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| Number | Title | Issue Date |
| 8350001 | Method for removing a carbonization catalyst from a graphene sheet and method for transferring the graphene sheet A method for removing a carbonization catalyst from a graphene sheet, the method includes contacting the carbonization catalyst with a salt solution, which is capable of oxidizing the carbonization catalyst. ... | 01/08/2013 |
| 8133969 | Method for removing a carbonization catalyst from a graphene sheet and method for transferring the graphene sheet A method for removing a carbonization catalyst from a graphene sheet, the method includes contacting the carbonization catalyst with a salt solution, which is capable of oxidizing the carbonization catalyst. ... | 03/13/2012 |
| 7968674 | Method for removing a carbonization catalyst from a graphene sheet and method for transferring the graphene sheet A method for removing a carbonization catalyst from a graphene sheet, the method includes contacting the carbonization catalyst with a salt solution, which is capable of oxidizing the carbonization catalyst. ... | 06/28/2011 |
| 7439317 | Amorphous polyester chip and method for production thereof, and method for storage of amorphous polyester chip An amorphous polyester chip having superior processing ability is characterized by a moisture content of not more than 300 ppm and a fine particle content of not more than 500 ppm. A preferred embodiment is a copolymerized polyester chip comprising a main repeating ... | 10/21/2008 |
| 7420027 | Method for producing a borohydride A method for producing a borohydride is described and which includes the steps of providing a source of borate; providing a material which chemically reduces the source of the borate to produce a borohydride; and reacting the source of borate and the material by sup... | 09/02/2008 |
| 7381788 | Method for continuous production of polyamide Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a polyamide, comprising (a) a raw material preparation step of individu... | 06/03/2008 |
| 7332565 | Method for the reduction of the residual monomer content in aqueous polymer dispersions A method for reducing the amount of residual monomer in aqueous polymer dispersions by aftertreatment with an initiator system comprises aftertreating the aqueous polymer dispersion with addition of an initiator system essentially comprising ... | 02/19/2008 |
| 7326748 | Thermoplastic composition The subject invention discloses a thermoplastic composition which is comprised of a blend of a thermoplastic resin and an elastomer, wherein said thermoplastic resin is selected from the group consisting of polyphenylene ether and polystyrene, wherein said elastomer... | 02/05/2008 |
| 7309758 | Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The... | 12/18/2007 |
| 7276573 | Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers The present invention provides a process for preparing mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of at least one telogen and/or of a comonomer over an acidic catalyst, wherein the polyme... | 10/02/2007 |
| 7271236 | Preparation method of polyester resin A preparation method of a polyester resin includes: under predetermined depolymerization conditions, mixing a polyester resin, a resin dissolvent and a polycondensation catalyst to depolymerize the polyester resin and form a first reaction mixture; adding a first mo... | 09/18/2007 |
| 7259230 | Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications A PBI compound includes imidazole nitrogens at least a portion of which are substituted with an organic-inorganic hybrid moiety. At least 85% of the imidazole nitrogens may be substituted. The organic-inorganic hybrid moiety may be an organosilane moiety, for exampl... | 08/21/2007 |
| 7256241 | Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters The invention provides methods and formulations involving the use of promoters that accelerate the polymerization of macrocyclic polyester oligomers (MPOs). For example, in certain embodiments, the invention provides blends of macrocyclic polyester oligomer (MPO), c... | 08/14/2007 |
| 7226988 | Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts A polyether polyol is formed by a method utilizing a carboxy-modified aluminum-based catalyst. The method includes providing an alkylene oxide, providing an initiator molecule having at least one alkylene oxide reactive hydrogen, and reacting the alkylene oxide with... | 06/05/2007 |
| 7189799 | Production of polyetherols using aluminum phosphonate catalysts A method for the production of polyetherols is disclosed. The method includes the utilization of aluminum phosphonate catalysts for the formation of the very low unsaturation polyether polyols. The aluminum phosphonate catalyst preferably has a general structure of ... | 03/13/2007 |
| 7169883 | Polymers A thienylene-arylene polymer comprised of a repeating segment containing at least one 2,5-thienylene unit selected from (I) and (II), and from about one to about three arylene units selected from (IIIa), (IIIb), and/or (IIIc) | 01/30/2007 |
| 7153433 | Use of functionalized porous membranes or matrices for purification of nucleic acids and corresponding methods Application of a functionalized porous membrane to purify nucleic acids, the binding properties of the membrane with respect to nucleic acids being adjustable by controlling the conditions of an ambient medium. The membrane is functionalized by deprotonated groups. | 12/26/2006 |
| 7132484 | Continuous process for producing poly (trimethylene terephthalate) A continuous process for the production of poly(trimethylene terephthalate) is disclosed. According to the process, a liquid feed mixture comprising bis-3-hydroxypropyl terephthalate and/or low molecular weight polyesters of 1,3-propanediol and terephthalic acid, th... | 11/07/2006 |
| 7112649 | Polythiophenes and devices thereof An electronic device containing a polythiophene prepared by a metal halide-mediated coupling polymerization in an appropriate solvent, and which polythiophene is comprised of at least one monomer unit selected from the group consisting of 2,5-thienylene (or 2,5-thio... | 09/26/2006 |
| 7112651 | Production of polyoxymethylene and suitable catalysts A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I [ML1aL2b]cm+Zc·m/nn− (I) | 09/26/2006 |
| 7108504 | Light for use in activating light-activated materials, the light having insulators and an air jacket Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 09/19/2006 |
| 7077648 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 07/18/2006 |
| 7066732 | Method for curing light-curable materials A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 06/27/2006 |
| 7064177 | Production of polyoxymethylene and suitable (II) catalysts A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I [CpvMLw]m+Zm/nn− (I) where ... | 06/20/2006 |
| 7053156 | Process for hydrogenating block copolymers Disclosed is a process for hydrogenating a block copolymer comprising admixing a block copolymer cement with hydrogen in the presence of a heterogeneous hydrogenation catalyst wherein the heterogeneous hydrogenation catalyst is a metal catalyst on a porous alumina s... | 05/30/2006 |
| 7015284 | Thermoplastic elastomer composition The present invention relates to a soft thermoplastic elastomer composition that is free of thermoplastic resin that can be utilized in manufacturing shoe sole inserts, seals, gaskets, wheels, and that can be overmolded on a hard substrate, such as a metal or a ther... | 03/21/2006 |
| 6992128 | Highly active β-nucleating additive for polypropylene The invention relates to a method for enhancing the fraction of β-crystal modification in polypropylene by compounding nanocrystalline substances. A β-fraction of 50–100% is achieved with said method. The compounds are characterized by improved mechanical proper... | 01/31/2006 |
| 6979193 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/27/2005 |
| 6979194 | Light for activating light-activated materials, the light including a plurality of individual chips and providing a particular spectral profile Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 12/27/2005 |
| 6974319 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/13/2005 |
| 6971875 | Dental curing light A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat ... | 12/06/2005 |
| 6971876 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/06/2005 |
| 6969253 | Light for use in activating light-activated materials, the light having at least one light emitting semiconductor chip, the chip being attached to a primary heat sink that is attached to a secondary heat sink using heat conductive and electrically insulative adhesive Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 11/29/2005 |
| 6955537 | LIGHT FOR USE IN ACTIVATING LIGHT-ACTIVATED MATERIALS, THE LIGHT HAVING A PLURALITY OF LIGHT EMITTING SEMICONDUCTOR CHIPS EMITTING LIGHT OF DIFFERING PEAK WAVELENGTHS TO PROVIDE A WIDE LIGHT SPECTRUM PROFILE Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 10/18/2005 |
| 6953340 | Light for use in activating light-activated materials, the light having a detachable light module containing a heat sink and a semiconductor chip Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 10/11/2005 |
| 6939656 | Method for producing polymerized toner Methods for producing a polymerized toners are provided, where, a dispersion including colored polymer particles obtained by polymerizing a polymerizable composition is treated stably in the process of reducing the remaining monomer, the resultant polymerized toners... | 09/06/2005 |
| 6932600 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/23/2005 |
| 6930210 | Process to produce polyether polyols The invention relates to a process to produce high-purity, low-odour polyether polyols, with very low levels of catalytic residues, by means of alkene oxide polyaddition reactions to substances that contain active hydrogens in the presence double metal cyanides as c... | 08/16/2005 |
| 6929472 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/16/2005 |
| 6926524 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/09/2005 |
