Chalcogen Atom Other Than Sulfur Or Oxygen Dnrm Patents (Class 524/402)
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Patent number: 9006354Abstract: A method of manufacturing a composite composition, having: bonding a dispersant to the surfaces of inorganic oxide particles to provide dispersibility in a hydrophobic solvent to the inorganic oxide particles, and then dispersing the inorganic oxide particles in a hydrophobic solvent; substituting the dispersant bonded to the surfaces of the inorganic oxide particles with a surface modifier, which is a polydimethylsiloxane-skeleton polymer having one functional group at one terminal end, in the hydrophobic solvent in which the organic oxide particles are dispersed to bond the functional group of the polydimethylsiloxane-skeleton polymer to the surfaces of the inorganic oxide particles; and conjugating a silicone resin and the inorganic oxide particles obtained in the previous step, wherein the surface thereof is modified by bonding the polydimethylsiloxane-skeleton polymer having one functional group at one terminal end thereof, to obtain a composite composition.Type: GrantFiled: July 12, 2011Date of Patent: April 14, 2015Assignees: Sumitomo Osaka Cement Co., Ltd., Kyoto UniversityInventors: Takeshi Otsuka, Yoshiki Chujo
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Patent number: 8993665Abstract: The present invention relates to polymers, nanomaterials, and methods of making the same. Various embodiments provide an amphiphilic multi-arm copolymer. The copolymer includes a core unit and a plurality of amphiphilic block copolymer arms. Each block copolymer arm is substituted on the core unit. Each block copolymer arm includes at least one hydrophilic homopolymer subunit and at least one hydrophobic homopolymer subunit. In some examples, the copolymer can include a star-like or bottlebrush-like block copolymer, and can include a Janus copolymer. Various embodiments provide a nanomaterial. In some examples, the nanomaterial can include Janus nanomaterials, and can include nanoparticles, nanorods, or nanotubes. The nanomaterial includes the amphiphilic multi-arm copolymer and at least one inorganic precursor. The inorganic precursor can be coordinated to at least one homopolymer subunit of one of the amphiphilic block copolymer arms to form the nanomaterial.Type: GrantFiled: January 24, 2013Date of Patent: March 31, 2015Assignee: Iowa State University Research Foundation, Inc.Inventors: Zhiqun Lin, Xinchang Pang
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Patent number: 8946332Abstract: A composition that contains from 30 to 95 wt. %, based on the total weight of the composition, of a thermoplastic component and an effective amount of a flow-enhancing component. The effective amount of the flow-enhancing component reduces the viscosity of the composition by at least 10% compared to the viscosity of a composition comprising the thermoplastic component, but not an effective amount of the flow-enhancing component. The thermoplastic component is selected from the group consisting of polycarbonates, polyesters, and combinations thereof. The flow-enhancing component comprises b1) a component selected from the group consisting of metal oxides, metalloid oxides, metal alkoxides, metalloid alkoxides, and combinations thereof and b2) a mineral filler component. The weight ratio of component b1) to component b2) ranges from 1:25 to 25:1. A method for enhancing the flow of compositions comprising thermoplastic components is also disclosed.Type: GrantFiled: October 20, 2009Date of Patent: February 3, 2015Assignee: Sabic Global Technologies B.V.Inventors: Josephus Gerardus van Gisbergen, Chris van der Weele, Sreepadaraj Karanam, Mark van der Mee
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Patent number: 8445577Abstract: The present invention relates to polymers, nanomaterials, and methods of making the same. Various embodiments provide an amphiphilic multi-arm copolymer. The copolymer includes a core unit and a plurality of amphiphilic block copolymer arms. Each block copolymer arm is substituted on the core unit. Each block copolymer arm includes at least one hydrophilic homopolymer subunit and at least one hydrophobic homopolymer subunit. In some examples, the copolymer can include a star-like or bottlebrush-like block copolymer, and can include a Janus copolymer. Various embodiments provide a nanomaterial. In some examples, the nanomaterial can include Janus nanomaterials, and can include nanoparticles, nanorods, or nanotubes. The nanomaterial includes the amphiphilic multi-arm copolymer and at least one inorganic precursor. The inorganic precursor can be coordinated to at least one homopolymer subunit of one of the amphiphilic block copolymer arms to form the nanomaterial.Type: GrantFiled: July 25, 2011Date of Patent: May 21, 2013Assignee: Iowa State University Research Foundation, Inc.Inventors: Zhiqun Lin, Xinchang Pang
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Patent number: 8431640Abstract: The present disclosure describes composite materials containing a polymer material and a nanoscale material dispersed in the polymer material. The nanoscale materials may be biologically synthesized, such as tellurium nanorods synthesized by Bacillus selenitireducens. Composite materials of the present disclosure may have optical limiting properties and find use in optical limiting devices.Type: GrantFiled: November 2, 2009Date of Patent: April 30, 2013Assignee: University of HoustonInventors: Seamus Curran, Sampath Dias, Werner Blau, Jun Wang, Ronald S. Oremland, Shaun Baesman
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Publication number: 20120190783Abstract: A composition that contains from 30 to 95 wt. %, based on the total weight of the composition, of a thermoplastic component and an effective amount of a flow-enhancing component. The effective amount of the flow-enhancing component reduces the viscosity of the composition by at least 10% compared to the viscosity of a composition comprising the thermoplastic component, but not an effective amount of the flow-enhancing component. The thermoplastic component is selected from the group consisting of polycarbonates, polyesters, and combinations thereof. The flow-enhancing component comprises b1) a component selected from the group consisting of metal oxides, metalloid oxides, metal alkoxides, metalloid alkoxides, and combinations thereof and b2) a mineral filler component. The weight ratio of component b1) to component b2) ranges from 1:25 to 25:1. A method for enhancing the flow of compositions comprising thermoplastic components is also disclosed.Type: ApplicationFiled: October 20, 2009Publication date: July 26, 2012Inventors: Josephus Gerardus van Gisbergen, Chris van der Weele, Sreepadaraj Karanam, Mark van der Mee
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Patent number: 8168078Abstract: Neutral calcium-aluminum double salts of the formula (A): Ca2m(Zn2n)Al2(OH)6+2(2m+2n?1)An*oH2O??(A), where the following apply for m and n:m=0.5 to 3 and 0.5m?n>0; An=CO3, where this may be replaced completely or partially by at least one of the following groups selected from OH, ClO4 and H3CS(?O)2O (triflate) and o=0 to 3. The present invention further relates to their preparation, use in compositions and stabilizer systems and uses thereof.Type: GrantFiled: May 21, 2009Date of Patent: May 1, 2012Assignee: Nabaltec AGInventors: Reiner Sauerwein, Alfred Reimer, Ludwig Edenharter, Manfred Sorgalla, Wolfgang Wehner
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Publication number: 20120064140Abstract: Composite nanogranules from polymer/inorganic nanoparticle, especially first composite nanogranules which are formed from first polymer and inorganic nanoparticles, second composite nanogranules which are obtained by forming second polymer on the first composite nanogranules, third composite nanogranules which is obtained by forming third polymer on the second composite nanogranules, and Nth composite nanogranules which is obtained by forming Nth polymer on the (N?1)th composite nanogranules with the similar method, are disclosed. A composition comprising anyone of the composite nanogranules described above is disclosed. The preparation method thereof and use of the same are also disclosed.Type: ApplicationFiled: May 12, 2010Publication date: March 15, 2012Applicant: Wuxi Now Materials Corp.Inventors: Suping Qian, Yuhong Xu, Zhentian Fan, Yongtal Hou
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Publication number: 20120041354Abstract: The present disclosure provides a lubricious polymeric composition that includes polymer and one or more lubricants. Articles formed from the lubricious polymeric composition possess enhanced softness, flexibility and lubricity. The present disclosure also provides a method for making an article formed from a lubricious polymeric composition having polymer and one or more lubricants.Type: ApplicationFiled: October 26, 2011Publication date: February 16, 2012Inventor: Eugene P. Dougherty, JR.
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Publication number: 20120021225Abstract: A laminated composition includes a first polymer layer having a first surface and a second surface; a second polymer layer having a first surface and a second surface; and an adhesive layer joining the second surface of the first polymer layer to a first surface of the second polymer layer; where the adhesive layer includes a heat-shrinkable resin including heat-generating particles.Type: ApplicationFiled: May 14, 2010Publication date: January 26, 2012Inventors: Maki Maekawa, Takahisa Kusuura
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Patent number: 8034872Abstract: Hydrolysates and/or condensates of epoxy- and silane-functional oligomers and polymers, prepared by hydrolyzing and/or condensing at least one oligomer and/or polymer (A) containing at least one epoxide group (a1) and at least one hydrolyzable silane group (a2); and also (meth)acrylate copolymers (A) containing lateral and/or terminal epoxide groups (a1) and lateral and/or terminal hydrolyzable silane groups (a2), in a molar ratio (a1): (a2) of from 15:1 to 1: 1.5, processes for preparing them, and their use.Type: GrantFiled: November 8, 2004Date of Patent: October 11, 2011Assignee: BASF Coatings GmbHInventors: Andreas Poppe, Wilfried Stübbe, Elke Westhoff, Manuela Niemeier, Dunja Köppen
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Patent number: 7999018Abstract: A thermoplastic resin composition having good electromagnetic shielding properties and high stiffness comprising thermoplastic polymer, metal alloy having a melting point of between about 200° C. and 500° C.Type: GrantFiled: April 23, 2008Date of Patent: August 16, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Yuji Saga
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Patent number: 7916450Abstract: A ceramic slurry composition includes 20˜50 wt. % of a ceramic powder, 2˜10 wt. % of a polymer having average molecular weight of 400,000 or more, 0.1˜2 wt. % of a polymer having hydrogen bond-forming functional groups, and 40˜75 wt. % of a solvent. If necessary, the ceramic slurry composition further includes 1˜5 wt. % of a polymer having weight average molecular weight of 400,000 or less.Type: GrantFiled: May 7, 2008Date of Patent: March 29, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Sung Il Oh
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Patent number: 7902294Abstract: The present invention provides novel filled silicone compositions comprising a nano-particulate metal oxide filler selected from nano-particulate monoclinic alpha-phase bismuth oxide, nano-particulate erbium oxide, and mixtures thereof. The new composite compositions exhibit a combination of outstanding performance characteristics in both the cured and uncured states. Thus, the uncured formulations are typically free flowing liquids which are self-leveling, which de-gas readily under vacuum, are readily colorable through the addition of pigments, and which cure at temperatures of about 60° C. The cured compositions possess outstanding acoustic characteristics which make them ideally suited for use in applications such as acoustic lenses for medical imaging and therapy. For example, the acoustic impedance of compositions provided by the present invention is closely matched to the acoustic impedance of human tissue.Type: GrantFiled: March 28, 2008Date of Patent: March 8, 2011Assignee: General Electric CompanyInventors: Slawomir Rubinsztajn, Lowell Scott Smith, Charles Edward Baumgartner
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Publication number: 20110034605Abstract: This invention relates to compounds, polymeric compounds, and compositions used to prepare semiconductor and optoelectronic materials and devices including thin film and band gap materials. This invention provides a range of compounds, polymeric compounds, compositions, materials and methods directed ultimately toward photovoltaic applications, transparent conductive materials, as well as devices and systems for energy conversion, including solar cells. In particular, this invention relates to polymeric precursor compounds and precursor materials for preparing photovoltaic layers. A compound may contain repeating units {MB(ER)(ER)} and {MA(ER)(ER)}, wherein MA is a combination of Cu and Ag, each MB is In or Ga, each E is S, Se, or Te, and each R is independently selected, for each occurrence, from alkyl, aryl, heteroaryl, alkenyl, amido, silyl, and inorganic and organic ligands.Type: ApplicationFiled: August 2, 2010Publication date: February 10, 2011Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Wayne A. Chomitz, Zhongliang Zhu, Matthew C. Kuchta, Qinglan Huang
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Patent number: 7847032Abstract: A poly(arylene ether) composition includes a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a flame retardant, and a poly(arylene ether)-polysiloxane block copolymer reaction product that itself includes a poly(arylene ether)-polysiloxane block copolymer. The composition is useful for forming extruded articles, including insulation for wire and cable. The poly(arylene ether)-polysiloxane block copolymer contributes improved flame retardancy and, in many cases, improved physical properties to the composition.Type: GrantFiled: December 10, 2008Date of Patent: December 7, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Hua Guo, Jian Guo, Kazunari Kosaka, Xiucuo Li
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Publication number: 20100160521Abstract: The present disclosure describes composite materials containing a polymer material and a nanoscale material dispersed in the polymer material. The nanoscale materials may be biologically synthesized, such as tellurium nanorods synthesized by Bacillus selenitireducens. Composite materials of the present disclosure may have optical limiting properties and find use in optical limiting devices.Type: ApplicationFiled: November 2, 2009Publication date: June 24, 2010Applicant: University of HoustonInventors: Seamus Curran, Sampath Dias, Werner Blau, Jun Wang, Ronald S. Oremland, Shaun Baesman
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Patent number: 7572389Abstract: The present invention is a stabiliser composition for halogen-containing polymers, comprising a salt of a halogen-containing oxy acid and an inorganic or organic acid or an inorganic base. The present invention relates also to a process for the preparation of such stabiliser compositions and to halogen-containing polymers comprising such stabiliser compositions.Type: GrantFiled: April 12, 2005Date of Patent: August 11, 2009Assignee: Baerlocher GmbHInventors: Stefan Fokken, Jürgen Hauk, Manfred Weigl
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Patent number: 7473735Abstract: The present invention provides a resin composition which comprises EVOH and a thermoplastic resin other than EVOH and which generates less odor and therefore is suitable for food packaging applications. The invention also provides an environmentally friendly method for producing a resin composition, without releasing any carboxylic acid such as acetic acid to the peripheral environment. A resin composition containing less carboxylate group is obtained by contacting an ethylene-vinyl alcohol copolymer resin with an aqueous solution containing both carbon dioxide gas and at least one additive selected from the group consisting of an alkali metal salt (A) and a boron compound (B) and then melt kneading with a thermoplastic resin (G) other than EVOH.Type: GrantFiled: July 22, 2004Date of Patent: January 6, 2009Assignee: Kuraray Co., Ltd.Inventors: Naohiko Uchiumi, Kaoru Ikeda, Noriyuki Kida, Tetsuya Hara, Syukiti Kawamura
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Publication number: 20080269378Abstract: A thermoplastic resin composition having good electromagnetic shielding properties and high stiffness comprising thermoplastic polymer, metal alloy having a melting point of between about 200° C. and 500° C.Type: ApplicationFiled: April 23, 2008Publication date: October 30, 2008Inventor: Yuji Saga
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Patent number: 7179400Abstract: The invention is a stabilizer composition for halogen-containing polymers, comprising a carrier material of the general formula CaxAl2(OH)2(x+2)HPO3.m H2O, wherein x is a number from 2 to 12 and m is a number from 0 to 12, and a salt of a halogen-containing oxy acid or a mixture of two or more such salts, at least one salt of a halogen-containing oxy acid being present in finely distributed form on the carrier material, to a process for the preparation thereof, and to the use thereof.Type: GrantFiled: May 26, 2005Date of Patent: February 20, 2007Assignee: Baerlocher GmbHInventors: Bernd Frischkemuth, Christian Helbig
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Patent number: 7112365Abstract: The invention relates to a multilayer, oriented film, in which at least one layer comprises a polyester which comprises an additive which, on irradiation with electromagnetic radiation, forms metal nuclei on which further metal can be deposited in further steps of the process. The invention further relates to a process for the production of this film and to its use in printed circuit boards, ribbon cables, smart cards, RFID labels, membrane keyboards, and film-based circuits of any type.Type: GrantFiled: September 15, 2004Date of Patent: September 26, 2006Assignee: Mitsubishi Polyester Film GmbHInventors: Holger Kliesch, Thorsten Kiehne, Gottfried Hilkert, Franz Hora
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Patent number: 7105223Abstract: The invention relates to a single-layer, oriented polyester film where the polyester comprises an additive which on irradiation with electromagnetic radiation forms metal nuclei on which further metal can be accumulated during further steps of the process. The invention further relates to a process for producing this film and to its use in printed circuit boards, ribbon cables, smart cards, RFID labels, membrane keyboards, and film-based circuits, of any type.Type: GrantFiled: September 15, 2004Date of Patent: September 12, 2006Assignee: Mitsubishi Polyester Film GmbHInventors: Holger Kliesch, Thorsten Kiehne, Gottfried Hilkert, Bodo Kuhmann
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Patent number: 7091271Abstract: A nanocomposite optical plastic article has a plastic host material with a temperature sensitive optical vector (x) and a core shell nanoparticulate material dispersed into the plastic host material. The core shell nanoparticulate material is characterized by a core defined by a nanoparticulate material which has a temperature sensitive optical vector (x1) and a shell defined by a coating material layer coated onto the core. It is important to the invention that temperature sensitive vector (x1) is directionally opposed to the temperature sensitive optical vector (x) and nshell<nplastic host<ncore.Type: GrantFiled: August 18, 2003Date of Patent: August 15, 2006Assignee: Eastman Kodak CompanyInventors: Robert O. James, Lawrence A. Rowley, Daniel F. Hurley, John Border
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Patent number: 7083848Abstract: The invention relates to a single- or multilayer, oriented film in which at least one layer is comprised of a thermoplastic polymer having a minimum amount of amide groups. The polymer is a polyester, a polyamide, or a mixture comprised of polyester and polyamide, or is a copolymer comprised of these two materials. The film also comprises a component a) which, when irradiated with electromagnetic or particulate radiation, forms metal nuclei onto which further metal can be accumulated in further steps of the process. The invention also relates to a process for the production of this film, and to its use in printed circuit boards, ribbon cables, smart cards, RFID labels, membrane keyboards, or film-based circuits of any type.Type: GrantFiled: January 18, 2005Date of Patent: August 1, 2006Assignee: Mitsubishi Polyester Film GmbHInventors: Holger Kliesch, Thorsten Kiehne, Gottfried Hilkert, Ingo Fischer
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Patent number: 6890453Abstract: The present invention is a stabiliser composition for halogen-containing polymers, comprising a salt of a halogen-containing oxy acid and an inorganic or organic acid or an inorganic base. The present invention relates also to a process for the preparation of such stabiliser compositions and to halogen-containing polymers comprising such stabiliser compositions.Type: GrantFiled: November 21, 2003Date of Patent: May 10, 2005Assignee: Baerlocher GmbHInventors: Stefan Fokken, Jürgen Hauk, Manfred Weigl
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Publication number: 20040259988Abstract: The invention relates to a process for preparing a stabilized suspen-sion/emulsion polymer of halogen-containing monomers with addition of a polymer stabilizer mixture compatible with the polymerization medium prior to, during or directly after the polymerization process, and to the polymers pre-pared by this process.Type: ApplicationFiled: May 3, 2004Publication date: December 23, 2004Inventors: Karl-Josef Kuhn, Hans-Helmut Friedrich
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Publication number: 20040072936Abstract: The polyolefin resin composition of the present invention includes 100 parts by weight polypropylene, 5 to 45 parts by weight inorganic filler, and 2 to 20 parts by weight silicon-grafted polyethylene. The polyolefin resin composition of the present invention is useful as a material of construction for various kinds of housings for electronic appliances and automobile parts since the resin exhibits better scratch resistance, resin fluidity, and moldability than prior art polyolefin resin compositions while maintaining mechanical properties.Type: ApplicationFiled: October 27, 2003Publication date: April 15, 2004Inventors: Sok-Won Kim, Young-Won Kim
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Publication number: 20030212176Abstract: An iodine/iodide-containing hot melt coatable adhesive is provided. This adhesive is prepared by mixing iodine and an iodide salt, individually or in combination, with solubilizing liquids. The iodine and iodide salt are combined with a pre-adhesive composition in a hot melt mixer, with an iodine/iodide complexing agent being present in the mixture. The mixture is mixed at a temperature from about 130° C. to about 200° C. and sufficiently to form an iodine/iodide-containing hot melt coatable adhesive. Alternatively, the iodide may be generated in situ. The adhesive so prepared may be packaged for coating on a substrate at a later time, or may be immediately coated to form an adhesive composite. Adhesive composites, particularly surgical incise drapes, are provided incorporating this hot melt coatable adhesive.Type: ApplicationFiled: April 25, 2002Publication date: November 13, 2003Inventors: Danli Wang, Stephen E. Krampe, Zhiming Zhou, Matthew T. Scholz, Michael P. Daniels
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Publication number: 20020115772Abstract: The present invention relates to shape deformable materials, which are capable of (1) being deformed, (2) storing an amount of shape deformation, and (3) recovering at least a portion of the shape deformation when exposed to electromagnetic radiation (EMR) energy. The shape deformable materials can advantageously be in the form of films, fibers, filaments, strands, nonwovens, and pre-molded elements. The shape deformable materials of the present invention may be used to form products, which are both disposable and reusable. More specifically, the shape deformable materials of the present invention may be used to produce products such as disposable diapers, training pants, incontinence products, and feminine care products.Type: ApplicationFiled: December 15, 2000Publication date: August 22, 2002Inventors: Vasily A. Topolkaraev, Thomas Walter Odorzynski, Dave Allen Soerens, Michael J. Garvey, Duane Girard Uitenbroek
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Patent number: 6130280Abstract: An oxymethylene polymer resin shaped article having high flexural modulus, which is produced by molding an oxymethylene polymer resin, wherein the oxymethylene polymer resin is selected from the group consisting of an oxymethylene homopolymer resin, an oxymethylene copolymer resin and a mixture thereof. The oxymethylene copolymer resin comprises a copolymer of an oxymethylene monomer and a comonomer copolymerizable therewith, wherein the amount of the comonomer is extremely limited. The shaped article has the following characteristics: (1) a crystallinity of 72% or more; (2) an average crystallite size of 150 .ANG. or more; (3) 70% by volume or more of the whole volume of the shaped article being comprised of spherulites each having a diameter of 60 .mu.m or less; and (4) a thickness of 1 mm or more.Type: GrantFiled: June 25, 1999Date of Patent: October 10, 2000Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Hiroshi Yokoyama, Hajime Nagahara
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Patent number: 5575951Abstract: A homogeneous, clear liquid stabilizer suitable for use in a vinyl chloride polymer comprising a liquid mixture of metal soap stabilizer, for example, a mixture of a mixed barium/zinc soap stabilizer and solubilized metal perchlorate, for example, a barium perchlorate. The liquid stabilizer is formed by combining a solubilized metal perchlorate and a liquid mixture of the metal soap stabilizer.Type: GrantFiled: April 6, 1995Date of Patent: November 19, 1996Assignee: Akcros Chemicals AmericaInventor: Donald F. Anderson
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Patent number: 5219922Abstract: The present invention relates to silicone elastomers based on platinum-catalyzed, hot-curing organopolysiloxane compositions which are characterized by particularly low compression set after crosslinking and to a process for the production of these elastomers.Type: GrantFiled: April 24, 1991Date of Patent: June 15, 1993Assignee: Bayer AktiengesellschaftInventors: Helmut Steinberger, Klaus-Dieter Pesch, Thomas Naumann
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Patent number: 5126388Abstract: The present invention relates to a process for producing a plastic lens having a high refractive index and profile regularity comprising forming a mixture of one or more of sulfur-containing aromatic polyisocyanate compounds, one or more of active hydrogen compounds selected from the group consisting of polyol compounds and polythiol compounds, and at least one internal mold releasing agent, and subjecting the resulting mixture to casting polymerization, and a plastic lens obtained according to the process.Type: GrantFiled: January 31, 1991Date of Patent: June 30, 1992Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Teruyuki Nagata, Koju Okazaki, Nobuyuki Kajimoto, Tohru Miura, Yoshinobu Kanemura, Katsuyoshi Sasagawa
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Patent number: 5035836Abstract: A solid lubricated resistive ink includes solid lubricants which provide self-lubrication of the resistive ink under high vacuum and low moisture conditions. The resistive inks include a polymer-based binder and an electrically conductive solid lubricant which remains electrically conductive and lubricative under low moisture and high vacuum. Effective lubricants include MoSe.sub.2, NbSe.sub.2 graphite intercalated with bromine and graphite intercalated with a metal chloride. The resistive ink may additionally include carbon.Type: GrantFiled: June 19, 1989Date of Patent: July 30, 1991Assignee: Hughes Aircraft CompanyInventors: Michael N. Gardos, Larry C. Lipp, William S. Griffin
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Patent number: 4711924Abstract: Phenoxy resins are acid-grafted by reaction of secondary hydroxyls with monoanhydrides of di- or polycarboxylic acids. The grafted resins have improved adhesion to smooth surfaces, can be readily emulsified, and are also useful in coatings for magnetic recording media.Type: GrantFiled: October 2, 1986Date of Patent: December 8, 1987Assignee: Union Carbide CorporationInventor: George A. Salensky
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Patent number: 4612339Abstract: The polyamide polymers, notably the nylons, are effectively heat stabilized, characteristically with good retention of mechanical properties, by formulating therewith stabilizing amounts of (i) at least one lanthanide or yttrium-based compound and (ii) at least one ammonium, or alkali or alkaline earth metal halide.Type: GrantFiled: March 8, 1985Date of Patent: September 16, 1986Assignee: Rhone-Poulenc Specialites ChimiquesInventor: Bruno Giroud-Abel
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Patent number: 4564651Abstract: This invention provides reaction resin molded materials (OX/ICR molded materials) containing oxazolidinone and isocyanurate rings prepared from reaction resin mixtures of polyepoxides and polyisocyanates (EP/IC resins) in the presence of a hardening catalyst and has as an object to provide a simple manufacturing method for heat resistant OX/ICR molded materials with improved mechanical properties. According to this invention, EP/IC resins which are capable of casting and impregnating and which are free from solvents are provided. These resins have a formula mole ratio of EP:IC of about 1 to 5 and a viscosity of up to 7,000 mPa sec at 25.degree. C. and are cross-linked by means of tertiary amine or imidazole hardening catalysts at gelling temperatures of up to 130.degree. C. and post-hardening temperatures of 130.degree. to 200.degree. C. to produce OX/ICR molded materials with a mole ratio OX:ICR greater than 1, wherein the reaction of the epoxy and isocyanate groups is above 90% after the hardening.Type: GrantFiled: June 27, 1984Date of Patent: January 14, 1986Assignee: Siemens AktiengesellschaftInventors: Helmut Markert, Wolfgang Rogler, Klaus Kretzschman, Klaus-Robert Hauschildt
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Patent number: 4559372Abstract: The polyamides are fireproofed and, e.g., phosphine-inhibited, by formulating red phosphorus and at least one lanthanide or yttrium compound therewith.Type: GrantFiled: October 22, 1984Date of Patent: December 17, 1985Assignee: Rhone-Poulenc Specialities ChimiquesInventor: Bruno Giroud-Abel
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Patent number: 4477608Abstract: Compositions containing high-molecular, organic material which can be processed into moulded products, 0.001 to 3.0% by weight of graphite, relative to the high-molecular, organic material, and one or more pigments or polymer-soluble dyes, are suitable for producing moulded products.Type: GrantFiled: August 8, 1983Date of Patent: October 16, 1984Assignee: Ciba-Geigy CorporationInventors: Fridolin Babler, Adolf Weissmuller