Nitrogen-containing Reactant Patents (Class 528/288)
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Publication number: 20110124776Abstract: The present invention relates to a continuous process for heat treatment of a particulate thermoplastic material comprising a thermoplastic semi-crystalline polymer in the solid state in a single flow-through installation comprising one or more heating zones, wherein each heating zone comprises a contact heater consisting of an array of heating plates, the granulate material is transported as a moving packed bed in the flow-through installation, the process comprises one or more heating steps and in each heating step the particulate material is heated through contact heating via the contact heater, or one of the contact heaters, and optionally a flow of inert gas is applied in one or more heating zones with a mass ratio G/M of at most 2, wherein G is the inert gas flow in kg/hour and M is the particulate material flow in kg/hour.Type: ApplicationFiled: July 7, 2009Publication date: May 26, 2011Inventor: Eric Grolman
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Publication number: 20110109855Abstract: A polyamic acid and a polyimide obtained by reacting a dianhydride and diamines. A substrate having a film of such polyimide or polyamic acid deposited thereon. A liquid crystal display containing a film of such polyimide as an alignment layer. A method for reducing the response times of a liquid crystal display and/or for improving the on-state- and off-state-transmission and/or the voltage holding ratio of a liquid crystal display, the method involving incorporating the polyimide as an alignment layer in the liquid crystal display. A method of producing a liquid crystal display involving depositing a film of the polyimide on a substrate.Type: ApplicationFiled: October 5, 2010Publication date: May 12, 2011Applicant: SONY CORPORATIONInventors: Pinar KILICKIRAN, Zakir HUSSAIN, David DANNER, Akira MASUTANI, Gabriele NELLES, Shunichi SUWA, Yuichi INOUE, Shuichi SHIMA
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Patent number: 7935779Abstract: Disclosed are processes for synthesizing polyimides by a sequential self-repetitive reaction between poly (aryl carbodiimide) (p-CDI) or aryl diisocyanates with dianhydrides.Type: GrantFiled: March 7, 2008Date of Patent: May 3, 2011Assignee: Great Eastern Resins Industrial Co., Ltd.Inventors: Shenghong A. Dai, Jiang-Jen Lin, Kuan-Liang Wei
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Publication number: 20110077379Abstract: Method for producing polyesters using titanium atrane catalysts is disclosed. Also disclosed are methods for making the titanium atrane catalysts of the present invention. The titanium atrane catalysts are useful as esterification and/or polycondensation catalysts, have similar activity, color and byproduct formation as conventional catalyst systems, but with reduced toxicity and regulatory concerns.Type: ApplicationFiled: March 23, 2009Publication date: March 31, 2011Inventors: Jens-Peter Wiegner, Volkmar Voerckel, Dietmar Runkel, Rolf Eckert
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Publication number: 20110064930Abstract: The invention relates to an optical film containing aromatic polymer which shows high solubility to solvents, and methods for production thereof. Further, the invention also relates to an optical laminate, a polarizing plate, and an image display device each using the optical film. The optical film may be attained by using polyester with a specific structure. The polyester with a specific structure may be obtained by condensation polymerization of bisphenol compound(s) and dicarboxylic acid compound(s) with biphenyl structure, and preferably has no halogen atom in its chemical structure. The optical film of the invention advantageously has not only high solubility in solvents but also a high level of heat resistance and birefringence producing capability. When the content of the biphenyl structure is high, the optical film of the invention can also have large wavelength dispersion of birefringence.Type: ApplicationFiled: November 6, 2008Publication date: March 17, 2011Applicant: NITTO DENKO CORPORATIONInventors: Tomoyuki Hirayama, Toshiyuki Iida, Yutaka Ohmori, Miyuki Kurogi, Hisae Shimizu
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Publication number: 20110045269Abstract: A component which comprises the following components: I. a top layer of a moulding compound which contains at least 50% by weight of PA613 and II. a substrate of a thermoplastic moulding compound has a surface with high scratch resistance and high chemical resistance.Type: ApplicationFiled: June 23, 2009Publication date: February 24, 2011Applicant: EVONIK DEGUSSA GmbHInventors: Roland Wursche, Sonja Bollmann, Franz-Erich Baumann, Beatrice Kueting, Kirsten Luetzeler, Andreas Pawlik, Martin Wielpuetz
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Publication number: 20110020660Abstract: The invention relates to a biodegradable polyester, particularly suitable for extrusion coating, comprising units deriving from at least a diacid and at least a diol, with long chain branches (isometric with respect to the main chains of the polyester) and essentially gel-free, characterized by optimum adhesion to paper, excellent sealability and processability in extrusion coating systems. Said biodegradable polyester is obtainable through a reactive extrusion process starting from a substantially linear polyester precursor with defined viscosity and concentration of reactive sites which allow transformation of a few chains of the polyester precursor into isometric branches of this polyester. A further object of the present invention is a laminate product composed of at least a backing, preferably paper, and of at least a first layer composed of polyester according to the invention.Type: ApplicationFiled: March 26, 2009Publication date: January 27, 2011Applicant: Novamont S.p.A.Inventors: Catia Bastioli, Angelos Rallis
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Publication number: 20110020628Abstract: Polyamide 56 filaments having a relative viscosity in sulfuric acid of 3 to 8, an Mw/Mn ratio of 1.5 to 3, a single fiber fineness of 0.1 to 7 dtex, a strength of 7 to 12 cN/dtex, a shrinkage rate of 5 to 20% after having been subjected to boiling water treatment at 98° C. for 30 minutes, a strength of 5 to 11 cN/dtex after the boiling water treatment and a stress at 10% elongation of 0.3 to 1.5 cN/dtex after the boiling water treatment.Type: ApplicationFiled: March 10, 2009Publication date: January 27, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Kousuke Fukudome, Katsuhiko Mochizuki
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Publication number: 20110009531Abstract: 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: ApplicationFiled: August 17, 2010Publication date: January 13, 2011Applicant: 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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Publication number: 20100316315Abstract: The present invention provides a member for a rolling bearing (1) which is capable of decreasing the amount of carbon dioxide generated from a polymeric member in discarding the rolling bearing, contributing to restraint or prevention of an increase in the concentration of the carbon dioxide in the atmosphere or a decrease of the concentration thereof in the atmosphere, and allows a continuous use temperature to be high and an endurance time to be long and a rolling bearing using the member. The member for the rolling bearing (1) is composed of a molding of a polymeric elastic body or a synthetic resin composition. The member is at least one member selected from among an inner ring (2), an outer ring (3), rolling elements (4), a retainer (5), and a sealing member (6). A raw material derived from a biomass is at least partially used for a producing raw material of a polymeric matrix composing the polymeric elastic body or the synthetic resin composition.Type: ApplicationFiled: February 20, 2009Publication date: December 16, 2010Applicant: NTN CORPORATIONInventors: Eiichirou Shimazu, Masaki Egami, Yoshihide Himeno, Kazutoyo Murakami
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Publication number: 20100317822Abstract: The present invention generally relates to processes for the chemocatalytic conversion of a carbohydrate source to an adipic acid product. The present invention includes processes for the conversion of a carbohydrate source to an adipic acid product via a furanic substrate, such as 2,5-furandicarboxylic acid or derivatives thereof. The present invention also includes processes for producing an adipic acid product comprising the catalytic hydrogenation of a furanic substrate to produce a tetrahydrofuranic substrate and the catalytic hydrodeoxygenation of at least a portion of the tetrahydrofuranic substrate to an adipic acid product. The present invention also includes products produced from adipic acid product and processes for the production thereof from such adipic acid product.Type: ApplicationFiled: June 11, 2010Publication date: December 16, 2010Applicant: RENNOVIA, INC.Inventors: Thomas R. Boussie, Eric L. Dias, Zachary M. Fresco, Vincent J. Murphy
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Publication number: 20100304115Abstract: Disclosed is a shape memory polyamide, produced by adding a polyvalent carboxylic acid and a polyvalent amine when polyamide is polymerized from e-caprolactam or hexamethylenediamine and adipic acid, and having an aromatic component which is introduced by one or more among the polyvalent carboxylic acid and the polyvalent amine and has a total amount ranging from 0.4 mol % to 10 mol % based on the amount of the raw material for polyamide. Also, a method of producing a shape memory polyamide fabric using the shape memory polyamide is provided. The polyamide fabric produced using the shape memory polyamide is a highly functional fabric which does not easily wrinkle and easily recovers its original shape even when wrinkled, and thus may be applied as material for various kinds of clothing.Type: ApplicationFiled: December 6, 2007Publication date: December 2, 2010Applicant: HYOSUNG CORPORATIONInventor: Chang Woo Kim
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Patent number: 7838595Abstract: The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepared in high purity and exhibit storage stability.Type: GrantFiled: January 28, 2009Date of Patent: November 23, 2010Assignee: Nektar TherapeuticsInventor: Antoni Kozlowski
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Publication number: 20100292429Abstract: The invention relates to a method for isolating 1,5-diaminopentane (DAP) from DAP-containing fermentation broths, to a method for the fermentative production of DAP using said isolating method and to a method for producing DAP-comprising polymers by using the DAP isolated or fermatively produced DAPs according to said methods.Type: ApplicationFiled: January 23, 2009Publication date: November 18, 2010Applicant: BASF SEInventors: Martin Völkert, Oskar Zelder, Burkhard Ernst, Weol Kyu Jeong
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Patent number: 7829071Abstract: The present invention is directed to bimodal polymer compositions and personal care fixatives containing bimodal polymer compositions. The present invention includes a bimodal polymer composition having a first polymer with anionic character and a second polymer with cationic character and wherein the polymers form an interpenetrating polymer network. In one embodiment, the present invention also includes personal care fixatives (e.g., health care, hygiene or cosmetic compositions) containing the bimodal polymer composition. The present invention also includes methods for forming bimodal polymer compositions.Type: GrantFiled: March 8, 2005Date of Patent: November 9, 2010Assignee: Interpolymer CorporationInventors: Norwin W. Wolff, Timothy L. Martin, Thomas L. Hiff
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Patent number: 7824666Abstract: The present invention is directed to bimodal polymer compositions and personal care fixatives containing bimodal polymer compositions. The present invention includes a bimodal polymer composition having a first polymer with anionic character and a second polymer with cationic character and wherein the polymers form an interpenetrating polymer network. In one embodiment, the present invention also includes personal care fixatives (e.g., health care, hygiene or cosmetic compositions) containing the bimodal polymer composition. The present invention also includes methods for forming bimodal polymer compositions.Type: GrantFiled: October 14, 2008Date of Patent: November 2, 2010Assignee: Interpolymer CorporationInventors: Norwin W. Wolff, Timothy L. Martin, Thomas L. Hiff
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Patent number: 7786249Abstract: This disclosure covers polymers, which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure. Some of these medical devices are implantable within a mammalian body, such as in a body lumen.Type: GrantFiled: September 9, 2008Date of Patent: August 31, 2010Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Stephen D. Pacetti
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Patent number: 7772359Abstract: This disclosure provides a method device and a method of forming the medical device. The medical device comprises a coating comprising a polymer. The polymer comprises at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure.Type: GrantFiled: September 9, 2008Date of Patent: August 10, 2010Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Stephen D. Pacetti
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Publication number: 20100190952Abstract: In a process for preparing a polyamide based on dicarboxylic acids and diamines in an extruder, a solid mixture comprising a monomer mixture composed of 50 mol % of dicarboxylic acid mixture composed of from 60 to 88 % by weight of terephthalic acid and from 12 to 40% by weight of isophthalic acid, in which up to 20% by weight of the dicarboxylic acid mixture may also be replaced by other dicarboxylic acids, and 50 mol % of hexamethylenediamine which may be up to 20% by weight replaced by other C2-30-diamines, in a corotatory twin-screw extruder for a residence time of from 10 seconds to 30 minutes, is heated to a temperature in the range from 150 to 400° C. while removing steam and if appropriate diamines through venting orifices.Type: ApplicationFiled: June 11, 2008Publication date: July 29, 2010Applicant: BASF SEInventors: Phillippe Desbois, Michael Kopietz, Ralf Neuhaus, Hagen Stawitzki, Hans-Joachim Weis, Jochen Engelmann
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Patent number: 7754846Abstract: Disclosed are thermal processes for increasing polyareneazole inherent viscosities.Type: GrantFiled: March 27, 2006Date of Patent: July 13, 2010Assignees: E. I. du Pont de Nemours and Company, Magellan Systems International, LLCInventors: Qinghong Fu Adkins, Doetze Jakob Sikkema, Steven R. Allen, David J. Rodini
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Publication number: 20100160595Abstract: Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device.Type: ApplicationFiled: March 5, 2010Publication date: June 24, 2010Inventors: Thomas P. Klun, Naiyong Jing, Richard J. Pokorny, Zai-Ming Qiu, Mark J. Pellerite, William D. Coggio, Christopher B. Walker, JR.
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Publication number: 20100152409Abstract: Triptycene derivatives and method for preparing the same are provided. The triptycene derivatives may be triptycene di-ester of the formula (I) or triptycene di-acid of the formula (II): where n=1-5.Type: ApplicationFiled: December 29, 2008Publication date: June 17, 2010Applicant: TAIWAN TEXTILE RESEARCH INSTITUTEInventors: Chin-Wen Chen, I-Pin Fu, Yu-Chi Tseng, Jye-Shane Yang, Jyu-Lun Yan
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Publication number: 20100094338Abstract: Polymers initiated with hydroxamates and compositions containing such polymers are suitable for use in making medical devices, delivery agents, coatings for such items, and the like.Type: ApplicationFiled: October 2, 2009Publication date: April 15, 2010Inventors: Joshua Stopek, Ahamd Hadba
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Patent number: 7683122Abstract: Disclosed are processes for preparing polyareneazole polymers including contacting a molar excess of a free base in water with a terephthalic acid salt to form an aqueous mixture, adjusting the pH to precipitate a monomer complex, contacting the monomer complex with metal powder, and polymerizing the monomer complex. Polyareneazoles, filaments and yarns are also disclosed.Type: GrantFiled: March 27, 2006Date of Patent: March 23, 2010Assignees: E. I. du Pont de Nemours and Company, Magellan Systems International, LLCInventors: Doetze Jakob Sikkema, David J. Rodini, Qinghong Fu Adkins, Steven R. Allen, Georg Valentin Martin, Ralf Demuth, Michael Schelhaas
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Publication number: 20100062254Abstract: Disclosed is a process for preparing polyurethane particulate and polyurethane particulate prepared therefrom. The polyurethane particulate has properties such that it is easy to control to a spherical form, the polyurethane particulate can be prepared in a desired particle size, the color thereof is stably exhibited, a washing process thereof is easy because almost no foam is generated in the washing process, and the preparation cost can be lowered because the particles do not lump and a separate grinding process is not needed, by using an inorganic suspension stabilizer in the manufacture process of the polyurethane particulate.Type: ApplicationFiled: September 13, 2007Publication date: March 11, 2010Applicant: KOLON INDUSTRIES., INC.Inventors: Chang Won Park, Young Seo Yoon
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Publication number: 20100041824Abstract: A method for producing a water absorbent resin comprises the steps of: (i) polymerizing a monomer including an unsaturated monomer containing a carboxyl group, in the presence of an internal cross-linking agent (A) having two or more radical polymerizable unsaturated groups in its single molecule and in the presence of a non-polymeric internal cross-linking agent (B) having in its single molecule two or more functional groups each of which allows formation of an ester bond or an amide bond by reacting with a carboxyl group so as to obtain a cross-linked polymer hydrogel; (ii) crushing the cross-linked polymer hydrogel obtained in the step (i); and (iii) drying crushed cross-linked polymer hydrogel products obtained in the step (ii), wherein: an amount of the internal cross-linking agent (A) is 0.01 mol % or more and 0.Type: ApplicationFiled: March 14, 2008Publication date: February 18, 2010Applicant: NIPPON SHOKUBAI CO., LTD.Inventors: Kazushi Torii, Taishi Kobayashi
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Patent number: 7662903Abstract: A thermoplastic polyimide having good processing characteristics, obtainable by polymerizing an acid component and a diamine component, wherein an aromatic tetracarboxylic acid dianhydride represented by formula (I): or its derivative is used at least as a part of the acid component.Type: GrantFiled: September 18, 2003Date of Patent: February 16, 2010Assignee: Manac Inc.Inventors: Shinsuke Inoue, Satoru Nanba, Noriyuki Kawanishi, Hiroyasu Inagaki
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Patent number: 7659360Abstract: A polyimide resin is produced by the reaction of a compound selected from 1,2,4,5-cyclohexanetetracarboxylic acid, dianhydride thereof and reactive derivatives thereof and a compound selected from diamines and diisocyanates each containing at least one phenylene group and at least one isopropylidene group. The polyimide resin is colorless and exhibits a high heat resistance, a high transparency and a low water absorption.Type: GrantFiled: December 19, 2005Date of Patent: February 9, 2010Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takashi Makinoshima, Shuta Kihara
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Publication number: 20100022090Abstract: There is provided a resist underlayer film forming composition for lithography, which in order to prevent a resist pattern from collapsing after development in accordance with the miniaturization of the resist pattern, is applied to multilayer film process by a thin film resist, has a lower dry etching rate than resists and semiconductor substrates, and has a satisfactory etching resistance relative to a substrate to be processed in the processing of the substrate. A resist underlayer film forming composition used in lithography process by a multiplayer film, comprises a polymer containing a unit structure having an aromatic fused ring, a unit structure having a protected carboxyl group or a unit structure having an oxy ring. A method of forming a pattern by use of the resist underlayer film forming composition. A method of manufacturing a semiconductor device by utilizing the method of forming a pattern.Type: ApplicationFiled: November 27, 2007Publication date: January 28, 2010Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takahiro Sakaguchi, Tomoyuki Enomoto, Tetsuya Shinjo
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Publication number: 20100009293Abstract: Antireflective coating compositions and related polymers are disclosed.Type: ApplicationFiled: July 8, 2008Publication date: January 14, 2010Inventors: Huirong Yao, Zhong Xiang, Jianhui Shan, Salem Mullen, Hengpeng Wu
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Patent number: 7638590Abstract: The invention provides a novel polyester adapted for use in a charge control agent for a toner for an electrophotographic process, having a charge stability, a high charge amount, an improved dispersibility and a biodegradability, and a producing method and an application technology therefore.Type: GrantFiled: June 24, 2005Date of Patent: December 29, 2009Assignee: Canon Kabushiki KaishaInventors: Tatsuki Fukui, Tetsuya Yano, Chieko Mihara, Shinya Kozaki, Tsutomu Honma, Takashi Kenmoku, Ako Kusakari
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Patent number: 7638592Abstract: New polyols; oligomers, and polymers made from the polyols; and binders made from the new polyols, oligomers, or polymers that can be used in binders, where the binders typically include one or more polyols, and a polyfunctional acid or a polyfunctional nitrile.Type: GrantFiled: January 16, 2008Date of Patent: December 29, 2009Assignee: Battelle Memorial InstituteInventors: Herman P. Benecke, Daniel B. Garbark, Alex W. Kawczak, Michael C. Clingerman
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Patent number: 7638262Abstract: The invention relates to an antireflective coating composition for a photoresist layer comprising a polymer, a crosslinking agent and an acid generator, where the polymer comprises at least one unit of structure 1, where, A is a nonaromatic linking moiety, R? and R? are independently selected from hydrogen, Z and W—OH, where Z is a (C1-C20) hydrocarbyl moiety and W is a (C1-C20) hydrocarbyl linking moiety, and, Y? is independently a (C1-C20) hydrocarbyl linking moiety. The invention further relates to a process for imaging the antireflective coating composition.Type: GrantFiled: August 10, 2006Date of Patent: December 29, 2009Assignee: AZ Electronic Materials USA Corp.Inventors: Hengpeng Wu, Zhong Xiang, Hong Zhuang, Jianhui Shan, Jian Yin, Huirong Yao, PingHung Lu
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Patent number: 7632914Abstract: Provided herein is a coating comprising a polymer.Type: GrantFiled: September 9, 2008Date of Patent: December 15, 2009Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Stephen D. Pacetti
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Patent number: 7622544Abstract: A method for preparing polyester/polyamide polymers, resins and plastics from proteins is disclosed. Using nitrous acid or nitrous oxide, a protein is converted to a hydroxyl carboxyl polyamide protomer. Protomers are condensed through hydroxyl and carboxyl groups to make inter-protomer ester bonds, resulting in a polyester polyamide polymer, resin or plastic.Type: GrantFiled: November 27, 2003Date of Patent: November 24, 2009Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventor: Sergei Braun
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Publication number: 20090232865Abstract: This invention relates to poly(ester amide)s (PEAs) comprising inactivated terminal amino and carboxyl groups, methods of synthesizing the inactivated PEAs and uses for them in the treatment of vascular diseases.Type: ApplicationFiled: March 23, 2009Publication date: September 17, 2009Applicant: Abbott Cardiovascular Systems Inc.Inventors: Jessica Renee DesNoyer, Stephen Dirk Pacetti, Vidya Nayak, Lothar Kleiner
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Patent number: 7537715Abstract: A polyamic ester (PAE) film, which shows an electro-optic (EO) and nonlinear optical (NLO) properties without a poling process, is prepared. The chromophore in the film seems to be slightly oriented normally to the film surface (transverse magnetic field (TM) direction even though the polymer solution is spin-coated. This is due to the nano-configuration structure of PAE controlled by introducing a designed chemical structure into the monomeric repeating unit of PAE. Manufacturing the relating devices can be simplified by using the self-poled polymer film as a polymer waveguide. Additionally, the EO property of the film is thermodynamically stable.Type: GrantFiled: October 14, 2005Date of Patent: May 26, 2009Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Koo Park, Jung Jin Ju, Suntak Park, Min-su Kim, Myung-Hyun Lee
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Publication number: 20090107644Abstract: The instant invention relates to certain cross-linked polyamides and their use in the paper and board industry for improving dry strength. The polyamide from the reaction of a di- or tri-primary amine with a di- or tri- or tetra carboxylic acid is further reacted with a di- or tri-functional cross-linking compound to give a cationic or anionic product with no reactive groups.Type: ApplicationFiled: December 7, 2006Publication date: April 30, 2009Inventors: John Stuart Cowman, Adrian Fox, Andrew Mottram, Paul Dekock
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Patent number: 7514526Abstract: The present invention discloses a process for the preparation of a stabilized polyester that is low in the generation of aldehydes which comprises reacting one or more diacids with one or more diols in an esterification process, and/or one or more diesters with one or more diols in a transesterification process in the presence of an effective amount of a stabilizer selected from the group consisting of (a) a polyhydric alcohol which is for example poly(ethylene-co-vinyl alcohol), poly(styrene-co-allyl alcohol), maltitol, isomalt, sorbitol, xylitol, sucrose, mucic acid dibutylester, mucic acid di(phenyl-1-ethyl)ester, pentaerythritol or dipentaerythritol; (b) a compound of the formula II which is for example di-iso-octyl-phosphinic acid; (c) a sterically hindered amine which is for example Tinuvin 123 or Tinuvin 622; (d) a polyacrylamide, an anionic acrylic polymer or a cationic acrylamide copolymer; or (e) a hydroxylamine and/or a nitrone.Type: GrantFiled: February 7, 2006Date of Patent: April 7, 2009Assignee: Ciba Specialty Chemicals Corp.Inventors: Dirk Simon, Dario Lazzari, Stephen Mark Andrews, Heinz Herbst
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Patent number: 7510811Abstract: A toner for developing an electrostatic image of the present invention contains toner particles obtained by forming coagulated particles by mixing a resin particle dispersion solution containing dispersed resin particles and a coloring agent dispersion solution containing dispersed coloring agent particles and fusing the coagulated particles by heating them and is characterized in that at least the surfaces of the toner particles have a chemical structure formed by reaction with a compound having a carbodiimido group. The invention also provides a resin particle dispersion solution to be used for the production of toner.Type: GrantFiled: December 14, 2005Date of Patent: March 31, 2009Assignee: Fuji Xerox Co., Ltd.Inventors: Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Yuki Sasaki, Fumiaki Mera
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Patent number: 7511081Abstract: The present invention relates to a recycling method of a mixed waste of polyester and polyamide (hereinafter, referred to as “mixed waste”) in which polyesters including polyethylene terephthalate and polyamides are inseparable from one another. In accordance with the recycling method of the present invention, it is possible to prepare a solid block polymer having an acid value of 1 to 150 mgKOH/g, a weight average molecular weight of 3,000 to 50,000 and a softening point of 10 to 150° C., or a liquid polyester-amide block polymer composition having good compatibility, solubility and dispersibility. In addition, the polymer having an acid value of more than 20 mgKOH/g is reacted with a basic compound to form a neutralized salt which is then used to prepare a water-soluble polyester-amide block polymer composition.Type: GrantFiled: March 24, 2005Date of Patent: March 31, 2009Inventors: Do-Gyun Kim, Hyo-Sung Kim
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Patent number: 7501373Abstract: Embodiments of the present invention are directed to a polymerization catalyst used to produce polyester. The catalyst comprises at least one metal-containing component, excluding antimony or germanium, and an organic compound component, containing at least one moiety of Ar—O— or Ar—N<, where Ar represents an aryl group.Type: GrantFiled: October 25, 1999Date of Patent: March 10, 2009Assignee: Toyo Boseki Kabushiki KaishaInventors: Takahiro Nakajima, Shoichi Gyobu, Hiroaki Taguchi
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Patent number: 7491792Abstract: Moldings can be produced from a polymer powder containing at least one block polyetheramide containing an oligoamide dicarboxylic acid and a polyetheramine; wherein the powder is suitable for use in a layer-by-layer process in which regions of a powder layer are selectively melted via introduction of electromagnetic energy.Type: GrantFiled: February 17, 2006Date of Patent: February 17, 2009Assignee: Degussa AGInventors: Sylvia Monsheimer, Franz-Erich Baumann, Maik Grebe, Ulrich Simon, Sigrid Hessel
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Patent number: 7465779Abstract: A novel polyhydroxyalkanoate having a reactive functional group in a molecule, and a production method thereof, etc. are provided. By utilizing the vinyl group of polyhydroxyalkanoate which contains a unit having a vinyl group on a side chain, a polyhydroxyalkanoate which contains a carboxyl group and a unit having an amide group and a sulfonic acid group in a molecule is derived.Type: GrantFiled: June 9, 2005Date of Patent: December 16, 2008Assignee: Canon Kabushiki KaishaInventors: Takashi Kenmoku, Tatsuki Fukui, Chieko Mihara, Ako Kusakari, Tetsuya Yano
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Publication number: 20080300360Abstract: Water-entrained compositions comprising colloidal or suspensoidal solutions comprising polyimide pre-polymers/oligomers are described. These compositions are obtained in water by initial dispersion of the resin constituents in water to from colloids or suspensoids. The water-entrained polyimide compositions can be applied to numerous surfaces or more beneficially used for composite fabrication. The coated surfaces or polyimide-pre-polymer impregnated reinforcing materials are subsequently cured and are ideal for providing thermal protection.Type: ApplicationFiled: May 31, 2007Publication date: December 4, 2008Inventors: Hyman Ralph Lubowitz, Thomas Karl Tsotsis
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Publication number: 20080287602Abstract: The invention provides aqueous resin emulsion containing a resin obtained by reaction of a composition containing at least: at least one polyhydric alcohol having at least two hydroxyl groups, at least one polyetherpolyol having a molecular weight of 400 to 8000 g/mol, at least one monobasic carboxylic acid, and at least one polybasic carboxylic acid having at least two carboxyl groups or its anhydride, to form a resin and the resin emulsion is modified by providing basic groups. The invention further relates to a process for preparing a resin, to a resin as obtained by the process and to a coating film obtained from the resin emulsion.Type: ApplicationFiled: April 25, 2006Publication date: November 20, 2008Applicant: Ashland-Sudchemie-Kernfest GmbHInventors: Peter Kuhlmann, Reinhard Winter, Kurt Holzhauser
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Publication number: 20080279795Abstract: A polyesteramine comprises at least one tertiary amine group, at least one ester linkage and at least one alkyl chain. It is produced by reacting at least one tertiary amine functional polyol, at least one polyfunctional carboxylic acid and at least one monofunctional carboxylic acid or monofunctional alcohol. The polyesteramine can be used in cosmetic and lubricant applications as a result of its substantivity and lubricity properties.Type: ApplicationFiled: July 25, 2008Publication date: November 13, 2008Inventors: Rocco Vincent Burgo, Diana Louise Smith, Hor P. Ching
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Publication number: 20080257216Abstract: The present invention relates to new urethane (meth)acrylates, their methods of preparation and coating compositions comprising said urethane (meth)acrylates.Type: ApplicationFiled: April 20, 2007Publication date: October 23, 2008Applicant: PPG INDUSTRIES OHIO, INC.Inventor: Jean-Pierre Ravyst
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Patent number: 7435788Abstract: This disclosure covers polymers, some of which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure. Some of these medical devices are implantable within a mammalian body, such as in a body lumen.Type: GrantFiled: December 19, 2003Date of Patent: October 14, 2008Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Stephen D. Pacetti
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Patent number: RE41588Abstract: An improved thickening composition for organic systems, including paints and coatings, is described. The additive provides paints and coatings more than adequate viscosity improvement without affecting intercoat adhesion characteristics. REEXAMINATION RESULTS The questions raised in reexamination request no. 90/007130, filed Jul. 21, 2004, have been considered and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U. S. C. 307 as provided in 37 CFR 1.570(e), for ex parte reexamination, or the reexamination certificate required by 35 U. S. C. 316 as provided in 37 CFR 1.997(e) for inter partes reexamination.Type: GrantFiled: September 9, 2004Date of Patent: August 24, 2010Assignee: Elementis Specialties, Inc.Inventors: Mahalingam Santhanam, Wilbur S. Mardis