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| Number | Title | Issue Date |
| 8030432 | Copolymerization of hydroxytyrosol with flavonoids mediated by horseradish peroxidases The present invention provides a method of producing a copolymer of hydroxytyrosol, or its derivative, and at least one flavonoid comprising reacting hydroxytyrosol monomers or derivative with at least one flavonoid in the presence of an enzyme and hydrogen peroxide... | 10/04/2011 |
| 7718758 | Mixtures of poly(1,4-dihydroxy)-phenylenes (polyhydroquinones) Poly(1,4-dihydroxy)-phenylenes (polyhydroquinones) having antihypoxic and antioxidative properties and prolonged paramagnetism, and represented by general formula: where n=0-13. The polyhydroquinones possess the possibility... | 05/18/2010 |
| 7718757 | Aromatic polymer and producing method thereof An aromatic polymer, containing a repeating unit represented by Formula (I), and having properties (A1) and (B1): (A1) the number average degree of polymerization of an acetylated product obtained by acetylation of the hydroxyl groups of the polymer is 3 or more, an... | 05/18/2010 |
| 7678877 | Process for the synthesis of polyalkylphenol antioxidants Disclosed is a method for the synthesis of sterically hindered polymeric antioxidants based on phenol type antioxidant monomers. The method includes partially etherifying, polymerizing and thermally rearranging a phenol containing monomer represented by the followin... | 03/16/2010 |
| 7671167 | Poly(arylene ether) copolymer A poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers including a monohydric phenol and a dihydric phenol. It has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram and, on average, about 1.8 to about 2 hydroxyl ... | 03/02/2010 |
| 7652126 | Monomers and polymers comprising conjugated groups and methods for making thereof Disclosed is a polymer composition derived from a bis-phenol comprising a conjugated aromatic radical, optionally comprising nitrogen. Suitable bis-phenols as well as methods for making said polymer are also disclosed. Also disclosed are electroactive layers compris... | 01/26/2010 |
| 7642335 | Polycarbonate with high refractive index An aromatic polycarbonate having a high refractive index and good processing and mechanical properties is provided. The aromatic polycarbonate comprises a thiodiphenol monomer and a biphenyl monomer. The refractive index of the polycarbonate may be greater than 1.67... | 01/05/2010 |
| 7629432 | Tert-butylhydroquinone polycarbonates The present invention relates to polycarbonate having repeat units derived from tert-butylhydroquinone (TBHQ). It has herein been found that polycarbonate having repeat units derived from TBHQ has superior properties as compared to polycarbonate having repeat units ... | 12/08/2009 |
| 7541421 | Poly(arylene ether) copolymer A poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers including a monohydric phenol and a dihydric phenol. It has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram and, on average, about 1.8 to about 2 hydroxyl ... | 06/02/2009 |
| 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 comprising one or more base polymers, one or more functionalized m-phenyle... | 08/12/2008 |
| 7396895 | Branched polyarylene ethers and processes for the preparation thereof Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, prov... | 07/08/2008 |
| 7368520 | Crosslinked compositions comprising a poly(arylene ether) and a nonlinear optical chromophore, and devices incorporating same Crosslinked polymer blends comprising a poly(arylene ether) and a nonlinear optical chromophore. Also featured are electro-optic devices incorporating these blends. ... | 05/06/2008 |
| 7332560 | Thermoplastic molding compositions having reduced water absorption A thermoplastic molding composition comprising polycarbonate and at least one (co)polyformal is disclosed. Characterized by its low water absorption the composition is particularly suitable for producing molded articles, especially optical data carriers, such as com... | 02/19/2008 |
| 7329708 | Functionalized poly(arylene ether) composition and method A curable composition includes an olefinically unsaturated monomer and a poly(arylene ether) having two polymerizable groups and an intrinsic viscosity of about 0.05 to about 0.30 deciliters per gram. The composition exhibits an improved combination of high flow dur... | 02/12/2008 |
| 7314897 | Aromatic formals as additives for lowering the water uptake of polycarbonates A thermoplastic molding composition comprising polycarbonate and at least one aromatic formal is disclosed. The formal conforms to The composition that is characterized by its reduced water uptake, is useful especi... | 01/01/2008 |
| 7307138 | Polymer electrolytes and process for their preparation A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar″—CO—]   (II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated an... | 12/11/2007 |
| 7291435 | Toner binder for electrophotography and toner for electrophotography The present invention provides a toner binder for electrophotography which comprises a polyester resin constituted of an alcohol component containing a polyoxyalkylene ether (A) of a bisphenol and an acid component, and the content of unreacted bisphenols in said po... | 11/06/2007 |
| 7273919 | High heat polyethersulfone compositions High heat polyethersulfone compositions are provided which possess unexpectedly high glass transition temperatures. The polyethersulfone compositions comprise structural units derived from phthalimide bisphenols such as 3,3-bis(4 -hydroxyphenyl)-N-phenylphthalimide,... | 09/25/2007 |
| 7268193 | Branched polyphenylene polymers Branched polyarylene polymers are provided comprising monovalent endcappers, divalent linear units, and polyvalent branching units. The composition of the polymers is controlled by adjusting the ratio of the three types of monomers. ... | 09/11/2007 |
| 7247682 | Bifunctional phenylene ether oligomer, its derivatives, its use and process for the production thereof A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of a bivalent phenol of the formula (2) and a monovalent phenol of the formula (3), wherei... | 07/24/2007 |
| 7208564 | Branched polyformals and copolyformals their preparation and use A branched (co)polyformal is disclosed. The (co)polyformal contains structural units conforming to at least one the general formulae (1a) and (1b) wherein each of -E- and -D- independently of one another denote a... | 04/24/2007 |
| 7205035 | Thermoset composition, method, and article A curable composition includes a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a polymeric additive selected from polystyrene, poly(styrene-maleic anhydride), poly(styrene-methyl methacrylate), polybutene, poly(ethylene-bu... | 04/17/2007 |
| 7202324 | Perfluorostyrene compound, and coating solution and optical waveguide device using the same Disclosed is a fluorine compound having perfluorostyrene introduced at a terminal thereof, as represented in the following Formula 1, and a coating solution and an optical waveguide device using the same, characterized in that the introduction of perfluorostyrene re... | 04/10/2007 |
| 7202323 | Polycarbonate resin A polycarbonate resin with a polystyrene-converted weight average molecular weight (Mw) of 20,000 to 200,000 obtained by forming a carbonate bond from a dihydroxy compound represented by the general formula (1), a dihydroxy compound represented by the general formul... | 04/10/2007 |
| 7199208 | Polyformals and copolyformals with reduced water absorption, production and use thereof A thermoplastic molding composition comprising a linear (co)polyformal is disclosed. The (co)polyformal corresponds to formulae (Ia) or (Ib), in which A independently denotes hydrogen or phenyl, —O-D-O— and â... | 04/03/2007 |
| 7196155 | Process for preparing poly(arylene ethers) with pendant crosslinkable groups A process comprising: a) reacting a diphenol monomer A with a monomer B having two locations for reaction with A to form arylene ether monomer C and b) reacting arylene ether monomer C with a diphenol monomer D to form a polymer, where monomer A is HX... | 03/27/2007 |
| 7193030 | Acid anhydride and polyimide using the same An acid anhydride of the formula (4), and a polyimide using the acid anhydride, wherein anhydrides are substituted at sites 3 or sites 4, which acid anhydride is obtained... | 03/20/2007 |
| 7179879 | Poly(arylene ether) dielectrics The present invention relates to poly(arylene ethers) used as low k dielectric layers in electronic applications and articles containing such poly(arylene ethers) comprising the structure: wherein n=5 to 10000 an... | 02/20/2007 |
| 7165881 | Methods and apparatus for high-shear mixing and reacting of materials Methods and apparatus for high shear reacting and/or mixing of moving fluid streams of materials employ an interdiffusing and reacting zone formed in the space between two stationary surfaces, the surfaces being spaced apart a maximum distance of the sum of the thic... | 01/23/2007 |
| 7166250 | Poly(arylene ether) dielectrics The present invention relates to poly(arylene ethers) used as low k dielectric layers in electronic applications and articles containing such poly(arylene ethers) comprising the structure: wherein n=5 to 10000 an... | 01/23/2007 |
| 7163988 | Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, —OSO3CH3 an... | 01/16/2007 |
| 7163987 | Thermoplastic molding compositions with an improved melt stability based on polyarlene ether sulfones The present invention relates to molding compositions comprising A) from 39 to 99% by weight of at least one polyarylene ether sulfone built up from bifunctional monomer units, B) from 1 to 20% by weight of at leas... | 01/16/2007 |
| 7135539 | Novolac resins, process for preparing them and uses thereof The present invention relates to novel novolac resins obtained by coupling at least one aromatic compound (A) comprising at least two hydroxyl groups and at least one aldehyde (B) in the presence of an acid catalyst and in the presence of water and/or an organic sol... | 11/14/2006 |
| 7115531 | Organosilicate resins as hardmasks for organic polymer dielectrics in fabrication of microelectronic devices This invention is a method comprising providing a substrate, forming a first layer on the substrate, wherein the first layer has a dielectric constant of less than 3.0 and comprises an organic polymer, applying an organosilicate resin over the first layer, removing ... | 10/03/2006 |
| 7109249 | Composition containing a cross-linkable matrix precursor and a poragen, and porous matrix prepared therefrom A suitable cross-linkable matrix precursor and a poragen can be treated to form a porous cross-linked matrix having a Tg of greater than 300° C. The porous matrix material has a lower dielectric constant than the corresponding non-porous matrix material,... | 09/19/2006 |
| 7101957 | Crosslinked compositions comprising a poly(arylene ether) and a nonlinear optical chromophore, and devices incorporating same Crosslinked polymer blends comprising a poly(arylene ether) and a nonlinear optical chromophore. Also featured are electro-optic devices incorporating these blends. ... | 09/05/2006 |
| 7098360 | Processes employing multiple successive chemical reaction process steps and apparatus therefore The invention provides processes and apparatus for the production of materials requiring a plurality of chemical reaction steps. In the prior art the number of reaction vessels is minimized by performing two or more reactions together in the same vessel. Instead eac... | 08/29/2006 |
| 7087704 | Method for manufacturing thermotropic liquid-crystalline polymer It is an object of the present invention to manufacture high quality thermotropic liquid-crystalline polymer generating no low boiling gas and inducing no discoloration resulted from thermal degradation at high yield. To manufacture a liquid-crystalline polymer havi... | 08/08/2006 |
| 7087705 | Process for the monoalkylation of dihydroxy aromatic compounds A continuous process comprising: contacting a mixture comprising dihydroxy aromatic compound, water and an alkylating agent with a catalyst system in the presence of a flowing carrier gas, to form a mono alkylated dihydroxy aromatic compound, wherein the catalyst sy... | 08/08/2006 |
| 7087701 | Poly(arylene ethers) with pendant crosslinkable groups, and devices incorporating same A polymer comprising units having the formula (I) wherein: Q1 comprises at least one aryl or heteroaryl group; Q2 comprises at least one aryl or heteroaryl group; X | 08/08/2006 |
