Group Iia Metal Atom (i.e., Be, Mg, Ca, Sr, Ba) Patents (Class 524/433)
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Patent number: 6534571Abstract: A solid calcium oxide desiccant dispersion for use in rubber compounds. The dispersion comprises 30-94 weight percent calcium oxide and 3-55 weight percent asphalt and optionally 0.5-12 weight percent fatty acid agent and 0.5-14 weight percent plasticizer. The dispersion is added to rubber compounds at the rate of 1-20 parts per hundred parts rubber.Type: GrantFiled: April 25, 2001Date of Patent: March 18, 2003Assignee: Flow Polymers, Inc.Inventor: James W. Hoover
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Patent number: 6534577Abstract: PVC-containing material with a citrate, whose alcohol component contains 2 to 12 carbon atoms and in which the hydroxyl group of the citrate is not esterified.Type: GrantFiled: June 15, 2000Date of Patent: March 18, 2003Assignee: era Beschichtung GmbH & Co.Inventor: Maik Johannes Keller
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Publication number: 20030040558Abstract: The present invention is directed to an ethylene-vinyl acetate dispersion and a process for making the dispersion by polymerizing a monomer mixture having vinyl acetate and ethylene in a batch process, in the presence of a stabilizing system of polyvinyl alcohol and without added surfactants, to form an ethylene-vinyl acetate polymer dispersion. The copolymer dispersion has a solids level of greater than 65 percent by weight, and a viscosity of less than 5000 mPa.s when measured at 65 percent solids at 25° C. The dispersion can be dried to form a redispersible powder. Both the dispersion and powder are useful in adhesive and coating formulations.Type: ApplicationFiled: July 27, 2001Publication date: February 27, 2003Inventors: John C.H. Kerr, Alistair J. McLennan, Robert N. Mitchell, Caroline S. Pattenden
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Patent number: 6525158Abstract: Recycled mixtures of plastics, predominantly thermoplastics, as predominantly produced in the household, in commerce and also in industry and useful material collections, can be stabilized against thermooxidative degradation by adding a combination of a sterically hindered phenol with an organic phosphite or phosphonite and an inorganic compound from the series consisting of metal oxides, hydroxides and carbonates.Type: GrantFiled: September 17, 1997Date of Patent: February 25, 2003Assignee: Ciba Specialty Chemicals CorporationInventors: Kurt Hoffmann, Heinz Herbst, Rudolf Pfaendner, Hans-Jürgen Sander, Franciszek Sitek
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Patent number: 6525166Abstract: The invention concerns a polyamide comprising macromolecular chains having a star-shaped configuration, a method for making said polyamide and compositions comprising same. More particularly, the invention concerns a method for making a polyamide comprising linear macromolecular chains and star-shaped macromolecular chains with control of the star-shaped chain concentration in the polymer. Said control is obtained by using besides the polyfunctional polymers and amino acids or lactams a polyfunctional comonomer comprising either acid functions or amine functions. The resulting polyamide has optimal mechanical and rheological properties for improving the speed and quality of mould filling and producing mouldable compositions comprising high filler factors.Type: GrantFiled: March 26, 2001Date of Patent: February 25, 2003Assignee: Nyltech Italia S.r.l.Inventors: Giuseppe Di Silvestro, Franco Speroni, Cuiming Yuan, Haichun Zhang
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Patent number: 6521689Abstract: An object of this invention is to impart excellent flame retardancy to an aromatic polyamide resin without use of a halogen compound which is responsible for generation of gases harmful to the human body and without decreasing preferred properties (e.g. mechanical properties, and molding processability) inherently possessed by aromatic polyamide resins, the flame-retardant aromatic polyamide resin composition of this invention comprising (a) 100 parts by weight of an aromatic polyamide resin, (b) 0.1 to 100 parts by weight of a crosslinked phosphazene compound which is a compound crosslinked with a crosslinking group, such as phenylene groups, the crosslinking group being interposed between the two oxygen atoms left after the elimination of phenyl groups from the phosphazene compound, no free hydroxyl group being present in the molecule, the amount of all phenyl groups in the crosslinked compound being 50 to 99.Type: GrantFiled: July 6, 2001Date of Patent: February 18, 2003Assignee: Otsuka Chemical Co., Ltd.Inventors: Tadao Yabuhara, Yuji Tada, Shinji Nakano, Takashi Kameshima, Yoichi Nishioka, Hiroyuki Takase
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Patent number: 6518353Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: GrantFiled: December 22, 2000Date of Patent: February 11, 2003Assignee: Eastman Kodal CompanyInventors: John Border, Michael R. McGovern
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Publication number: 20030027975Abstract: Disclosed is a method for preparing saturated polyester used in various molded products, such as films, synthetic fibers, vessels and housings. In particular, the method improves mechanical properties, including tensile strength or impact resistance, of saturated polyester. In DMT method or TPA method, the saturated polyester is synthesized through transesterification or esterification and polycondensation, in which metal compounds, such as metal acetate compounds, metal hydroxides, and metal oxides, are added in the larger amounts upon synthesis, and thus crystalline internal grains are formed, thereby improving the mechanical properties. As such, the metal compound can be used alone or in combination with a phosphorous-based compound.Type: ApplicationFiled: July 30, 2001Publication date: February 6, 2003Applicant: Saehan Industries IncorporationInventor: Deog Jae Jo
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Patent number: 6515061Abstract: A paste composition having a high thermal conductivity and a relatively low viscosity is used to provide a thermal conductive connection between an electronic component and a cooling device to increase the heat transfer rate between the component and the device cooling the electronic component. The paste composition comprises a non-aqueous dielectric carrier, thermally conductive filler particles and a specially defined dispersant comprising the self-condensation reaction product of a hydroxy fatty acid, the reaction product having an acid number of about 30-100. A 12-hydroxy stearic acid self condensed reaction product is the preferred dispersant.Type: GrantFiled: October 28, 1997Date of Patent: February 4, 2003Assignee: International Business Machines CorporationInventors: Sushumna Iruvanti, Keith Scott Olsen, Krishna Gandhi Sachdev
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Publication number: 20030018117Abstract: An aqueous adhesive composition, as for bonding nitrile rubbers to a metal substrate, has very good pre-bake resistance. The adhesive composition comprises a phenolic novolac or resole resin, chlorinated natural rubber, a reactive fillers, and precipitated silica. Utilization of the adhesive composition results in essentially failure of the nitrile rubber.Type: ApplicationFiled: June 28, 2001Publication date: January 23, 2003Applicant: Lord CorporationInventors: Douglas H. Mowrey, Rebecca S. Cowles
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Patent number: 6509404Abstract: An ionomeric particulate composition made by suspension polymerization is provided. The composition comprises at least one vinyl monomer; an acid monomer; a metal oxide; at least two surfactants, one of which is a monomer surfactant; and polyacrylamide. The particulates' size can be controlled by use of the polyacrylainide and various surfactants, and not through the conventional means of homogenization. Particle size in the range of less than 10 micrometers can be made. The ionomeric particulate is made in the absence of a chain transfer agent and thus can have high molecular weight.Type: GrantFiled: November 17, 1999Date of Patent: January 21, 2003Assignee: 3M Innovative Properties Co.Inventors: Chung I. Young, Michael R. Engel, Chi-Ming Tseng
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Patent number: 6506827Abstract: A rubber composition which contains the following components (A)-(D) and is free from any zinc-containing compounds that would cause trouble at the time of use of the final products: (A): an ethylene-&agr;-olefin copolymer rubber and/or ethylene-&agr;-olefin-non-conjugated diene copolymer rubber, (B): magnesium oxide, (C): carbon black, (D): at least one compound selected from the following compounds (D-1)-(D-3): (D-1): compounds containing a thio group and a carboxylic acid ester group in the molecule, (D-2): compounds containing a phenolic hydroxyl group in the molecule, (D-3): compounds containing an acyl group and an imino group in the molecule, provides vulcanized products including radiator hoses, heater hoses and radiator packings with improved age resistance.Type: GrantFiled: March 8, 2001Date of Patent: January 14, 2003Assignee: Sumitomo Chemical Company, LimitedInventor: Sadayuki Nakano
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Patent number: 6506828Abstract: A resin composition which comprises 100 parts by weight of a synthetic resin and 50 to 1,500 parts by weight of magnesium oxide particles, wherein the magnesium oxide particles satisfy the following requirements (i) to (v): (i) an average secondary particle diameter of 0.1 to 130 &mgr;m, (ii) a BET method specific surface area of 0.1 to 5 m2/g, (iii) a total content of an Fe compound and an Mn compound of 0.01 wt % or less in terms of metals, (iv) an Na content of 0.001 wt % or less, and (v) a Cl content of 0.005 wt % or less, and a molded product formed therefrom. Since the resin composition of the present invention has excellent flame retardancy, heat conductivity and water resistance, it is advantageously used as a material for sealing a heat generating electronic member such as a semiconductor.Type: GrantFiled: July 20, 2001Date of Patent: January 14, 2003Assignee: Kyowa Chemical Industry Co., Ltd.Inventors: Hitoshi Anabuki, Machiko Yokozeki
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Patent number: 6498200Abstract: A cationically polymerizable resin composition which comprises (A) a compound containing at least one ring selected from the group consisting of an oxirane ring and an oxetane ring; (B) an onium salt; (C) an organic peroxide; and (D) an alkaline filler except for a hydroxide.Type: GrantFiled: January 11, 2000Date of Patent: December 24, 2002Assignee: Namics CorporationInventors: Osamu Suzuki, Haruyuki Yoshii, Hisao Kondo, Kenichi Suzuki
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Patent number: 6498208Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: GrantFiled: December 22, 2000Date of Patent: December 24, 2002Assignee: Eastman Kodak CompanyInventors: John Border, Michael R. McGovern
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Patent number: 6492448Abstract: A resin composition is provided which composition comprises 100 parts by weight of (A) polyarylene sulfide, and 0.01 to 5.0 parts by weight of (B) a product compound of an element selected from the group consisting of group IIA and group IIB of the periodic table, wherein said product compound has such alkalinity that a mixture of said product compound with a 20-fold weight of ultrapure water of grade A4 specified in the Japanese Industrial Standards (JIS) K0557 has a pH of from 10.0 to 12.0. The composition is particularly suited to be used for an optical instrument part such as an object lens driving unit and the like.Type: GrantFiled: July 11, 2000Date of Patent: December 10, 2002Assignee: Dainippon Ink and Chemicals, IncorporatedInventors: Masaru Miyoshi, Osamu Komiyama
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Publication number: 20020183432Abstract: Provided is a coating composition for damping purposes, capable of forming the thin film applicable to damping and sound absorption at a vibration- or sound-generation section of complex shape, which comprises the following coating components (i), (ii) and (iii):Type: ApplicationFiled: July 6, 2001Publication date: December 5, 2002Inventors: Guozhang Wu, Tetsuya Ito, Masao Sumita
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Patent number: 6489389Abstract: Rubber compositions for tire treads containing a rubber component containing at least 70 parts by weight of a styrene-butadiene rubber whose styrene content is 20 to 60%; 5 to 150 parts by weight of a powdery inorganic compound represented by formula (I) and having a particle size from 0.01 to 10 &mgr;m: mM1•xSiOy•zH2O (I) in which M1 is at least one of Al, Mg, Ti, and Ca, or hydroxides or oxides thereof; and 5 to 170 parts by weight of carbon black having a nitrogen adsorption specific area of 80 to 280 m2/g and the total amount of the powdery inorganic compound and the carbon black is from 70 to 200 parts by weight. The amount of an extract obtained when extracting the rubber composition, after being vulcanized, with acetone and chloroform should be 30 to 270 parts by weight. Similar compositions containing silica are also disclosed.Type: GrantFiled: January 28, 1999Date of Patent: December 3, 2002Assignee: Bridgestone CorporationInventors: Toshiyuki Ohta, Kenji Matsuo, Jun Sakiyama, Seiichiro Iwafune
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Patent number: 6476113Abstract: Thermosetting and thermoplastic elastomers are provided having magnetic filler packed within the elastomeric matrix and capable of being aligned and energized, before, during or after the molding of the elastomer. The magnetically-filled elastomers therefore provide useful permanent magnetic fields which being physically soft. The magnetic filler is aligned within the elastomeric matrix and energized by subjecting the magnetically-filled elastomer to magnetic energy before, during and/or after molding of the magnetically-filled elastomer. A particularly preferred magnetically-filled elastomer is a magnetically-filled polyurethane elastomer composition wherein the elastomer is the reaction product of a urethane-forming compound having at least two urethane-forming reactive sites, an elasticizing diol or triol, and a diisocyanate reacted in less than stoiciometric amounts to allow for the formation of urethane linkages involving less than about 85% of the urethane-forming reactive sites.Type: GrantFiled: January 11, 2001Date of Patent: November 5, 2002Assignee: Remington Products CompanyInventor: Maurice Hiles
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Patent number: 6476107Abstract: An environmentally friendly additive for plastics that can be added to any polyolefin plastic article, such as disposable articles like plastic bags, so as to decrease the amount of hydrochloric acid gas evolved by a waste disposal incinerator that burns the spent article along with chlorinated waste.Type: GrantFiled: April 10, 2000Date of Patent: November 5, 2002Assignee: Formosa Taffeta Co., Ltd.Inventor: Chin-Tong Chang
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Publication number: 20020161091Abstract: According to the present invention, there is provided a low dielectric loss tangent resin composition containing a crosslinking component having a weight average molecular weight of not more than 1,000 and a plurality of styrene groups and represented by the formula [1], 1Type: ApplicationFiled: September 14, 2001Publication date: October 31, 2002Inventors: Satoru Amou, Shinji Yamada, Takao Ishikawa, Takao Miwa
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Publication number: 20020156167Abstract: To provide a polyolefin based resin film of high elastic modulus and a composition for producing a polyolefin based resin film of high elastic modulus. The polyolefin based resin film is characterized in that a polyolefin [A] having a weight average molecular chain length of 2850 nm or more and a polyolefin wax [B] having a weight average molecular weight of 700 to 6000 have been compounded in a ratio of [A]/[B]=90/10 to 50/50 (by weight) as the resin component, and 10 to 300 parts by weight of inorganic fillers have been added to 100 parts by weight of the resin component.Type: ApplicationFiled: March 25, 2002Publication date: October 24, 2002Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Atsuhiro Takata, Ryuma Kuroda, Satoshi Hanada, Takeshi Yamada
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Publication number: 20020156169Abstract: A rubber composition comprises a polar group-containing diene polymer synthesized through an emulsion polymerization as a rubber component, and an inorganic filler represented by a formula of mM.xSiOy.zH2O wherein M is a metal selected from the group consisting of aluminum, magnesium, titanium and calcium, an oxide or a hydroxide of such a metal or an hydrate thereof, m is an integer of 1 to 5, x is an integer of 0 to 10, y is an integer of 2 to 5 and z is an integer of 0 to 10.Type: ApplicationFiled: December 21, 2001Publication date: October 24, 2002Applicant: BRIDGESTONE CORPORATIONInventors: Hajime Kondo, Kazuhiro Yanagisawa, Tomohisa Konno, Yoshiyuki Udagawa, Toshihiro Tadaki
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Publication number: 20020156170Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: ApplicationFiled: April 5, 2002Publication date: October 24, 2002Inventors: John Border, Michael R. McGovern
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Patent number: 6469082Abstract: A solvent based polychloroprene contact bond adhesive having less than 250 grams per liter volatile organic compounds (VOCs) at high solids content is disclosed. The composition contains polychloroprene polymer, phenolic and tackifying resins, a zinc resinate, metallic oxide and antioxidants, mixed uniformly in a blend of organic solvents. The blend of organic solvents contains VOC exempt solvents as well as aliphatic and aromatic solvents.Type: GrantFiled: June 29, 2001Date of Patent: October 22, 2002Assignee: Illinois Tool Works, Inc.Inventors: Paul A. Raymond, John S. Piwnlca, Jr.
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Patent number: 6462119Abstract: Ceramic powders comprises powders of not more than 100 mesh which are obtained by forming a mixture including Al2O3 (alumina), SiO2 (silica), FeO (iron oxide), NaO (soda), MgO (magnesium oxide), KOH (potassium hydroxide) and NaCl (sodium chloride) into ceramic, followed by pulverization; and powders of not less than 99% purity selected from a group consisting of V (vanadium), Al (aluminum), Ti (titanium), Cr (chromium), Mn (Manganese), Fe (iron), Co (cobalt), Ni (nickel), P (phosphorus), Cu (copper), Zu (zinc), Y (yttrium), Mg (magnesium), S (sulfur), NFe (iron nitride), BrK (potassium bromide) and IRb (rubidium iodide).Type: GrantFiled: August 2, 1999Date of Patent: October 8, 2002Assignee: Nihon Denshi Keiraku Kenkoukai, Inc.Inventor: Susumu Tsuboi
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Patent number: 6462113Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.Type: GrantFiled: December 8, 1997Date of Patent: October 8, 2002Assignee: Roehm GmbH & Co. KGInventors: Wilhelm Elser, Guenther Schmitt, Ursula Rausch, Theodor Mager
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Publication number: 20020132892Abstract: This invention relates to a rubber mixture containing a carboxylated nitrile rubber, a metal salt of an acrylate, a liquid acrylate, a silane, optionally together with further additives, to a process for the production thereof and to use for moldings of all kinds, in particular roll coverings.Type: ApplicationFiled: January 15, 2002Publication date: September 19, 2002Inventor: Erich Fuchs
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Publication number: 20020123549Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: ApplicationFiled: December 22, 2000Publication date: September 5, 2002Applicant: Eastman Kodak CompanyInventors: John Border, Michael R. McGovern
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Publication number: 20020123551Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: ApplicationFiled: December 22, 2000Publication date: September 5, 2002Applicant: Eastman Kodak CompanyInventors: John Border, Michael R. McGovern
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Patent number: 6444740Abstract: The present invention provides silicone compositions, cured elastomers thereof demtonstrate improved resistance to oil. The compositions include a reactive silicone component, wherein the silicone component cures by way of an addition cure mechanism or a condensation cure mechanism; and a basic filler component to confer oil resistance to the cured elastomer. Where the reactive silicone component cures by way of an addition cure mechanism, an addition cure catalyst is also included. To that end, in one embodiment of the invention, the composition includes a vinyl-terminated silicone fluid, a hydrogen-functionalized silicone fluid; a basic filler to confer oil resistance to the cured elastomer and an addition cure catalyst. In another embodiment of the invention, the composition includes a hydroxy-terminated diorganopolysiloxane, a precipitated calcium carbonate, at least about 5% by weight of a composition comprising magnesium oxide particles having a mean particle size of about 0.5 &mgr;M to about 1.Type: GrantFiled: September 27, 2001Date of Patent: September 3, 2002Assignee: Loctite CorporationInventors: Alfred A. DeCato, Lester D. Bennington
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Patent number: 6444739Abstract: The polyamide resin composition comprises a copolyamide resin, a nucleating agent for crystallization, and optionally an inorganic filler. The copolyamide resin is produced by polycondensing a carboxylic acid component mainly comprising adipic acid with a diamine component containing trans-1,4-bis(aminomethyl)cyclohexane, cis- 1,4-bis(aminomethyl)cyclohexane, and optionally another diamine. The nucleating agent for crystallization is selected from an organic nucleating agent and an inorganic nucleating agent. The polyamide resin composition exhibits a good molding cycle and provides a shaped article excellent in the retention of rigidity at a high temperature condition, the durability under a high temperature condition, and the retention of mechanical properties after water-absorption. Therefore, the polyamide resin composition is useful as a metal replacement in various applications such as automobile parts, mechanical parts and electric or electronic parts.Type: GrantFiled: August 21, 2001Date of Patent: September 3, 2002Assignee: Mitsubishi Gas Chemical Co., Inc.Inventors: Koji Yamamoto, Takeo Hayashi, Takahiro Takano
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Publication number: 20020120045Abstract: The present invention relates to adhesive compositions containing a polychloroprene dispersion containing a tricyclic diterpenecarboxylic acid having at least two conjugated C═C double bonds per molecule.Type: ApplicationFiled: September 14, 2001Publication date: August 29, 2002Inventors: Ruediger Musch, Knut Panskus, Norbert Schildan
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Publication number: 20020120047Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: ApplicationFiled: December 22, 2000Publication date: August 29, 2002Applicant: Eastman Kodak CompanyInventors: John Border, Michael R. McGovern
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Publication number: 20020120048Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: ApplicationFiled: December 22, 2000Publication date: August 29, 2002Applicant: Eastman Kodak CompanyInventors: John Border, Michael R. McGovern
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Patent number: 6441077Abstract: An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.Type: GrantFiled: December 22, 2000Date of Patent: August 27, 2002Assignee: Eastman Kodak CompanyInventors: John Border, Michael R. McGovern
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Publication number: 20020111411Abstract: A fire resistant resin composition, a method of making the fire resistant resin composition and an electrical wire comprising the fire resistant resin composition are provided. The fire resistant composition includes a halogen-free propylene resin containing propylene as its main monomer component, a halogen-free styrene-based thermoplastic elastomeric resin modified with an unsaturated carboxylic acid or a derivative of such an acid, and a fire resistant metal hydroxide.Type: ApplicationFiled: December 12, 2001Publication date: August 15, 2002Applicant: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Tatsuya Hase, Takahiko Sugita, Hiroshi Fujimoto, Masashi Sato, Shinichi Matsumoto
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Patent number: 6433058Abstract: Superabsorbent polymers having a slow rate of absorption, and a process for their preparation. The superabsorbent polymer has a slow rate of absorption, is crosslinked with a covalent crosslinking agent and the metal of a polyvalent metal salt and has an Absorption Rate Index of at least about 5 minutes. Such polymers are prepared by contacting a substrate water-swellable, water-insoluble polymer particle with a polyvalent metal salt solution under conditions such that there is formed a polymer having an Absorption Rate Index of at least about 5 minutes.Type: GrantFiled: December 7, 1999Date of Patent: August 13, 2002Assignee: Dow Global Technologies Inc.Inventors: Joseph L. Weir, Larry R. Wilson
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Publication number: 20020099121Abstract: A colored resin composition for water distribution pipes comprising a resin which comprises a polyolefin resin as a main component and a blue fine powder pigment of a composite oxide which is a fine powder, contains elements other than the main metals introduced into the crystal structure, or has been treated mechanochemically and a colored resin water distribution pipe comprising this colored resin composition.Type: ApplicationFiled: December 12, 2001Publication date: July 25, 2002Applicant: DAINICHISEIKA COLOR & CHEMICAL MFG. CO., LTD.Inventors: Kotaro Oshima, Toshimichi Sano, Mitsuo Noda, Yasutaka Momoi, Atsushi Nogami, Toru Kawakami, Takaaki Ota, Yoshio Abe, Michiei Nakamura
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Patent number: 6423773Abstract: Polymer coating composition for a plastics substrate including a polymeric binder and an inert filler. The composition also includes polyamide epichlorohydrin and an ionic insolubilizing agent that is capable of reacting with the binder to render the binder insoluble in water.Type: GrantFiled: May 19, 2000Date of Patent: July 23, 2002Assignee: Arjobex LimitedInventor: John Victor Shepherd
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Patent number: 6420461Abstract: The present invention relates to novel compounds of the formula (III) in which the substituents are as defined in the description, to a process for their preparation and to mixtures with other compounds. The compounds of the formula (III) are suitable for stabilizing organic material against the effect of light and heat.Type: GrantFiled: November 12, 1999Date of Patent: July 16, 2002Assignee: Clariant GmbHInventors: Thomas Stährfeldt, Mathias Mehrer, Matthias Zäh, Gerhard Pfahler
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Patent number: 6414064Abstract: The polyamide resin composition of the present invention comprises 100 parts by weight of a polyamide resin (A) having dicarboxylic acid units (a) comprising from 60 to 100 mol % of terephthalic acid repeat units and diamine units (b) comprising from 60 to 100 mol % of C6-18 aliphatic alkylenediamine repeat units, and from 1 to 100 parts by weight of a polybromostyrene (B), comprising from 0.5 to 100% by weight of a polybromostyrene having an epoxy group. Molded articles prepared from the polyamide resin composition of the present invention have good flame retardancy, good chemical resistance, good surface appearance and good blistering resistance.Type: GrantFiled: September 12, 2001Date of Patent: July 2, 2002Assignee: Kuraray Co., Ltd.Inventors: Hideharu Matsuoka, Hideaki Oka, Shigeru Sasaki
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Publication number: 20020072558Abstract: A rubber derivative comprises a coordination compound of a natural or synthetic rubber containing double bonds and/or epoxy or other groups containing an electronegative atom or atoms and preferably having a weight average molecular weight of from 20,000 to 90,000, more preferably, 20,000 to 85,000, especially about 80,000, with an alkali or alkaline earth metal.Type: ApplicationFiled: December 7, 2001Publication date: June 13, 2002Applicant: University Sains MalaysiaInventor: Mas Rosemal Hakim b Mas Haris
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Publication number: 20020058781Abstract: Applicant has discovered processes for preparing polyglycerols and polyglycerol esters in high yield and with minimal formation of cyclic polyglycerols and cyclic polyglycerol esters. Furthermore, the processes of this invention produce a high proportion of linear polyglycerols and polyglycerol esters. The linear polyglycerols have very desirable physical characteristics, including a clear appearance at melt, a desirable Gardner color, a mild odor, and a bland taste. The polyglycerols and polyglycerol esters prepared by the method of the present invention are well suited for use as cosmetic and food additives. Since few, if any, cyclic polyglycerols and polyglycerol esters are formed by the processes of this invention, costly and time consuming distillation steps to remove such by-products are not needed.Type: ApplicationFiled: November 6, 2001Publication date: May 16, 2002Inventor: Daniel Wayne Lemke
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Patent number: 6387518Abstract: A composition which is useful for producing profiles and cable insulation which retain their function in the event of fire, comprise peroxidically crosslinking or condensation-crosslinking silicone rubber, metal oxides selected from magnesium oxide, aluminum oxide, tin oxide, calcium oxide and barium oxide and metal compounds of this class which produce oxides on heating, boric acid, zinc borate, and a platinum complex having at least one unsaturated group.Type: GrantFiled: December 1, 1999Date of Patent: May 14, 2002Assignee: Wacker-Chemie GmbHInventors: Dietrich Wolfer, Wilhelm Marsch, Peter Gerhardinger
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Patent number: 6387981Abstract: A dental material comprising a hardenable resin, a non-heavy metal oxide particle and a heavy metal oxide. The dental materials can be radiopaque, strong, translucent, or resistant to toothbrush abrasion, or combinations thereof.Type: GrantFiled: October 28, 1999Date of Patent: May 14, 2002Assignee: 3M Innovative Properties CompanyInventors: Xiaodong Zhang, Brant Ulrick Kolb, Douglas Alan Hanggi, Sumita Basu Mitra, Paula D'Nell Ario, Richard Paul Rusin
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Patent number: 6379806Abstract: A thermally conductive heat-resistant silicone rubber composite sheet which has a heat-resistant resin film layer on at least one side of a silicone rubber sheet and can be suitably used in a hot pressing process, with the silicone rubber sheet being a sheet molded of a silicone rubber composition that comprises (A) 100 parts by weight of organopolysiloxanes having an average polymerization degree of at least 200, (B) 0 to 150 parts by weight of carbon black containing volatile impurities except water in a content of at most 0.5 weight %, (C) 0 to 1,600 parts by weight of at least one thermally conductive substance selected from the group consisting of metals, metal oxides, metal nitrides and metal carbides and (D) a curing agent, provided that the total proportion of the components (B) and (C) is from 10 to 1,600 parts by weight, and having a volatile impurity content of at most 0.2 weight % when it is heated at 150° C. for 3 hours: and a method of producing the aforesaid composite sheet.Type: GrantFiled: July 6, 2000Date of Patent: April 30, 2002Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toru Takamura, Akio Nakano
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Publication number: 20020049273Abstract: Proposed are system putties comprising three components, wherein component I is an accelerated stone putty and component II is a non-accelerated stone putty containing at least one stabilizer and component III contains at least organic peroxide.Type: ApplicationFiled: May 9, 2000Publication date: April 25, 2002Inventors: PETER SCHLINGELHOFF, WILLIBALD KIRSCHNER, DIETER ZIMMERMANN
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Patent number: 6375864Abstract: The invention provides compositions and molded, extruded or formed phosphorescent plastic articles produced therefrom that contain non-radioactive, non-sulfide phosphorescent phosphor pigments that emit light in the visible spectrum, preferably metal oxide aluminate:europium-activated phosphorescent phosphor pigments, preferably in combination with polymer-soluble daylight fluorescent dyes, in transparent or translucent resins. The plastic articles produced from the compositions of the invention exhibit a remarkably rich, attractive, clear, brilliant fluorescent daylight color and a strong, long-lasting glow-in-the-dark luminescence having a color similar to that of the daylight color.Type: GrantFiled: November 10, 1998Date of Patent: April 23, 2002Assignee: M.A. HannaColor, a division of M.A. Hanna CompanyInventors: Tracy L. Phillips, Jerry Alan Bodi
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Patent number: RE37756Abstract: A fuser member useful for heat-fixing an electrographic toner to a substrate. The fuser member has a core and a layer overlying the core. That layer includes a cured fluorocarbon random copolymer having subunits with the general structures: where x is from 30 to 90 mole percent, y is from 10 to 70 mole percent, and z is from 0 to 34 mole percent. The layer incorporates particulate filler. The filler includes aluminum oxide and a material selected from the group consisting of alkaline earth metal oxides, alkaline earth metal hydroxides, and combinations thereof. The filler has a total concentration in the layer of from about 25 to 50 percent of the total volume of the layer. The aluminum oxide has a concentration of from 20 to 40 percent of the total volume of the layer.Type: GrantFiled: January 20, 1999Date of Patent: June 18, 2002Inventors: Jiann H. Chen, John J. Fitzgerald, William B. Vreeland, II, Wayne T. Ferrar, Gary F. Roberts, William J. Staudenmayer