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7619055 |
Linked arylamine polymers and electronic devices generated therefrom
An electronic device like a thin film transistor containing an arylamine polymer of the formula
wherein Ar is aryl or heteroaryl; X represents CH 2 , sulfur, oxygen, selenium, NR′, or SiR″...
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7619054 |
Dendrimer compositions with high branching multiplicity
Dendrimeric compounds and polymers are also provided wherein the dendrimer core is derived from the Michael reaction products. The branching pattern of the core and the multiplicity of the Michael...
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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...
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7544764 |
Sulfonated polymer composition for forming fuel cell electrodes
A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated...
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7528217 |
Polymers and fibers formed therefrom
Sulfonated polyoxadiazole polymers containing groups selected from:
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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...
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7452960 |
Polyhydroxyalkanoate copolymer, resin composition, molded product, toner, image forming method and image forming apparatus
A polyhydroxyalkanoate copolymer comprises one kind of unit of
—[OCH((CH 2 ) x —SOC 6 H 5 R)CH 2 CO]— (n=1-7) ...
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7361729 |
Ion-conducting sulfonated polymeric materials
Sulfonated polymers are made by the direct polymerization of a sulfonated monomer to form the sulfonated polymers. The types of sulfonated polymers may include polysulfones or polyimides. The...
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7351786 |
Polyhydroxyalkanoate containing unit having cyclohexyl structure at side chain, production process therefor, and binder resin containing polyhydroxyalkanoate
Disclosed are a polyhydroxyalkanoate, containing in a polymer molecule thereof a monomer unit represented by the following general formula (1):
(wherein R1 represents a substituent to a...
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7342077 |
Acrylic composition and a method of forming the same via free-radical polymerization
An acrylic composition, or star acrylic polymer, includes the reaction product of an initiator, a first compound, and a highly-branched, polyfunctional core molecule. The initiator has a...
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7329721 |
Maleamic acid polymer derivatives and their bioconjugates
The present invention is directed to maleamic acid derivatives of water soluble polymers, to chemically stable water-soluble polymer succinamic acid-active agent conjugates, and to methods for...
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7318842 |
Agents and methods for treating biodegradable synthetic yarns
An agent and method for treating biodegradable synthetic yarns fabricated from a polymer comprising lactic acid as a main component, which enable improved lubricity, cohesion, etc. to be so...
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7309757 |
Polymers for the delivery of bioactive agents and methods of their preparation
Provided is a poly(amino ester) having a polymer backbone comprising at least one secondary amine linkage and at least one tertiary amine linkage in the polymer backbone. Poly(amino ester)s are...
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7288619 |
Fluorinated polyether polyamine and method of making the same
A composition comprises a condensation product of an amine-reactive fluorinated polyether and a polyamine. The compositions may be in dispersed in water.
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7244803 |
Poly-o-hydroxyamide, polybenzoxazole from the poly-o-hydroxyamide, electronic component including a polybenzoxazole, and processes for producing the same
A dielectric for aluminum and copper metalizations is stable at high temperatures. Surprisingly, in spite of the elimination of water during the cyclization, the polymeric dielectrics are very...
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7175917 |
Biaxially oriented polylactic acid-based resin films
The present invention provides a biaxially oriented film of a polylactic acid resin that is suitable for films for bags and packaging films for various windows, particularly films for outlook...
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7166688 |
Chelation compositions
Biodegradable chelating agents comprising a substituted iminodisuccinic acid having six coordination sites and a simple method for making same are disclosed. The method calls for mixing together an...
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7148316 |
Hydroxy amide acetals
The present invention relates to the preparation of hydroxy-functionalized amide acetals from bis-(beta hydroxy)amines and hydroxyl containing moieties.
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7144976 |
Coumarin endcapped absorbable polymers
The present invention includes photocurable, liquid polymers incorporating coumarin ester endgroups into their molecular structure, which polymers are crosslinked upon irradiation with ultraviolet...
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7125606 |
Carboxylic acid modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
A crosslinking agent that is an ungelled reaction product of (a) an aminoplast resin and (b) a carboxylic acid-containing compound wherein the crosslinking agent is essentially free of reactive...
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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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7105629 |
Coumarin endcapped absorbable polymers
The present invention includes photocurable, liquid polymers incorporating coumarin ester endgroups into their molecular structure, which polymers are crosslinked upon irradiation with ultraviolet...
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7091306 |
Process for preparing polyalkenylsuccinimides
The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of:
(a) preparing a polyalkenyl...
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7074881 |
Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof
Disclosed are methods of synthesis of copoly(succinimide-aspartate), copolymers and derivatives thereof, prepared in a thermal or supercritical fluid method. Also disclosed are methods of...
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7071288 |
Terpolymers from lactide
The present invention is generally directed to a process for producing lactide-based polymers and the polymers produced by this process. The polymers of the present invention are terpolymers formed...
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7070858 |
Amorphous polymeric polyaxial initiators and compliant crystalline copolymers therefrom
An absorbable crystalline, monocentric polyaxial copolymer comprising a central carbon or nitrogen atom and at least three axes, each of which includes an amorphous flexible component adjacent and...
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7048925 |
Acid-sensitive polyacetals and methods
Polyacetals comprising a recurring units represented by a formula selected from the group consisting of formula (I) and (II):
wherein A comprises at least one acetal group; B is selected...
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7019106 |
Lactic acid polymer and process for producing the same
A process for producing a lactic acid polymer of 15,000 to 50,000 in weight-average molecular weight, the content of polymeric materials having not more than about 5,000 in weight-average molecular...
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7005185 |
Quick cure carbon fiber reinforced epoxy resin
An epoxy composition includes an epoxy resin, a latent curing agent, and a catalyst. The composition includes two epoxide groups per molecule, and the latent curing agent is preferably a...
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7005123 |
Functional poly-α-amino-acid derivatives useful for the modification of biologically active materials and their application
A linear poly-α-amino-acid derivative has at least glutamic or aspartic or serinic repeating units and additionally having a functional group at one or both ends of the polymer backbone and/or...
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7001969 |
Methods of making intermediates from polyhydroxyalkanoates
Methods of forming intermediates from PHAs are disclosed.
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6974856 |
Block copolymers having polymer segment derived from oxazoline
Disclosed are block copolymers represented by the following general formula (I)
wherein AI represents a hydroxyl group or an organic residue derived from an anionic polymerization initiator, R...
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6933361 |
Thermally re-mendable cross-linked polymers
Thermally re-mendable cross-linked polymeric materials that can be repeatedly mended or repaired by simple thermal treatment. The polymeric materials are made by polymerizing furan monomers and...
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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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6900284 |
POLY-O-HYDROXYAMIDES, POLYBENZOXAZOLES, PROCESSES FOR PRODUCING POLY-O-HYDROXYAMIDES, PROCESSES FOR PRODUCING POLYBENZOXAZOLES, DIELECTRICS INCLUDING A POLYBENZOXAZOLE, ELECTRONIC COMPONENTS INCLUDING THE DIELECTRICS, AND PROCESSES FOR MANUFACTURING THE ELECTRONIC COMPONENTS
Poly-o-hydroxyamides are cyclicized to obtain polybenzoxazoles. The poly-o-hydroxyamides provide effective filling of trenches. In particular, the poly-o-hydroxyamides can fill trenches having a...
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6893718 |
Pressure sensitive adhesive composition, articles made therewith and method of use
A pressure sensitive adhesive composition is described, comprising the reaction product of a copolymer and a bisamide crosslinking agent, (A) the copolymer comprising the reaction product of (i) a...
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6887971 |
Synthesis of polysuccinimide and copoly(succinimide-aspartate) in a supercritical fluid
Disclosed are methods of synthesis of polysuccinimide and a copoly(succinimide-aspartate) using a supercritical fluid.
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6878797 |
Synthesis and applications of polymaleimide
A process for producing alkali metal polymaleimide salts by alkaline hydrolysis of maleimide polymers prepared by polymerization of maleimide monomers in the presence of a metal oxide and alcohol...
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6878374 |
Biodegradable polyacetals
A polymer comprising recurring units represented by formula (I):
wherein X is selected from the group consisting of C(O)OR 1 , C(O)SR 1 , C(O)NR 1 R 2 , and VZ, where R 1 and R 2 are...
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6867181 |
Ionic molecular conjugates of biodegradable polyesters and bioactive polypeptides
A method of spherifying a sustained release ionic conjugate which contains a free carboxyl group-containing polymer and a free amino group-containing drug which are ionically bonded to each other.
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6855776 |
Amino-terminated polybutadienes
Improved amine-terminated polybutadienes (ATPBs) having one or two terminal groups of the formula —CHRNH 2 wherein R is C 1 -C 20 alkyl, are prepared by aminating a secondary...
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6841615 |
Composite Adhesive
A composite adhesive featuring a matrix phase that includes a cyanate ester and a filler or reinforcement phase that includes a plurality of bodies of at least one material comprising a high shear...
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6828412 |
Degradable polymers
A polymer comprising: a polymeric backbone comprising at least one unit having the structure (I), wherein R-R 4 comprise groups selected from the group consisting of H, C 1 -C 12 alkyl, C 6 -C 18...
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6808854 |
POLYHYDROXYALKANOATES HAVING IN ITS SIDE CHAIN PHENYLSULFINYL STRUCTURE AND/OR PHENYL SULFONYL STRUCTURE AND PRODUCTION PROCESS THEREFOR; CHARGE CONTROL AGENT, TONER BINDER AND TONER CONTAINING SAME; AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS USING THE TONER
The present invention provides a novel polyhydroxyalkanoate (PHA) containing a 3-hydroxyalkanoic unit which has at its side chain terminal a substituted phenylsulfinyl group and/or a substituted...
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6803447 |
Preparation of supramolecular polymers by copolymerization of monomers containing quadruple hydrogen bonding units with regular monomers
The invention relates to the synthesis of polymers containing self-complementary quadruple hydrogen groups by copolymerizing monomers containing a quadruple hydrogen bonding group with one or more...
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6784280 |
Polysuccinimide(CO) polymer derivate and process for production thereof
A process for producing a polysuccinimide (co)polymer derivative which permits the reaction of a polysuccinimide (co)polymer with a Lewis base in a wide temperature range (90° to 300° C.) without...
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6777079 |
Crosslinked pressure sensitive adhesive compositions, and adhesive articles based thereon, useful in high temperature applications
Pressure sensitive adhesive compositions, and adhesive articles based thereon, crosslinked using a bis-amide crosslinking agent that are thermally stable, yet cleanly removable from a variety of...
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6773928 |
Compositions and methods for enhancing bioassay performance
Compositions of matter and methods for enhancing bioassay performance are disclosed. More particularly, the composition of matter comprises a molecularly compact polymer-ligand conjugate capable of...
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6740731 |
Degradation control of environmentally degradable disposable materials
The present invention is directed to a method for reducing waste accumulation by using an environmentally degradable disposable material. The disposable material, which includes a hydroxycarboxylic...
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6740633 |
Polyelectrolyte complexes and a method for production thereof
Polyelectrolyte complexes of cationic and anionic polymers which consist of (a) cationic condensates of (i) at least one amine and (ii) a crosslinking agent from the group consisting of...
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