|
Match
|
Document |
Document Title |
|
|
7534852 |
Polyanhydrides with therapeutically useful degradation products
An aromatic polyanhydride comprising a repeating unit having the structure
is disclosed, wherein Ar and R are selected so that the aromatic polyanhydride hydrolyzes to form a therapeutic...
|
|
|
7411019 |
Polymer composites containing nanotubes
The present invention relates to polymer composite materials containing carbon nanotubes, particularly to those containing singled-walled nanotubes. The invention provides a polymer composite...
|
|
|
7344657 |
Aromatic 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...
|
|
|
7297755 |
Shaped articles from cycloaliphatic polyester compositions
Disclosed are oriented, shaped articles such as, for example, film, fibers, bottles, and tubes, with excellent strength, toughness, clarity, chemical resistance, and UV resistance. The articles can...
|
|
|
7271234 |
Polyarylates for drug delivery and tissue engineering
Biocompatible polyarylates of tyrosine-derived diphenol compounds and poly(alkylene oxide) dicarboxylic acids, articles formed therefrom and therapeutic uses are disclosed.
|
|
|
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...
|
|
|
7122615 |
Polyanhydrides with therapeutically useful degradation products
An aromatic polyanhydride having a repeating unit with structure (I) wherein Ar is a substituted or unsubstituted aromatic ring and R is a difunctional organic moiety substituted on each Ar ortho...
|
|
|
7063892 |
Aromatic liquid-crystalline polyester and film thereof
An aromatic liquid-crystalline polyester having a small dielectric loss in a wide frequency region is provided. An aromatic liquid-crystalline polyester is provided that can manufacture a film...
|
|
|
7014921 |
Aromatic liquid-crystalline polyester
An aromatic liquid-crystalline polyester with good moldability into a film is provided. The resulting film has small dielectric loss. The polyester comprises repeating units represented by formulae...
|
|
|
7014791 |
Liquid crystalline polymer composition
Liquid crystalline polymer having repeat units derived from 4,4′-biphenol, terephthalic acid, 2,6-naphthalenedicarboxylic acid, and 4-hydroxybenzoic acid in a limited compositional range have...
|
|
|
6984712 |
Liquid-crystal polyester resin
The present invention provides a liquid-crystalline polyester resin which comprises monomer units derived from 2-hydroxy-3-naphthoic acid and/or 2-hydroxynaphthalene-3,6-dicarboxylic acid in an...
|
|
|
6890988 |
Aromatic polyester
The present invention provides an aromatic polyester which is obtained by condensation polymerization reaction of terephthalic acid, 2,6-naphthalenedicarboxylic acid and acylated product obtained...
|
|
|
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...
|
|
|
6762277 |
Method of manufacturing N-carboxyamino acid anhydride and polyamino acid
A method of manufacturing a new N-carboxyamino acid anhydride and polyamino acid using a simple process operation. The method for manufacturing N-carboxyamino acid anhydride comprising reacting...
|
|
|
6632916 |
Composite type conductive polymer and process of producing aromatic compound
A composite type conductive polymer having a phenylene vinylene backbone with a condensed hydrocarbon ring system introduced into the backbone to form a bend in a linear structure of the phenylene...
|
|
|
6627303 |
High modulus weatherable polyester carbonate articles
Articles made from a thermoplastic resin composition comprising a high modulus fiber and a resorcinol polyester or resorcinol polyester carbonate resin showing high strength and stiffness along...
|
|
|
6552133 |
Method for making carboxy-functionalized polyphenylene ethers, and blends containing them
Carboxy-functionalized polyphenylene ethers containing structural units with a carboxyalkyl group in the 2-position are prepared by redistribution of a polyphenylene ether with a...
|
|
|
6525120 |
Polymer composition
A polymer composition having satisfactory processing stability is provided which comprises a polymer; a bisphenol monoester represented by the Formula (1): wherein R 1 represents hydrogen, alkyl...
|
|
|
6482915 |
Method for producing liquid crystalline polymer
The invention provides a method for producing a thermotropic liquid crystalline polymer of high quality at high yield and in short polymerization time, which method includes polymerizing staring...
|
|
|
6475477 |
Radio-opaque polymer biomaterials
Iodinated and/or brominated derivatives of aromatic dihydroxy monomers are prepared and polymerized to form radio-opaque polymers. The monomers may also be copolymerized with other dihydroxy...
|
|
|
6388045 |
Liquid-crystalline polymer
Provided is a liquid crystalline polymer which is obtained by copolymerizing at least one polyfunctional aromatic monomer selected from the group consisting of the compounds represented by the...
|
|
|
6383636 |
(2,5-disubstituted-1,4-phenylene oxide) block or graft copolymer
There is disclosed a (2,5-disubstituted-1,4-phenylene oxide) block copolymer which comprises one or more block structural units represented by formula (I) and at least one particular divalent...
|
|
|
6376076 |
Aromatic liquid crystalline polyester resin and resin composition thereof
Provided are a aromatic liquid crystalline polyester resin having improved low temperature processability, a film having excellent gas barrier property. The aromatic liquid crystalline polyester...
|
|
|
6344516 |
Resin composition and process for producing the same
A curable resin composition, which comprises a resin formed, in the presence of a transition metal complex, by polymerizing an oxidative-polymerizable compound that contains a...
|
|
|
6333393 |
Aromatic polyester and molded article using the same
An aromatic polyester having the following structural units, (1), (2), (3), (4) and (5), wherein the amount of the structural unit (1) is 30 to 50% based on the total of the all structural units,...
|
|
|
6296950 |
Method of producing thermotropic liquid crystalline copolyester, thermotropic liquid crystalline copolyester composition obtained by the same method, and molding made of the same composition
A method of producing a thermotropic liquid crystalline copolyester having an extremely small amount of out-gases comprising the steps of: (1) charging in a reactor 5-100 mol % of aromatic...
|
|
|
6242558 |
Modified polytrimethylene terephthalate
A 1,3-propanediol-based aromatic polyester such as polytrimethylene terephthalate is modified by reaction with a hindered phenolic acid or ester to provide an endcapped polyester which has improved...
|
|
|
6239249 |
Method for producing a copolymerized polyester resin
A method for producing a copolymerized polyester resin, which comprises subjecting a dicarboxylic acid component containing terephthalic acid or its ester derivative as the main component and a...
|
|
|
6222000 |
Process for producing amorphous anisotropic melt-forming polymers having a high degree of stretchability
Process for producing highly stretchable, amorphous anisotropic melt-forming polymers having recurring units derived from p-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, at least one aromatic...
|
|
|
6177182 |
Thermally reactive near infrared absorption polymer coatings, method of preparing and methods of use
Provided herein are novel polymeric coating materials for direct digital imaging by laser. More specifically the novel coating materials are thermally reactive near infrared absorption polymers...
|
|
|
6172181 |
(2,3,4,5,6-pentafluorobenzoyl) diphenyl ether compound, and fluorine-containing aryl ether ketone polymer
A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound represented by the formula (I): ##STR1## wherein R stands for a hydroxyl group or a group represented by ##STR2## ether ketone polymer...
|
|
|
6143860 |
Polyketone polymer composition
A polymer composition made by combining a polyketone polymer and a phenolic alkylene dicarboxylate of the general formula: ##STR1## each R 1 independently is hydrogen or alkyl with 1-6 carbon...
|
|
|
6140455 |
Liquid crystalline polyester resin for extrusion molding
Provided is a liquid crystalline polyester resin for extrusion molding having a solder heat resistant temperature of 250° C. or more, wherein the ratio ((viscosity 2b)/(viscosity 1b)) of the melt...
|
|
|
6132884 |
Process for producing amorphous anisotrophic melt-forming polymers having a high degree of stretchability and polymers produced by same
Process for producing highly stretchable, amorphous anisotropic melt-forming polymers having recurring units derived from p-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, at least one aromatic...
|
|
|
6114492 |
Process for producing liquid crystal polymer
A potassium catalyst is used in combination with a cobalt catalyst to increase the reaction rate and/or reduce the reaction temperature of a melt polymerization process for producing an anisotropic...
|
|
|
6090905 |
Compositions and methods for controlling stickies
Mannich-derivatized polyphenolic compositions prepared by the reaction of a phenolic compound having at least two phenol rings with an aldehyde and an amphoteric compound having both a basic moiety...
|
|
|
6069223 |
Process for making an aromatic polymer
A process for making a crystallizable aromatic polymer comprises polycondensing difunctional monomers in the presence of a base and adding to the reaction mixture a nucleating agent. The nucleating...
|
|
|
6063875 |
Carboxy-functionalized polyphenylene ethers and blends containing them
Carboxy-functionalized polyphenylene ethers containing structural units with a carboxyalkyl group in the 2-position are prepared by redistribution of a polyphenylene ether with a...
|
|
|
6042920 |
Optical quality copolycarbonates containing polyoxyalkylene carbonate units
Copolycarbonates comprise structural units derived from a bisphenol such as bisphenol A, a spiro(bis)indane bisphenol such as 6,6'-dihdyroxy-3,3,3',3'-tetramethyl-1,1'-spiro(bis)indane and a...
|
|
|
6040111 |
Aromatic hydroxycarboxylic acid resins and their use
Disclosed are an aromatic hydroxycarboxylic acid resin represented by the following formula (1): ##STR1## wherein each A group is the same or different and individually represents a substituted or...
|
|
|
5973072 |
Polymeric vehicles which include a phenolic urethane reactive diluent
The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where...
|
|
|
5916997 |
Weatherable copolymers
Disclosed are weatherable polyester soft block copolymer compositions comprising copolymers of resorcinol or alternatively phenol, aromatic dicarboxylic acid, and a aliphatic dicarboxylic acid...
|
|
|
5886130 |
Polyphenylene co-polymers
A new class of polyarylene co-polymers include repeating units comprising one or more arylene units having the general formula (--Ar--/--Y--) n , where Y is a divalent group chosen from nil, --Z--,...
|
|
|
5859833 |
Optical disk grade copolyestercarbonates derived from hydroxyphenylindanols
Copolycarbonates having low intrinsic birefringence comprise structural units derived from hydroxyphenylindanol, from resorcinol, alkylenedioic acid or eugenolsiloxane, and, optionally, from a...
|
|
|
5824414 |
Preparation of spherical polyphenol particles
Phenols are reacted with hydrogen peroxide in a solution comprising an organic solvent compatible with water, water, a peroxidase and a dispersing agent to obtain spherical polyphenol particles.
|
|
|
5780556 |
Thermoset coating compositions having improved hardness and curing properties
The present invention provides an amino curable polyester oligomer composition having low viscosity and a narrow molecular weight distribution comprising one or a mixture of oligomers (a) and (b):...
|
|
|
5767223 |
Wholly-aromatic thermotropic liquid crystal polyester and sealing material for electric and electronic parts
A thermotropic liquid crystal polyester and a sealing material used for electric and electronic parts prepared from the thermotropic liquid crystal polyester, which polyester can be molded at low...
|
|
|
5747175 |
LCP blends
Liquid-crystalline polymer blends comprising two or more cholesteric liquid-crystalline polymers or at least one nematic liquid-crystalline polymer and at least one cholesteric liquid-crystalline...
|
|
|
5744125 |
Cosmetic melanins
Disclosed are cosmetic melanins of different colors produced by procedures involving oxidative polymerization of monomeric precursors of melanin and/or co-monomers that enhance substantivity or...
|
|
|
5710237 |
Liquid crystalline polyester resin
Liquid crystalline polyesters made from hydroquinone, terephthalic acid, 2,6-naphthalene dicarboxylic acid and 4-hydroxybenzoic acid, and having a selected composition range, have melting points of...
|