Solid Polymer Derived From Reactant Containing Ethylenic Unsaturation Patents (Class 525/421)
  • Patent number: 11061282
    Abstract: According to the present invention, a liquid crystal aligning agent is configured to contain a polymer (P) which has at least one partial structure selected from the group consisting of a partial structure represented by formula (1) and a partial structure represented by formula (2). In formula (1) and formula (2), X1 represents a tetravalent organic group that has a cyclobutane ring structure, while having at least one substituent in the ring portion of the cyclobutane ring; X2 represents a divalent organic group of a specific structure which has an aliphatic structure and a divalent nitrogen-containing heterocyclic group; and each of R5 and R6 independently represents a hydrogen atom or a monovalent organic group having 1-6 carbon atoms.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: July 13, 2021
    Assignee: JSR CORPORATION
    Inventors: Takuya Murakami, Nobuo Yasuike, Ryou Suhara
  • Patent number: 9914833
    Abstract: This invention relates to a biodegradable polymer composition which is particularly suitable for use in the manufacture of articles having a high heat deflection temperature (HDT) by injection molding and thermoforming.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: March 13, 2018
    Assignee: NOVAMONT S.P.A.
    Inventors: Nicola Marini, Angelos Rallis
  • Patent number: 9815928
    Abstract: Binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated compound having two or more unsaturated carbon-carbon bonds and at least one free radical precursor. At least one of the unsaturated carbon-carbon bonds can be a pi-bond that is not conjugated with an aromatic moiety and can be capable of free radical addition. The free radical precursor can be present in an amount of about 7 wt % to about 99 wt %, based on the weight of the one or more unsaturated compounds.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: November 14, 2017
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Bobby L. Williamson, Adam K. Sniady, Brian L. Swift, Ramji Srinivasan, Feng Jing, Cornel Hagiopol
  • Patent number: 9193830
    Abstract: Provided are low-melt polyimides and poly(amic acids) (PAAs) for use in repair of electrical wire insulation, flat or ribbon wire harnesses, and flat surfaces comprised of high-performance polymers such as inflatables or solar panels applications. Also provided are methods and devices for repair of electrical insulation.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: November 24, 2015
    Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Scott T. Jolley, Tracy L. Gibson, Martha K. Williams, Clyde F. Parrish, Steven L. Parks
  • Patent number: 9040648
    Abstract: The present invention relates to a polymer composition that includes a polymer having at least one polymer segment represented by the following Formula (I), With reference to Formula (I): M independently for each w is a residue of a monomer; ? is a residue of a mechanochromic compound having at least two reactive groups that are each independently bonded to one monomer residue M; w, independently for each z, is an integer of at least 1; and z is an integer of at least 2.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 26, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Cynthia Kutchko, Matthew J. Kryger
  • Patent number: 8986846
    Abstract: A thermosetting oligomer or thermosetting polymer is provided. The thermosetting oligomer or thermosetting polymer contains repeating units, each of which has at least one thermosetting functional group in the side chain and is represented by Formula 1: where repeating units include X1, A1, and Y1 subunits, sidechain units include linking unit L and thermosetting functional group Z, and n is an integer from 1 to 4. The thermosetting oligomer or thermosetting polymer has a low coefficient of thermal expansion and high or no glass transition temperature, stiffness, processability, heat resistance and mechanical properties. The thermosetting oligomer or thermosetting polymer is highly soluble, wettable and dimensionally stable and is suitable for use in films, prepregs and printed circuit boards. Further provided are a thermosetting resin composition including the thermosetting oligomer or thermosetting polymer and a printed circuit board using the composition.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: March 24, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Jun Lee, Mahn Jong Kim, Kwang Hee Kim
  • Publication number: 20150057339
    Abstract: The polymeric carrier for delivering nucleic acid material to a cell is provided herein. The polymeric carrier can include a dendrimer group having 2 to 8 termini, each of the termini having an arginine-grafted bioreducible polymer attached thereto. In one embodiment, only a portion of the termini can have an arginine-grafted bioreducible polymer attached thereto.
    Type: Application
    Filed: January 18, 2013
    Publication date: February 26, 2015
    Inventors: Sung Wan Kim, Hye Yeong Nam, Kihoon Nam, David A. Bull
  • Patent number: 8962710
    Abstract: It is proposed a new fluid loss control agent useful for the cementation of oil or gas wells. This fluid loss control agent consists of a mixture of a styrene-butadiene latex and a high molecular weight water-soluble polymer such as a copolymer AMPS-Am. The addition of the water-soluble polymer allows drastic reduction of the quantity of latex required to achieve fluid loss control performance and even gas migration control.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: February 24, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Michel Michaux, Bruno Drochon, Sylwia Komocki
  • Publication number: 20150030854
    Abstract: The present invention relates to a vitamin B6-coupled poly(ester amine) (VBPEA) as a gene carrier and a method for preparing the gene carrier. Moreover, the present invention relates to a gene delivery complex comprising a therapeutic gene coupled to the gene carrier and a pharmaceutical formulation for gene therapy, which comprises the gene delivery complex as an active ingredient. In addition, the present invention relates to gene therapy utilizing the gene carrier, the gene delivery complex or the pharmaceutical formulation. The VBPEA of the invention has a significantly high gene delivery rate compared to existing gene carriers and a complex of the VBPEA with DNA has little or no cytotoxicity and shows a very high in vivo transfection efficiency. In addition, a complex of the VBPEA with siRNA shows high gene silencing efficiency and can induce a high rate of cell death and the inhibition of cell proliferation in cancer cells, suggesting that it can be used for anticancer gene therapy.
    Type: Application
    Filed: February 17, 2014
    Publication date: January 29, 2015
    Inventors: Jong Hoon Chung, Shambhavi Pandey, Pankaj Garg, Pill Hoon Choung
  • Publication number: 20150031836
    Abstract: There is provided a gypsum dispersant and a gypsum additive that improve the fluidity of gypsum slurry even if gypsum raw materials used are different in quality and that do not induce delay of curing of gypsum slurry. A gypsum dispersant, including: (A) a polycarboxylic acid polymer; and (B) a polyamide polyamine obtained by a reaction of a polyalkylene polyamine and a dibasic acid as essential components, and/or an alkylene oxide adduct of the polyamide polyamine.
    Type: Application
    Filed: March 14, 2013
    Publication date: January 29, 2015
    Inventors: Akira Ikeda, Seiichi Koshisaka, Katsutoshi Sato
  • Patent number: 8927651
    Abstract: A high-viscosity polyamide composition including a branched polyamide is described. Also described, is a relationship between a high-viscosity polyamide composition and a composition including a copolyamide of a statistical tree type resulting from a reaction between a multifunctional monomer including at least three reactive functions in order to form an amide function. Further described, are three reactive functions of two different types and bifunctional monomers used in the manufacture of linear polyamides. A resulting copolyamide can have a very low melt flow index relative to the linear polyamide and improved impact resistance properties. Lastly, use of such a composition for extrusion blow-molding articles is described.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: January 6, 2015
    Assignee: Rhodia Operations
    Inventors: Magali Davezac, Wojciech Bzducha
  • Patent number: 8889807
    Abstract: The present invention relates to controlled radical polymerization (CRP) initiators that include at least one radically transferable group. The CRP initiators include at least one of the following, (a) a spirooxazine compound represented by the following Formula (I), and (b) an indenonaphthopyran represented by the following Formula (II), One or more of R1, R2, R3, R4, R5, and R6 of the spirooxazine, and one or more of R7, R8, R9, R10, B, and B? independently include the radically transferable group. The present invention also relates to polymers, such as mechanochromic polymers, that are prepared from such CRP initiators, polymer compositions that include such polymers, and mechanochromic articles that include such polymer compositions.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 18, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Cynthia Kutchko, Matthew J. Kryger
  • Publication number: 20140228523
    Abstract: Disclosed is a method for preparing a semi-furanic copolyamide containing at least one furanic dicarboxylic acid moiety and at least one aliphatic diamine moiety in the backbone. The method is based on solid-state polymerization. Particularly, the method uses a biomass-derived furanic dicarboxylic acid as a raw material. A semi-furanic copolyamide prepared by the method has molecular weight and color levels that are practically required in industrial applications. In addition, the semi-furanic copolyamide can replace fossil fuels due to its good thermal stability and is suitable for use as an environmentally friendly bioplastic.
    Type: Application
    Filed: May 14, 2013
    Publication date: August 14, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jaehoon KIM, Jong Min PARK, Hong Shik LEE, Endah YOHANA KURNIA
  • Patent number: 8772418
    Abstract: Disclosed are novel cross-linkable end-cappers for oligo- and polyamides. End-capped oligo- and polyamides comprising such an end-capper may be cured at a lower temperature compared to oligo- and polyamides end-capped with PEPA.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: July 8, 2014
    Assignee: Nexam Chemical AB
    Inventors: Daniel Rome, David Persson, Erik Lager, Dane Momcilovic, Malin Knutsson, Jan-Erik Rosenberg
  • Patent number: 8772375
    Abstract: A composition suitable for forming a paint marking on a roadway comprises a polyfunctional acrylate having at least four acrylate groups, an epoxy component and a polyfunctional amine. The polyfunctional acrylate reacts with the polyfunctional amine to form an adduct with secondary amine groups. The secondary amine reacts with the epoxy component to yield a chemically high crosslinked material having a no track time of less than about five minutes.
    Type: Grant
    Filed: February 19, 2011
    Date of Patent: July 8, 2014
    Inventor: Ling Tan
  • Publication number: 20140187727
    Abstract: The present invention describes the dihydrate of 1,2-cyclohexanediaminplatinum(II)-bis-(4-methylbenzenesulfonate), a method for producing 1,2-cyclohexanediaminplatinum(II)-bis-(4-methylbenzenesulfonate) and the hydrates thereof, and the use of 1,2-cyclohexanediaminplatinum(II)-bis-(4-methylbenzenesulfonate) and of the hydrates thereof.
    Type: Application
    Filed: December 4, 2013
    Publication date: July 3, 2014
    Applicant: HERAEUS PRECIOUS METALS GMBH & CO. KG
    Inventors: Steffen JOST, Christian BRANDES, Holger RAUTER, Silvia WERNER, Stefanie SCHMENGLER
  • Publication number: 20140166586
    Abstract: Lysine-based polymers, particularly copolymers of lysine and maleic acid, are useful as coagulants for clarification of wastewaters, including produced waters from oils sands mining operations. They can be advantageously used in combination with commercial coagulants, and in combination with flocculants. Such combinations may include dry blends. Also described are methods of preparation of lysine homopolymers and copolymers.
    Type: Application
    Filed: April 28, 2011
    Publication date: June 19, 2014
    Inventor: C. Steven Sikes
  • Publication number: 20140158410
    Abstract: A polyimide is formed by dehydrating a polyamic acid. The polyamic acid is formed by polymerizing a diamine and a fluorine dianhydride. The diamine is 2,2?-bis[4-(4-aminophenoxy) phenyl] propane, and the fluorine dianhydride is 2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride. When a color of the polyimide is defined by Lab color space, b component is set from about ?10 to about +10. The disclosure further relates to a copper-clad laminate, a flexible printed circuit, and a method for manufacturing the flexible printed circuit.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 12, 2014
    Applicant: ZHEN DING TECHNOLOGY CO., LTD.
    Inventor: MING-JAAN HO
  • Publication number: 20140155556
    Abstract: This invention relates to adhesive systems using imines and salts thereof, precursors to electron deficient olefins and coreactants therefor.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Applicant: Henkel IP & Holding GmbH
    Inventors: Ciaran B. McArdle, Ligang Zhao
  • Publication number: 20140072513
    Abstract: The present invention relates to degradable polyacetal polymers having a C(O)—(CH2CH2O)n—R5 or a saccharide attached to amine radical of the backbone of the polymer, their polymer-active agent conjugates and their preparation processes, to compositions, and hydrogels containing them, as well as their use in therapy, diagnostic imaging and cosmetics.
    Type: Application
    Filed: April 3, 2012
    Publication date: March 13, 2014
    Inventor: Oscar Peña Gulin
  • Publication number: 20140023590
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Application
    Filed: August 11, 2011
    Publication date: January 23, 2014
    Applicant: The Board of Regents of the University of Texas System
    Inventors: Jinming Gao, David Boothman, Kejin Zhou, Xiaonan Huang, Yiguang Wang
  • Patent number: 8586020
    Abstract: Provided are a use of chemically-crosslinkable, poly(organophosphazene)s for biomaterials, chemically-crosslinkable poly(organophosphazene)s with a physiologically active substance covalently-bonded thereto, a use thereof for biomaterials, and a process for preparing the same. The chemical crosslinkings can be made by UV irradiation, and/or a crosslinker, and/or an additive, and/or an enzyme, and/or a mixing of at least one polymer.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: November 19, 2013
    Assignee: Korea Institute of Science and Technology
    Inventors: Soo-Chang Song, Thrimoorthy Potta, Mi-Ran Park
  • Publication number: 20130288337
    Abstract: A method for releasing viruses includes the steps of: preparing a first negatively charged complex, comprising a plurality of viruses, a plurality of polyethyleneimine particles, and a copolymer; transferring the complex to an acidic region, thereby transforming the complex into a positively charged complex to release a portion of the viruses in the acidic region; and transferring the complex to a non-acidic region, thereby transforming the positively charged complex into a negatively charged complex. One embodiment of the copolymer has the following chemical formula: wherein R1 represents aliphatic compounds or aromatic compounds, and R2 includes at least one negatively charged group.
    Type: Application
    Filed: April 30, 2012
    Publication date: October 31, 2013
    Inventors: Yeu Kuang HWU, SJA TSENG
  • Publication number: 20130274412
    Abstract: The present invention relates to a polymer composition that includes a polymer having at least one polymer segment represented by the following Formula (I), With reference to Formula (I): M independently for each w is a residue of a monomer; ? is a residue of a mechanochromic compound having at least two reactive groups that are each independently bonded to one monomer residue M; w, independently for each z, is an integer of at least 1; and z is an integer of at least 2.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 17, 2013
    Inventors: Charles R. Hickenboth, Cynthia Kutchko, Matthew J. Kryger
  • Patent number: 8557912
    Abstract: An aromatic vinyl-based thermoplastic resin composition includes a rubber-modified acrylic graft copolymer and a branched aromatic vinyl copolymer resin including a silicon compound.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: October 15, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Jin Hwa Chung, Kee Hae Kwon, Il Jin Kim, Kwang Soo Park, Ja Kwan Koo
  • Patent number: 8557928
    Abstract: A liquid crystal alignment agent is provided that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. In Chemical Formulae 1 and 2, each X1, X2, Y1 and Y2 is the same as in the detailed description.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 15, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Eun-Ha Kim, Myoung-Youp Shin, Jae-Deuk Yang, Yong-Sik Yoo, Guk-Pyo Jo, Jung-Gon Choi
  • Publication number: 20130211003
    Abstract: There is described a process for producing a gel free hyperbranched polyamide polymer having primary amino groups (useful as a crosslinker). The process comprises the step of reacting at least one diamine and at least one unsaturated diester in a molar ratio of diamine to diester greater than 1 but less than 3 (preferably 2.1 to 2.9); to form the polyamide in a two stage reaction Michael addition and then amidation. The diamine in kept in excess with at least 5% of water by total weight of the diamine and diester, a reaction temperature less than the boiling point of the diamine; and is held under reduced pressure (30 mbar to 1 atms). Gelation does not occur even after substantially all ethylenic (—C?C—) double bonds; and >95% ester [—C(O)?O] groups have reacted. This violates the Flory rules which predict a gel would form based on the number of functional groups present and their degree of conversion.
    Type: Application
    Filed: December 21, 2010
    Publication date: August 15, 2013
    Inventors: Joseph Petronella Friederichs, Jacobus Adriaan Antonius Vermeulen, Marco Marcus Matheus Driessen
  • Patent number: 8492507
    Abstract: Disclosed is an acetylenic polyamide and a composition comprising said acetylenic polyamide, which acetylenic polyamide. Said acetylenic group is suitably obtained by subjecting at least one acetylenic compound to reaction with either at least one polyamide, or at least one amino functional monomer and/or carboxylic acid, yielding a corresponding acetylenic amide monomer, oligoamide or polyamide. Amide monomers and/or oligoamides can subsequently be used in production of the acetylenic polyamide.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: July 23, 2013
    Assignee: Nexam Chemical AB
    Inventors: Jan-Erik Rosenberg, David Persson, Elisbeth Kiraly, Mehrnoush Jowkar Deriss
  • Publication number: 20130172494
    Abstract: The present invention provides a polyimide precursor composition comprising a polyimide precursor and a thermal base generator having the structure of formula (1): wherein R1, R2, R3, R4, R5 and Y? are as defined in the specification. The present invention also provides a polyimide prepared from the aforementioned precursor composition, and a preparation method thereof.
    Type: Application
    Filed: December 21, 2012
    Publication date: July 4, 2013
    Applicant: Eternal Chemical Co., Ltd.
    Inventor: Eternal Chemical Co., Ltd.
  • Publication number: 20130165598
    Abstract: Disclosed are a liquid crystal photoalignment agent, a liquid crystal photoalignment film using the same, and a liquid crystal display including the liquid crystal photoalignment film. The liquid crystal photoalignment agent includes a polymer including polyamic acid including a repeating unit represented by Chemical Formula 1, polyimide including a repeating unit represented by Chemical Formula 2, or a combination thereof, or includes a first polymer including polyamic acid including a repeating unit represented by Chemical Formula 5, polyimide including a repeating unit represented by Chemical Formula 6, or a combination thereof; and a second polymer including polyamic acid including a repeating unit represented by Chemical Formula 7, polyimide including a repeating unit represented by Chemical Formula 8, or a combination thereof, wherein Chemical Formulae 1, 2 and 5 to 8 are the same as defined in the detailed description.
    Type: Application
    Filed: August 22, 2012
    Publication date: June 27, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Yong-Sik YOO, Jae-Deuk YANG, Guk-Pyo JO
  • Publication number: 20130158208
    Abstract: Disclosed are a liquid crystal alignment agent, a liquid crystal alignment film manufactured using the same, and a liquid crystal display including the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer comprising a polyamic acid including a repeating unit represented by Chemical Formula 1, polyimide including a repeating unit represented by Chemical Formula 2, or a combination thereof: wherein Y1 and Y2 are each independently a divalent organic group derived from diamine, wherein the diamine includes photodiamine represented by Chemical Formula 3 and functional diamine represented by Chemical Formula 5: and wherein the other substituents are the same as defined in the detailed description.
    Type: Application
    Filed: August 22, 2012
    Publication date: June 20, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae-Deuk YANG, Yong-Sik YOO, Guk-Pyo JO
  • Publication number: 20130140532
    Abstract: The present invention relates to a polymer memory device and to a production method for the same, and relates to a novel photocrosslinkable polymer compound able to be used in a polymer memory device, to a novel non-volatile memory device in which an active layer between an upper electrode and a lower electrode comprises a photocrosslinkable polyimide polymer, and to a production method for the same. In the polymer memory device, the photocrosslinkable polyimide polymer is used as an active layer.
    Type: Application
    Filed: March 31, 2011
    Publication date: June 6, 2013
    Inventors: Moonhor Ree, Samdae Park, Suk Gyu Ham, Jin Chul Kim, Yong-gi Ko, Jun Man Choi, Taek Joon Lee, Dong Min Kim, Kyungtae Kim, Wonsang Kwon
  • Publication number: 20130136714
    Abstract: PEO-PPO-PEO polymers and vinyl monomers are used to prepare several block copolymers via consecutive atom transfer radical polymerization (ATRP). The block copolymers provide good delivery characteristics and can be used as a gene/drug delivery carrier for therapy and diagnosis.
    Type: Application
    Filed: August 10, 2012
    Publication date: May 30, 2013
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Li-Fang Wang, Shih-Jer Huang, Zhi-Rong Hsu
  • Publication number: 20130123144
    Abstract: Polymer compositions having the chemical structure: as well as monomer compositions for producing said polymers are described. Methods for preparing these polymers and combinatorial libraries of these polymers are also described.
    Type: Application
    Filed: May 6, 2011
    Publication date: May 16, 2013
    Applicant: CORNELL UNIVERSITY
    Inventors: David Putnam, Lihong Huang
  • Publication number: 20130095272
    Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising 2,5-furandicarboxylic acid residues; optionally, aromatic dicarboxylic acid residues and/or modifying aliphatic dicarboxylic acid residues, 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and ethylene glycol. The polyesters may be manufactured into articles such as fibers, films, bottles, coatings, or sheets.
    Type: Application
    Filed: October 10, 2012
    Publication date: April 18, 2013
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventor: EASTMAN CHEMICAL COMPANY
  • Patent number: 8362151
    Abstract: The present invention provides novel hybrid polymer useful for alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention are prepared from a) at least one component selected from the group consisting of oligomer(s) and polymer(s) within the class of polyimides, poly(amic acids) and esters thereof wherein the at least one component comprises at least one initiator generating moiety, and b) at least one component selected from the group consisting of addition monomer(s) and addition polymer(s), wherein the two components are covalently bonded to form a copolymer. The invention further describes liquid crystal elements such as all liquid crystal display products or modes, liquid crystal devices and liquid crystal optical films comprising the novel hybrid polymer alignment layers.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: January 29, 2013
    Assignee: Elsicon, Inc.
    Inventors: Chunhong Li, Wayne Gibbons
  • Publication number: 20130004455
    Abstract: Provided are a use of chemically-crosslinkable, poly(organophosphazene)s for biomaterials, chemically-crosslinkable poly(organophosphazene)s with a physiologically active substance covalently-bonded thereto, a use thereof for biomaterials, and a process for preparing the same. The chemical crosslinkings can be made by UV irradiation, and/or a crosslinker, and/or an additive, and/or an enzyme, and/or a mixing of at least one polymer.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: Korea Institute of Science and Technology
    Inventors: Soo-Chang SONG, Thrimoorthy Potta, Mi-Ran Park
  • Publication number: 20130004679
    Abstract: A diamine compound of formula (I) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 3, 2013
    Applicant: ROLIC AG
    Inventors: Thomas BACHELS, Zoubair Mohammed CHERKAOUI, Guy MARCK, Olivier MULLER, Joachim REICHARDT, Andreas SCHUSTER, Hubert SEIBERLE, Peggy STUDER, Thomas PEGLOW, Jean-Francois ECKERT
  • Patent number: 8337982
    Abstract: A benzoxazole resin precursor comprising a first repeating unit which is obtained by the reaction of a bisaminophenol compound and a dicarboxylic acid compound, at least one of which has the diamondoid structure; a benzoxazole resin precursor further comprising a second repeating unit which is obtained by the reaction of a bisaminophenol compound having no diamondoid structure and a dicarboxylic acid compound having no diamondoid structure; a polybenzoxazole resin obtained by the ring-closing reaction with dehydration of the above benzoxazole resin precursor; a resin film constituted with the benzoxazole resin precursor or the polybenzoxazole resin. A polybenzoxazole resin and a resin film having excellent heat resistance and a small permittivity and a semiconductor device using the resin film can be obtained from the benzoxazole resin precursor.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: December 25, 2012
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Takashi Enoki, Atsushi Izumi
  • Publication number: 20120315476
    Abstract: An adhesive composition includes 100 parts by weight of a (meth)acrylate copolymer including 0 to less than 0.5 parts by weight of a carboxyl group containing monomer, 0.6 to 9 parts by weight of a hydroxyl group containing (meth)acrylic monomer, and 90.5 to 99.4 parts by weight of a (meth)acrylic acid ester monomer, and having a weight average molecular weight of 100,000 g/mol to less than 1,000,000 g/mol; and 0.1 to 5 parts by weight of a carbodiimide cross-linking agent.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 13, 2012
    Inventors: Hiroshi OGAWA, Tatsuhiro Suwa, Cheong Hun Song
  • Publication number: 20120316294
    Abstract: An adhesive composition includes 100 parts by weight of a (meth)acrylate copolymer having a weight average molecular weight of 1,000,000 to 2,000,000 g/mol; and 0.05 to 5 parts by weight of a carbodiimide cross-linking agent.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 13, 2012
    Inventors: Hiroshi OGAWA, Tatsuhiro Suwa, Cheong Hun Song
  • Publication number: 20120287390
    Abstract: Disclosed is a liquid crystal alignment agent that includes a polymer comprising polyamic acid including a structural unit represented by the following Chemical Formula 1, polyimide including a structural unit represented by the following Chemical Formula 2, or a combination thereof. In Chemical Formulas 1 and 2, each X1, X2, Y1 and Y2 is the same as in the detailed description.
    Type: Application
    Filed: January 19, 2012
    Publication date: November 15, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Eun-Ha KIM, Jae-Deuk YANG, Yong-Sik YOO, Myoung-Youp SHIN, Guk-Pyo JO
  • Patent number: 8309627
    Abstract: A protective polymeric coating is applied to the surface of various objects which are to be exposed to a harsh environment. The protective polymeric coating covers the exposed surface, where the polymeric coating includes a polyimide polymer. The polyimide polymer in the polymeric coating has a backbone with at least one non-terminal phenyl group. A linkage is connected to the non-terminal phenyl group, where the linkage can be an amide linkage or an ester linkage. An oligomeric silsesquioxane compound is connected to the linkage through an organic substituent, where the oligomeric silsesquioxane is not incorporated into the polymer backbone. The polymeric coating provides protection to the underlying object.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: November 13, 2012
    Assignee: NeXolve Corporation
    Inventors: Garrett Poe, Brandon Farmer
  • Patent number: 8288484
    Abstract: A cross-linked metal-containing polyamic acid includes a metal and a cross-linked polyamic acid which is a condensation product of an acid anhydride represented by Formula 1 and a diamine compound: where the group comprises a C5-C20 carbocycle having a cross-linkable functional group or a C4-C20 heterocycle having a cross-linkable functional group. A cross-linked metal-containing polyimide, a method of manufacturing the cross-linked metal-containing polyimide, a polyimide film including the cross-linked metal-containing polyimide, and a method of making the polyimide film are disclosed.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: October 16, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-hee Sohn, Sang-mo Kim
  • Patent number: 8268926
    Abstract: Particle-toughened polymer compositions include a base polymer formulation and a plurality of toughening particles. In certain embodiments, the base polymer formulation includes bismaleimides or other polymer resins capable of high temperature service. A first plurality of toughening particles may include core shell rubbers. A second plurality of toughening particles may be selected from a variety of polymer compositions, including polyimides, polyether ketone (PEK), polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether imide, polyether sulfones, and polyphenylene oxide. It is found that increasing concentration of the core shell rubbers may improve the toughness of the composition while preserving thermal properties of the composition, such as glass transition temperature.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: September 18, 2012
    Assignee: Cytec Technology Corp.
    Inventors: Mark Richard Bonneau, Jack Douglas Boyd, Gordon T. Emmerson, Scott D. Lucas, Stephen J. Howard, Spencer Donald Jacobs
  • Publication number: 20120214908
    Abstract: A composition suitable for forming a paint marking on a roadway comprises a polyfunctional acrylate having at least four acrylate groups, an epoxy component and a polyfunctional amine. The polyfunctional acrylate reacts with the polyfunctional amine to form an adduct with secondary amine groups. The secondary amine reacts with the epoxy component to yield a chemically high crosslinked material having a no track time of less than about five minutes.
    Type: Application
    Filed: February 19, 2011
    Publication date: August 23, 2012
    Inventor: Ling Tan
  • Publication number: 20120190801
    Abstract: A liquid crystal alignment agent is provided that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. In Chemical Formulae 1 and 2, each X1, X2, Y1 and Y2 is the same as in the detailed description.
    Type: Application
    Filed: September 23, 2011
    Publication date: July 26, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Eun-Ha KIM, Myoung-Youp SHIN, Jae-Deuk YANG, Yong-Sik YOO, Guk-Pyo JO, Jung-Gon CHOI
  • Publication number: 20120172540
    Abstract: Disclosed is a liquid crystal alignment agent that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. In Chemical Formulae 1 and 2, X1, X2, Y1 and Y2 are the same as defined in the detailed description.
    Type: Application
    Filed: September 21, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae-Deuk YANG, Eun-Ha KIM, Myoung-Youp SHIN, Yong-Sik YOO, Guk-Pyo JO, Jung-Gon CHOI
  • Patent number: 8202946
    Abstract: A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: June 19, 2012
    Assignee: NanoChem Solutions, Inc.
    Inventors: Damodar R. Patil, Laiduien G. Fan, Joseph C. Fan, Jiangping Yu
  • Publication number: 20120132382
    Abstract: Cationic or amphoteric (co)polymer obtained by Hofmann degradation reaction, in aqueous solution, in the presence of an alkaline-earth and/or alkali metal hydroxide and of an alkaline-earth and/or alkali metal hypohalide, on a base (co)polymer comprising at least one nonionic monomer chosen from the group comprising acrylamide (and/or methacrylamide) and N,N-dimethylacrylamide, is characterized in that the base (co)polymer is modified beforehand with at least one polyfunctional compound containing at least 3 heteroatoms chosen from N, S, O and P and each having at least one mobile hydrogen. Use as a flocculation, retention and/or drainage aid, and dry strength aid is contemplated.
    Type: Application
    Filed: August 3, 2010
    Publication date: May 31, 2012
    Applicant: S.P.C.M. SA
    Inventors: René Hund, Christophe Auriant