Patents Examined by David Wu
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Patent number: 8829105Abstract: A low z-average molecular weight, high softening point polystyrene resin having a narrow molecular weight distribution, as well as methods of making and using the same, are provided. The use of an inert solvent and/or the order of addition of reactants during polymerization may contribute to the unique properties of the final homopolymeric resin. The polystyrene resin can be partially or fully hydrogenated and may have particular use as a tackifying agent in a variety of hot melt adhesive and rubber compositions.Type: GrantFiled: January 14, 2013Date of Patent: September 9, 2014Assignee: Eastman Chemical CompanyInventors: Wei Min Cheng, Puthenkovilakom Rajesh Raja, George Joseph Kutsek, John B. Penn
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Patent number: 8735278Abstract: The present disclosure is directed to a method of manufacturing an interconnect structure in which a low-k dielectric layer is formed over a semiconductor substrate followed by formation of a copper or copper alloy layer over the low-k dielectric layer. The copper or copper alloy layer is patterned and etched to form a copper body having recesses, which are then filled with a low-k dielectric material. The method allows for formation of a damascene structures without encountering the various problems presented by non-planar features and by porus low-K dielectric damage.Type: GrantFiled: July 17, 2012Date of Patent: May 27, 2014Assignee: Taiwan Semiconductor Manufactring Co., Ltd.Inventors: Ming Han Lee, Hai-Ching Chen, Hsiang-Huan Lee, Tien-I Bao, Chi-Lin Teng
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Patent number: 8188202Abstract: A polymer comprising a unit represented by the following formula (1); and a process for producing the polymer comprising the step of polymerizing a diene compound such as 9,9-diallylfluorene in the presence of a polymerization catalyst formed by contacting a nickel compound with an organoaluminum compound and/or a boron compound:Type: GrantFiled: May 26, 2010Date of Patent: May 29, 2012Assignees: Sumitomo Chemical Company, Limited, Tokyo Institute of TechnologyInventors: Kohtaro Osakada, Daisuke Takeuchi, Yusuke Fukuda, Osamu Ihata, Hiroshi Kuribayashi
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Patent number: 8173733Abstract: A polyolefin wax-containing aqueous resin composition that can provide excellent properties without the use of a surfactant is provided. The aqueous resin composition is obtained by heating and dissolving 100 parts by mass of a carboxyl group-containing polyolefin wax in the presence of 15 to 67 parts by mass of a compound that satisfies formula (1) shown below, and 90 to 380 parts by mass of water, and then dispersing this with a basic compound that has been added at a ratio of 1 to 4 chemical equivalents per carboxyl group of the carboxyl group-containing polyolefin wax. CmH2m+1—(OCH2CH2)n—OH Formula (1) m: an integer from 4 to 6, n: an integer from 1 to 4.Type: GrantFiled: June 7, 2010Date of Patent: May 8, 2012Assignee: Toyo Boseki Kabushiki KaishaInventor: Kenji Kashihara
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Patent number: 8119729Abstract: The invention concerns aqueous secondary polymer dispersions based on special acrylate building blocks, a process for their production and their use as binders for the production of blister-free coatings.Type: GrantFiled: July 22, 2008Date of Patent: February 21, 2012Assignee: Bayer MaterialScience AGInventors: Thomas Münzmay, Alice Münzmay, legal representative, Martin Melchiors, Sandra Hackbarth, Heinz-Dietmar Gewiβ
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Patent number: 8034735Abstract: A catalyst component for the polymerization of olefins comprises Mg, Ti, halogen, and an alpha-omega-diether represented by the general formula: (RO)—(CR1R2)n—(OR), wherein the number of n is from 5 to 10, R is an alkyl, cycloalkyl or aryl radical containing 1 to 12 carbons, and R1 and R2 are independently from each other hydrogen, an alkyl, cycloalkyl or aryl radical containing 1 to 12 carbons. The catalysts prepared with such component provide a high mileage for the production of polyolefins with a high bulk density of the polymer produced in gas-phase polymerization process or in slurry polymerization process. Such catalyst produces narrower MWD PE, if compared with other catalyst systems.Type: GrantFiled: November 14, 2007Date of Patent: October 11, 2011Assignee: Basell Poliolefine Italia, s.r.l.Inventors: Masaki Fushimi, Maria Schmitt, Martin Schneider, Giampiero Morini
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Patent number: 8030373Abstract: Provided is a pigment distribution system. The pigment distribution system includes a pigment encapsulated by physically adsorbing a diblock copolymer to the pigment. The diblock copolymer is represented by Formula 1 below: where -A- denotes a hydrophilic monomer, -B- denotes a hydrophobic monomer, m denotes an integer ranging from 1 to 10, and n denotes an integer ranging from 3 to 30, wherein hydrophilic monomers of neighboring diblock copolymer chains are crosslinked using a crosslinker.Type: GrantFiled: April 1, 2008Date of Patent: October 4, 2011Assignee: Samsung Electronics Co., LtdInventors: Tae-woon Cha, Sung-woong Kim
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Patent number: 8021864Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.Type: GrantFiled: August 17, 2010Date of Patent: September 20, 2011Assignee: Mitsubishi Chemical CorporationInventors: Takayuki Aoshima, Yasuaki Miki, Katsuhisa Kumazawa, Satoshi Katou, Tadashi Uyeda, Toyomasa Hoshino, Noboru Shintani, Kenji Yamagishi, Atsushi Isotani
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Patent number: 8022153Abstract: A method for producing a polyethylene or polypropylene polymer, or co-polymer thereof, comprises contacting a monomer-containing medium with polymerization catalyst particles in at least one high shear mixing device to form a nanodispersion, wherein the particles have a mean diameter less than 1 micron. The monomer is selected from the group consisting of ethylene, propylene, and combinations thereof. The method further includes subjecting the nanodispersion to polymerization conditions comprising pressure in the range of about 203 kPa to about 6080 kPa (about 2 atm to about 60 atm) and temperature in the range of about 20° C. to about 230° C., whereby at least a portion of the monomer is polymerized. A system for carrying out the method is also disclosed.Type: GrantFiled: June 18, 2008Date of Patent: September 20, 2011Inventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Patent number: 8017252Abstract: A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 ?m of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.Type: GrantFiled: June 15, 2006Date of Patent: September 13, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuji Iwaki, Satoshi Seo, Takahiro Kawakami, Hisao Ikeda, Junichiro Sakata, Tomoya Aoyama
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Patent number: 8017680Abstract: A method of making a rubber latex comprises providing a rubber latex and adding to the latex a solution of a reinforcing agent. Further, a method of making a reinforced rubber latex film comprises providing a rubber latex, adding to the latex a solution of a reinforcing agent, then forming a film from the latex. There is also provided a rubber latex comprising a solution of a reinforcing agent, which is preferably a solution of a water-soluble silicate. Rubber latex films and articles made therefrom are also provided.Type: GrantFiled: August 18, 2005Date of Patent: September 13, 2011Assignee: LRC Products LimitedInventor: David Michael Hill
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Patent number: 8013087Abstract: A process for preparing water-absorbing polymer beads by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, the initiator being added to the monomer solution from 0.5 to 60 seconds before the droplets are generated.Type: GrantFiled: October 2, 2007Date of Patent: September 6, 2011Assignee: BASF SEInventors: Dennis Lösch, Marco Krüger, Achim Stammer
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Patent number: 8012488Abstract: A novel polyoxyalkylene derivative represented by the following formula (1), wherein each symbol is as defined in the specification, which has a functional group capable of reacting with various physiologically active substances according to the object is provided.Type: GrantFiled: February 17, 2006Date of Patent: September 6, 2011Assignee: NOF CorporationInventors: Kenji Sakanoue, Kenichiro Nakamoto, Yuji Yamamoto, Hiroki Yoshioka
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Patent number: 8013065Abstract: A method for making a multi-branched polymer includes reacting a first polymeric unit with a functional cyclic compound to form a functional macroinitiator compound with a cyclic moiety. The functional macroinitiator compound is reacted with an amine functional compound to open the cyclic moiety and form a first functional group and a second functional group. To form the branched polymer, at least one of a second polymeric unit is propagated from the first functional group and a third polymeric unit is propagated from the second functional group.Type: GrantFiled: June 9, 2009Date of Patent: September 6, 2011Assignees: International Business Machines Corporation, The Board of Trustees of the Leland Stanford Junior UniversityInventors: James L. Hedrick, Eric Appel, Robert D. Miller, Fredrik Nederberg, Robert M. Waymouth
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Patent number: 8013049Abstract: The present invention discloses a production method of core-shell type highly liquid absorbent resin particles comprising: (1) a first step in which a particle core portion is formed by suspension polymerizing an aqueous solution (e) containing (meth)acrylic acid, a crosslinking agent (c) and an anionic surfactant (d) in a hydrophobic organic solvent (a) containing a nonionic surfactant (b), and (2) a second step in which a shell portion that covers the particle core portion is formed by suspension polymerizing an aqueous solution (g) containing a water-soluble vinyl polymer (f), having carboxyl groups and polymerizable unsaturated double bonds and having a number average molecular weight of 500 to 10000, in a suspension obtained in the first step.Type: GrantFiled: January 21, 2005Date of Patent: September 6, 2011Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Hisakazu Tanaka, Kazuo Yamamura, Yoshiki Hasegawa, Masayuki Kamei
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Patent number: 8008369Abstract: An ink set includes an ink composition including an encapsulated black pigment in which a black pigment is coated with a polymer resin.Type: GrantFiled: October 29, 2008Date of Patent: August 30, 2011Assignee: SAMSUNG Electronics Co., Ltd.Inventors: Jae-yoon Jung, Seung-min Ryu
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Patent number: 8007577Abstract: The present invention provides an ink including at least a monomer and/or an oligomer and a coloring agent, wherein the coloring agent includes 16 to 56% by mass of a pigment C.I.P.R. 254 and 4 to 14% by mass of a pigment C.I.P.R. 177 based on the solid content of the ink, 14 to 49% by mass of a pigment C.I.P.G. 36 and 6 to 21% by mass of a pigment C.I.P.Y. 150 based on the solid content of the ink, or 19 to 51% by mass of a pigment C.I.P.B. 15:6 and 1.0 to 2.7% by mass of a pigment C.I.P.V. 23 based on the solid content of the ink. The invention also provides a color filter using the ink, a method for manufacturing the color filter, and a display device provided with the color filter.Type: GrantFiled: December 20, 2006Date of Patent: August 30, 2011Assignee: FUJIFILM CorporationInventor: Hidenori Gotoh
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Patent number: 8007918Abstract: In one aspect, the invention relates to a composition comprising a cellulose ester and a high boiling plasticizer having a boiling point greater than 370° C., wherein the composition has a glass transition temperature (Tg) greater than a similar composition having triphenyl phosphate (TPP) plasticizer substituted for the high boiling plasticizer. The invention also related to articles and films made therefrom. This invention also relates to methods of making the compositions, articles and films.Type: GrantFiled: August 27, 2008Date of Patent: August 30, 2011Assignee: Eastman Chemical CompanyInventor: Darryl Aubrey Godfrey
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Patent number: 8008429Abstract: Disclosed is a thermosetting resin composition of excellent low-temperature curability comprising an oxetane compound and also disclosed is a cured article obtained therefrom. The thermosetting resin composition comprises an oxetane compound (A) containing two or more oxetane functional groups in the molecule represented by the following general formula (1) and a heteropolyacid (B) as essential components. A cured article obtained by heat curing of this composition shows excellent mechanical properties, electrical properties, adhesive properties, resistance to heat, moisture, and chemicals, and the like. In formula (1), R1 is a hydrogen atom, alkyl group of 1 to 6 carbon atoms, fluorine atom, fluoroalkyl group of 1 to 6 carbon atoms, allyl group, aryl group, aralkyl group, furyl group, or thienyl group.Type: GrantFiled: August 23, 2006Date of Patent: August 30, 2011Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Atsuhiko Katayama, Niranjan Kumar Shrestha
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Patent number: 8008386Abstract: The present invention has its object to provide a curable composition not containing any organotin type curing catalyst currently of concern because of the toxic feature thereof, or any volatile compound, excellent in curability and storage stability and, further, capable of providing cured products excellent in strength and elongation; the above object can be achieved by a curable composition which includes: an organic polymer (A) containing a hydrolyzable silyl group in a molecule; an amidine compound (B); and a compound (C) containing a sulfonyl group in a molecule.Type: GrantFiled: December 20, 2007Date of Patent: August 30, 2011Assignee: Kaneka CorporationInventors: Ayako Yano, Noriko Matsushita, Shintaro Komitsu