaimed materials thereof
The present invention relates to a method for the recycling waste polyester resins and the reclaimed materials therefrom. The method for recycling waste polyester resins according to one embodiment...
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7166342 |
Thermoplastic resin film and process for producing the same
A heat-shrinkable resin film which has heat shrinkage in the maximum shrinkage direction of 20% or higher when a 10 cm×10 cm square sample cut out thereof is immersed in hot water at 85° C. for...
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7163977 |
Method to reduce the aldehyde content of polymers
Methods to decrease aldehyde content of a polymer are provided. An effective amount of an additive that contains a P—H functionality is incorporated into the polymer in the presence of an acidic...
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7160977 |
Polymer blends with improved notched impact strength
This invention relates to a blend of biodegradable polymers comprising:
(A) about 70% to about 80% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than...
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7157547 |
Ultraviolet blocking composition for protection of package or container contents
An ultraviolet absorption composition has been developed for the protection of packaging or container contents in the ultraviolet range of 290 nm to 390 nm, offering effective screening from all...
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7157139 |
Polymer manufacturing process
A process utilizing PET as a reactive constituent to manufacture other polymers containing the pre-condensed moieties by the rapid transesterification of the condensation polymer with a pre-made...
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7144973 |
Biaxially oriented, white flame-retardant polyester film
The biaxially oriented, white polyester film of the present invention having improved flame-retardancy, covering ability, flexibility and heat-resistance comprises a polyester resin having an...
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7144972 |
Copolyetherester compositions containing hydroxyalkanoic acids and shaped articles produced therefrom
The present invention provides certain aromatic copolyetheresters that include hydroxyalkanoic acid residues, and processes for making the copolyetheresters, and articles containing the...
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7144632 |
Aliphatic-aromatic polyetherester compositions, articles, films, coating and laminates and processes for producing same
Aliphatic-aromatic polyetherester compositions, articles made from the aliphatic-aromatic polyetherester compositions, and processes for producing the aliphatic-aromatic polyetherester compositions...
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7138480 |
3-Hydroxycarboxylic acid production and use in branched polymers
This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in...
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7135540 |
Polyhydroxyalkanoate copolymer including unit having bromo group in side chain and method for producing the same
The invention provides a polyhydroxyalkanoate having a bromo group in a unit and being thermally stable and capable of arbitrarily controlling physical properties, and a producing method thereof....
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7135541 |
Polyester process using a pipe reactor
There are disclosed polyester processes using a pipe reactor and corresponding apparatuses. In particular, there are disclosed processes and corresponding apparatuses including an esterification...
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7132383 |
Polymerization catalyst for polyester, polyester produced with the same, and process for producing polyester
A polymerization catalyst for polyester production which contains neither a germanium compound nor an antimony compound as a major component. It contains aluminum as the main metallic ingredient,...
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7132499 |
Polyester resin container with improved weatherability
A polyester resin container with improved weatherability as well as colorlessness and heat resistance, made of a polyester resin composition comprising (A) 100 parts by weight of a polyester resin...
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7129316 |
Process for the manufacture of polyester via hydrogenation treatment of recycled diol
An improved process for recycling unspent diol removed from a polyester manufacturing process wherein the diol is captured, hydrogenated, and recycled so that the final polyester product has...
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7129317 |
Slow-crystallizing polyester resins
The present invention relates to slow-crystallizing polyethylene terephthalate resins that possess a significantly higher heating crystallization exotherm peak temperature (T CH ) as compared with...
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7122617 |
Polybenzazole precursor film, polybenzazole film and method of producing the same
The first film of the present invention is a film produced by solidifying a polybenzazole precursor that has been oriented in a given direction by the application of a magnetic or electric field....
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7122616 |
Polyester composition and process for producing the same
The polyester composition giving formed articles, such as fibers or films, exhibiting improved color depth and clarity, when dyed, has characteristics comprising an intrinsic viscosity of not less...
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7115702 |
Binder resin for toner and toners
A binder resin for toner which is excellent in low-temperature fixing property and offset resistance as well as smear resistance, while responding to the demand of the market from the perspectives...
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7115320 |
Polyester film and gas-barrier polyester film
In order to provide a polyester film having superior impact resistance and flex pinhole resistance, and further exhibiting superior gas barrier properties after a metal or metal oxide is deposited...
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7115701 |
Method for the continuous production of high-molecular polyester and device for carrying out the method
The invention relates to a method for producing high-molecular polyester such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polynaphthalene terephthalate (PEN),...
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7112646 |
Process and device for manufacturing an aromatic alkylene polymer
The present invention relates to a process and a device for the continuous manufacture of a polymer of an aromatic alkylene monomer e.g. styrene comprising a bulk polymerisation of the monomer and...
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7112647 |
Fluorinated polymer
An object of the present invention is to provide a fluorinated polymer of adequate molecular weight with excellent transparency in a wavelength range from visible to near infrared, and to also...
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7108807 |
Methods for producing a dielectric, dielectric having self-generating pores, monomer for porous dielectrics, process for preparing poly-o-hydroxyamides, process for preparing polybenzoxazoles, and processes for producing an electronic component
Poly-o-hydroxyamides include binaphthyl substituents as repeating units. The poly-o-hydroxyamides can be cyclized to give the polybenzoxazole by heating. Pore formation occurs, so that a dielectric...
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7105260 |
Binder resin for toner and toner
A binder resin for a toner comprises a polyester component having a specific structure which is not soluble in tetrahydrofuran, and a polyester component having a specific branched structure which...
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7098293 |
Polyesteramide copolymer
A polyesteramide copolymer having a glass transition temperature (Tg) of less than or equal to 0° C., contains at least one hard segment containing at least one amide bond, and at least one soft...
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7097856 |
Dendrimeric support or carrier macromolecule
The present invention provides a family of dendrimers that are useful as supports, vectors, carriers or delivery vehicles for a variety of compounds in biomedical and technological applications. In...
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7098292 |
Molded or extruded articles comprising polyhydroxyalkanoate copolymer and an environmentally degradable thermoplastic polymer
Environmentally degradable molded or extruded articles comprising a blend of polyhydroxyalkanoate copolymer and an environmentally degradable thermoplastic polymer or copolymer are disclosed. Such...
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7094864 |
Process of continuously producing polyester polymer
The present invention uses a reactor that combines devices having a special portion structure to solve the difficulty of uniform blending due to the reactants becoming highly viscous, the...
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7094862 |
Method for preparing polyesters having intrachain free acid functions
The invention relates to a method for preparing polyesters A containing several mid-chain free acid functions by ring-opening polymerisation in the presence of a chain initiator: the benzyl diester...
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7094863 |
Polyester preforms useful for enhanced heat-set bottles
The present invention relates to slow-crystallizing polyethylene terephthalate resins that possess a significantly higher heating crystallization exotherm peak temperature (T CH ) as compared with...
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7091304 |
Process for cleaning production plants for polyester polyols
The present invention relates to a process for cleaning multi-product production plants for polyester polyols with a cleaning polyol. The cleaning polyol can be used as a raw material in the...
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