Metal Atom Other Than Aluminum, E.g., Zeolites, Etc. Patents (Class 524/450)
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Publication number: 20030153652Abstract: The present invention provides a chlorine-containing polymer vulcanizing composition with improved preservation stability. The present invention is a chlorine-containing polymer vulcanizing composition obtained by blending (a) a zeolite compound, (b) a vulcanizing agent, and (c) an optional organic vulcanization accelerator. The zeolite compound can be natural zeolite, an A-type, X-type, or Y-type synthetic zeolite, a sodatite, natural or synthetic mordenite, ZSM-5, or a metal substitution product thereof. The zeolite compound is preferably an activated zeolite compound. With respect to 100 parts by weight of chlorinated polyethylene, (a) preferably 0.5 to 30 parts by weight, more preferably 5 to 25 parts by weight, of the zeolite compound, (b) preferably 0.1 to 5 parts by weight, more preferably 0.5 to 3 parts by weight, of the vulcanizing agent, and (c) preferably 0.5 to 3 mol, more preferably 0.7 to 1.5 mol, of the vulcanization accelerator with respect to 1 mol of (b) the vulcanizing agent are blended.Type: ApplicationFiled: November 18, 2002Publication date: August 14, 2003Applicant: DAISO CO., LTDInventors: Kazuya Tsujimura, Kozo Misumi, Toshiyuki Funayama, Kazunori Yokoyama
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Publication number: 20030149157Abstract: A humidity responsive control device consists of a package having at least one face that is a permeable to liquid and gases and water vapour and is formed by mixing together a) 5 to 50% by weight of a hygroscopic polyacrylate and/or PVA polymer, b) 10 to 60% of porous silica minerals such as vermiculite and perhte, c) 5 to 50% of an absorbent such as zeolite or activated carbon for small molecules such as ammonia and d) 5 to 60% by weight of an aqueous emulsion of a mixture of an active ingredient of one or more of a bacteriocidal, fungicidal or odour masking compounds. The device is effective at eliminating and masking odours under varying humidity conditions.Type: ApplicationFiled: October 8, 2002Publication date: August 7, 2003Inventors: David John Tomlinson, Wayne John Linklater
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Patent number: 6602944Abstract: A pressure sensitive adhesive/cohesive exhibits excellent cohesive body properties, and other desirable features, even when exposed to heat and polysiloxane based lubricants, such as in a laser printer. The formulation comprises 100 parts by weight natural rubber (e.g. electrosterically stabilized natural rubber graft and block terpolymer), and expressed as percentages by weight of the rubber the following components: about 5-35% (e.g. about 28%) acrylate monomer or monomers (such as methyl methacrylate, cyclohexyl methacrylate, benzyl methacrylate, and/or isobornyl methacrylate); about 0.5-8% acrylic acid and/or about 1-10% 4-acetoxystyrene; about 0-20% ethyl hexyl acrylate; about 1-50% (e.g.Type: GrantFiled: February 22, 2001Date of Patent: August 5, 2003Assignee: Moore North America, Inc.Inventor: Milind Vaidya
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Patent number: 6596401Abstract: The invention is drawn to silane copolymers prepared from the reaction of one or more polyisocyanates with one or more lubricious polymers having at least two functional groups, which may be the same or different, that are reactive with an isocyanate functional group and with one or more organo-functional silanes having at least two functional groups, which may be the same or different, that are reactive with an isocyanate functional group and at least one functional group reactive with a silicone rubber substrate. The silane copolymers of the invention can be used as coatings that are elastic when dry, lubricious when wet, and resist wet abrasion. These copolymers are useful as coatings for polysiloxane (rubber) and other difficult to coat substrates, especially for medical devices, such as catheters. These silane copolymers can contain active agents such as antimicrobials, pharmaceuticals, herbicides, insecticides, algaecides, antifoulants, and antifogging agents.Type: GrantFiled: May 10, 2000Date of Patent: July 22, 2003Assignee: C. R. Bard Inc.Inventors: Richard N. Terry, Kevin Walsh
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Patent number: 6586549Abstract: The present invention provides: a water-absorbing composition such that portions containing the water-absorbing composition in a high concentration exhibit excessive-liquid permeation buffering effects in absorbent articles comprising the water-absorbing composition and hydrophilic fibers; and a use of this water-absorbing composition. The water-absorbing composition comprises a water-absorbent resin and an excessive-liquid permeation buffer, wherein the water-absorbent resin is a product by a process including the step of further crosslinking the surface vicinity of a crosslinked polymer, and this water-absorbing composition is characterized by having a liquid permeation buffering index of not less than 0.Type: GrantFiled: July 6, 2000Date of Patent: July 1, 2003Assignee: Nippon Shokubai Co., Ltd.Inventors: Takumi Hatsuda, Kazuki Kimura, Koji Miyake, Eri Goto, Katsuyuki Wada
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Publication number: 20030119937Abstract: Certain non-silicone vulcanized rubber articles made from at least a majority by weight of ethylene-propylene-diene modified (terpolymer) rubber (such as, without limitation, EPDM and/or NBR) that include silver-based compounds to provide highly desirable long-term antimicrobial characteristics within the cured rubber articles, at least a portion of which exhibits a color other than black, are provided. Such articles are in either solid or blown (foam or sponge) state (or combinations of both in multilayered forms, either all colored or individual layers colored) that can be utilized in a variety of different applications. As silver-based compounds are deleteriously affected by utilization of standard curing agents and curing accelerators, such as sulfur-based compounds and/or systems, the ability to provide such an effective antimicrobial vulcanized rubber article is rather difficult.Type: ApplicationFiled: December 12, 2001Publication date: June 26, 2003Inventors: Bhawan Patel, David L. Morris, Geoffrey Haas, William O. Burke
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Publication number: 20030114559Abstract: A process for producing a styrenic resin composition includes the step of compounding a styrenic resin with greater than 2 wt % water and an antioxidant which is prepared by blending (a) 20 to 99.9 wt % of organic phosphite or phosphonite with (b) 0.1 to 80 wt % of acid-binding metal salt treated with a surface conditioning agent, prior to compounding with the styrenic resin.Type: ApplicationFiled: September 20, 2002Publication date: June 19, 2003Applicant: CHI MEI CORPORATIONInventors: Wen-Yi Su, Perry Dong-Bi Shiueh
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Patent number: 6562452Abstract: The present invention includes a method of making an edge assembly for an insulating glass unit, the edge assembly including a closed hollow spacer, the method comprising (1) dispensing a flowable desiccating matrix formulation onto a portion of the spacer which will be inside the hollow spacer when the spacer has been closed; (2) allowing or causing the formulation to solidify into a solid matrix and to detach from any attachment to the spacer; and (3) closing the spacer whereby the detached matrix will be retained within the spacer.Type: GrantFiled: January 10, 2001Date of Patent: May 13, 2003Assignee: TruSeal Technologies, Inc.Inventor: Louis Anthony Ferri
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Publication number: 20030088010Abstract: The invention relates to a process for trapping a free monomer which has not reacted by copolymerization or by grafting comprising at least one epoxide functional group in a thermoplastic composition based on ethylene and/or on propylene and based on at least one monomer comprising at least one epoxide functional group, the said process comprising the following stages:Type: ApplicationFiled: October 11, 2002Publication date: May 8, 2003Applicant: AtofinaInventor: Thierry Senninger
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Patent number: 6559244Abstract: A processable poly(hydroxy acid) composition which has been stabilized by adding to the polymer during the melt processing stage 0.05-3% by weight of a peroxy compound the degradation of which produces one or more acid radicals, and which has good melt strength and elasticity. The melt strength is high enough to produce films with conventional methods as the film blowing method.Type: GrantFiled: October 16, 1995Date of Patent: May 6, 2003Assignee: Neste OyInventors: Anders Sodergard, Johan-Fredrik Selin, Maria Niemi, Carl-Johan Johansson, Kersin Meinander
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Publication number: 20030060543Abstract: The present invention provides additive packages for polyolefins The additive packages of the present invention comprise at least one non-phenolic antioxidant and a hindered amine light stabilizer. The additive packages may contain other additives as needed, and may optionally include an acid scavenger. Articles made from the resultant polymers, such as radiator surge tanks, exhibit enhanced stain and discoloration resistance upon exposure to high temperatures and harsh chemicals such as those experienced in “under the hood” spaces of modem automobiles.Type: ApplicationFiled: May 29, 2001Publication date: March 27, 2003Inventors: Steven David Seip, Sharon Edwards Thompson, Edwin B. Townsend
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Patent number: 6531533Abstract: Halogen-containing polymers or the recyclates thereof are stabilized by the addition of (a) a halogen-containing polymer or a recyclate thereof; (b) at least one zeolite in the form of sodium, potasssium and/or lithium, in particular at least one zeolite of formula M2O.Al2O3.x SiO2.y H2O (I), wherein M is Na, K or Li, x is 2 to 12, and y is 1 to 15, with the exception of zeolite A, Na12Al12Si12O48.27 H2O and clinoptilolite Na6Al6Si30O72.2 H2O, (c) at least one organic zinc, aluminium or rare earth compound, and/or (d) at least one organotin compound, as described in more detail in claim 1.Type: GrantFiled: February 12, 1997Date of Patent: March 11, 2003Assignee: Crompton Vinyl Additives GmbHInventors: Karl Josef Kuhn, Wolfgang Wehner, Rolf Drewes
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Publication number: 20030045622Abstract: The present invention provides a highly economical process for production of an inorganic filler-containing polyolefin resin composition, and a production apparatus to be used for the process, whose process is characterized by carrying out a continuous series of steps from an olefin polymerization step up to a kneading/pelletizing step wherein the polyolefin resin obtained by the polymerization step is kneaded and pelletized with an inorganic filler and various additives.Type: ApplicationFiled: April 4, 2002Publication date: March 6, 2003Applicant: Tamio SeritaInventors: Takehiko Enomoto, Tamio Serita
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Patent number: 6524413Abstract: A method for manufacturing a preservation mat board for use in framing a picture frame. The mat board includes a top facing layer and/or backing layer, each comprising a buffer and/or deacidifying agent, adhered to a middle board or layer by an adhesive containing zeolites. Another embodiment discloses mixing polystyrene pellets with zeolite using an extruder and one or more blowing agents to form a foam material. One or more paper layers comprising a buffer and/or deacidifying agent are heat-fused, without the use of adhesives, to the surface of the foam to form a preservation mat board.Type: GrantFiled: August 9, 2000Date of Patent: February 25, 2003Assignee: Nielsen & Bainbridge LLCInventors: Martin Dowzall, David Wellings Pointon
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Patent number: 6514606Abstract: A pressure-sensitive adhesive sheet for skin adhesion in which an adhesive force of the pressure-sensitive adhesive on the backing film does not lower greatly even with the lapse of long term and the initial adhesive force is substantially maintained, and a first-aid adhesive plaster using the same are disclosed. The pressure-sensitive adhesive sheet for skin adhesion comprises a backing film and a pressure-sensitive adhesive layer for skin adhesion formed on one side of the backing film, wherein the backing film comprises about 40 to about 70 parts by weight of a polyester plasticizer having a number average molecular weight of about 1,500 to about 3,000, an appropriate amount of a stabilizer comprising at least one metallic soap selected from the group consisting of fatty acid calcium, fatty acid zinc and fatty acid barium, and about 0.1 to about 1.0 part by weight of hydrotalcite per 100 parts by weight of a vinyl chloride polymer.Type: GrantFiled: September 13, 1999Date of Patent: February 4, 2003Assignee: Nitto Denko CorporationInventors: Takashi Kinoshita, Yasuyuki Sasaki, Masayoshi Kuniya
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Publication number: 20030018112Abstract: A chlorinated vinyl chloride resin composition comprising 100 parts by weight of chlorinated vinyl chloride resin and a hydroxypolycarboxylic acid salt, e.g., sodium tartrate, and/or 0.2 to 1.5 parts by weight of zeolite. The composition exhibits improved thermal stability and is particularly suited to pipe extrusion.Type: ApplicationFiled: September 4, 2002Publication date: January 23, 2003Applicant: KANEKA CORPORATIONInventors: Toshio Okuhara, Tadashi Tadokoro, Hiroaki Shiota, Takeyuki Suzuki, Minoru Isshiki
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Patent number: 6503616Abstract: The low intrinsic viscosity drop, low acetaldehyde, polyesters and polyamides of the invention typically produce packaging materials such as bottles and fibers. The polyester, generally PET, uses additives such as fumed silicon dioxide. The additives are added in small amounts for achieving the following benefits: (i) lower I.V. (intrinsic viscosity) drop during the injection molding process; (ii) lower levels of acetaldehyde in the resultant preforms/bottles. In another embodiment, micronized particles less than 0.1 micron in size hastens the shift of the higher temperature crystallization peak from 160˜170° C. to 130˜150° C. for virgin and freshly produced polyethylene terephthalate polymer chips and hence shortening or eliminating the expensive relaxation/storage time before other processing. This thereby avoids distorted or fused chips in the finished product.Type: GrantFiled: April 5, 2000Date of Patent: January 7, 2003Assignee: P. T. Indorama SyntheticsInventor: Rajesh Jalan
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Patent number: 6500884Abstract: The present invention provides a chlorine-containing polymer vulcanizing composition with improved preservation stability. The present invention is a chlorine-containing polymer vulcanizing composition obtained by blending (a) a zeolite compound, (b) a vulcanizing agent, and (c) an optional organic vulcanization accelerator. The zeolite compound can be natural zeolite, an A-type, X-type, or Y-type synthetic zeolite, a sodalite, natural or synthetic mordenite, ZSM-5, or a metal substitution product thereof. The zeolite compound is preferably an activated zeolite compound. With respect to 100 parts by weight of chlorinated polyethylene, (a) preferably 0.5 to 30 parts by weight, more preferably 5 to 25 parts by weight, of the zeolite compound, (b) preferably 0.1 to 5 parts by weight, more preferably 0.5 to 3 parts by weight, of the vulcanizing agent, and (c) preferably 0.5 to 3 mol, more preferably 0.7 to 1.5 mol, of the vulcanization accelerator with respect to 1 mol of (b) the vulcanizing agent are blended.Type: GrantFiled: June 10, 1999Date of Patent: December 31, 2002Assignee: Daiso Co., Ltd.Inventors: Kazuya Tsujimura, Kozo Misumi, Toshiyuki Funayama, Kazunori Yokoyama
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Patent number: 6492452Abstract: The present invention discloses water-responsive, and optionally flushable compositions with improved stability to aqueous fluids comprising water or water vapor. The compositions of the 10 present invention comprise a water-responsive polymer and organically modified clay particles. In one embodiment, the water-responsive polymer is a polymer of ethylene oxide, specifically poly(ethylene oxide) and specific graft copolymers of poly(ethylene oxide). Films of the present invention are water-responsive and breathable and are especially useful for personal care applications including disposable diapers, feminine pads, pantiliners and training pants. Advantageously, compositions of the present invention have reduced melt viscosity and are more easily melt processed into films, fibers and other articles.Type: GrantFiled: December 30, 1999Date of Patent: December 10, 2002Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Vasily A. Topolkaraev, James H. Wang, Thomas A. Eby
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Patent number: 6486252Abstract: The present invention relates to a composition comprising (i) a layered clay material that has been cation-exchanged with an organic cation salt represented by Formula (I): wherein M is nitrogen or phosphorous, X− is a halide, hydroxide, or acetate anion, R1 is a straight or branched alkyl group having at least 8 carbon atoms, and R2, R3, and R4 are independently hydrogen or a straight or branched alkyl group having 1 to 22 carbon atoms; and (ii) at least one expanding agent, wherein the cation-exchanged clay material contains platelet particles and the expanding agent separates the platelet particles. The present invention also relates to a composite comprising a polymer having dispersed therein a composition of this invention. Preferred polymers for use in the composite include polyesters. The composite of the present invention shows vastly improved platelet separation as evidenced by higher than previously reported basal spacing.Type: GrantFiled: June 22, 1999Date of Patent: November 26, 2002Assignee: Eastman Chemical CompanyInventors: Robert Boyd Barbee, James Christopher Matayabas, Jr., Jack Wesley Trexler, Jr., Rodney Layne Piner, John Walker Gilmer, Gary Wayne Connell, Jeffrey Todd Owens, Sam Richard Turner
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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: 20020156201Abstract: The present invention relates to titanium and zirconium compounds of the formulaeType: ApplicationFiled: June 17, 2002Publication date: October 24, 2002Applicant: The Goodyear Tire & Rubber CompanyInventors: Giorgio Agostini, Mario Corigliano, Uwe Ernst Frank
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Patent number: 6465543Abstract: The present invention is a nanocomposite which is a dispersion of nanofiller particles derived from layered metal oxides or metal oxide salts. The nanocomposite is advantageously prepared by first swelling an untreated clay in water, then removing the water to form an organophilic clay that is dispersible in non-polar organic solvents. The organophilic clay can then be treated with an alkyl aluminoxane and subsequently a catalyst to form a complex that promotes olefin or styrenic polymerization and platelet dispersion. The nanocomposite can be prepared directly by in situ polymerization of the olefin or the styrene at the nanofiller particles without shear, without an ion exchange step, and without the need to incorporate polar substituents into the polyolefin or polystyrene.Type: GrantFiled: December 21, 2000Date of Patent: October 15, 2002Assignee: The Dow Chemical CompanyInventors: Michael Alexandre, Philippe G. Dubois, Robert J. E. G. Jerome, Miguel Garcia-Marti, Tao Sun, Juan M. Garces, Dean M. Millar, Alexander Kuperman
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Patent number: 6448306Abstract: Certain butadiene and/or natural rubber articles, such as acrylonitrile-butadiene rubber (NBR), natural rubber, and derivatives thereof, that exhibit highly desirable long-term effective antimicrobial characteristics. Such formulations are intended to be vulcanized to provide solid or foam rubber articles which can be utilized in a variety of different applications. Preferably such butadiene rubber formulations comprise silver-based antimicrobial compounds. As such silver-based compounds are deleteriously affected by utilization of standard non-silicone-rubber curing agents, such as sulfur-based catalysts, the ability to provide such an effective antimicrobial vulcanized rubber article is rather difficult. However, the invention encompasses the utilization of different catalyst species that permit vulcanization and silver stability for long-term antimicrobial performance of the silver-based compounds.Type: GrantFiled: March 23, 2001Date of Patent: September 10, 2002Assignee: Milliken & CompanyInventors: John G. Lever, Geoffrey R. Haas, Bhawan Patel, William O. Burke, III, Robert C. Kerr
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Patent number: 6433122Abstract: A method for producing organopolysiloxane comprising (A) polymerizing or increasing the viscosity of straight-chain or cyclic organo(poly)siloxane using an acid-active solid catalyst, (B) adding at least one zeolite solid adsorbent, and (C) thereafter filtering off the adsorbent.Type: GrantFiled: November 17, 2000Date of Patent: August 13, 2002Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Shuzo Toida, Yohkichi Yamamoto, Naoji Kawamura
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Patent number: 6418661Abstract: A hydrotalcite compound which has the excellent ability to absorb infrared rays and has excellent light transmission when contained in an agricultural film; a process for producing the compound; and an infrared absorber and an agricultural film both containing the compound. The hydrotalcite compound is characterized by retaining as the interlayer anions at least one kind of anions selected among ions of silicon-, phosphorus-, and boron-containing polymeric oxyacids and another kind of anions.Type: GrantFiled: August 1, 2000Date of Patent: July 16, 2002Assignee: Kyowa Chemical Industry Co LtdInventors: Hideo Takahashi, Akira Okada
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Patent number: 6417286Abstract: The present invention relates to titanium and zirconium compounds of the formulae (R1—O&Parenclosest;yX&Parenopenst;O—R2—W)z I wherein each R1 is independently selected from the group consisting of alkyl radicals having from 1 to 8 carbon atoms; R2 is a divalent radical selected from the group consisting of alkylenes having 1 to 15 carbon atoms, arylene and alkyl substituted arylene groups having 6 to 10 carbon atoms; W is an epoxy group; and y is an integer of from 1 to 3, z is an integer of from 1 to 3 and the sum of y and z equals 4; and X is titanium or zirconium.Type: GrantFiled: July 25, 2000Date of Patent: July 9, 2002Assignee: The Goodyear Tire & Rubber CompanyInventors: Giorgio Agostini, Mario Corigliano, Uwe Ernst Frank
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Patent number: 6414071Abstract: The present invention describes halogenated polymer resins stabilized with one or more co-stabilizers, at least one co-stabilizer comprising a synthetic crystalline aluminosilicate of the formula M2/nO.Al2O3.ySiO2.wH2O, in which M is a charge balancing cation, n is the valence of M and is 1 or 2, y is the number of moles of SiO2 per mole of Al2O3, and is 1.85 to 15 with a preferred range of about 2 to 5, and w is the moles of water of hydration per molecule of said aluminosilicate, wherein said aluminosilicate has a mean crystallite size in the range of about 0.01 &mgr;m to about 1 &mgr;m and a mean particle size in the range of about 0.1 to 10 &mgr;m. Also described is a method for stabilizing halogenated polymers such as PVC and CPVC by incorporating said aluminosilicate into a formulation thereof. A zeolite process improvement for creating a dehydrated zeolite that does not substantially rehydrate is also described.Type: GrantFiled: July 31, 2000Date of Patent: July 2, 2002Assignee: PQ CorporationInventors: Roman Wypart, Gayatri Sidart Rav, William Edward Cormier
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Patent number: 6410630Abstract: A high solids content composition containing a fluoroelastomer, a solvent, and a low solvent absorptine filler is workable to fill voids, coat, adhere, seal, and protect various substrates from chemical permeation, corrosion, abrasion, etc. in horizontal or vertical applications. The fluoroelastomer component comprises copolymers of hexafluoropropylene and vinylidene flouride and/or terpolymers of hexafluoropropylene, vinylidene fluoride, and tetrafluoroethylene. The solids content of the composition is at least about 75%. The composition may include a curing agent to solidify the composition.Type: GrantFiled: December 29, 1999Date of Patent: June 25, 2002Assignee: Pelseal Technologies, LLCInventors: Gary Scott Hoover, Edwin William Ross, Jr.
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Patent number: 6403676Abstract: A composite for a dental restoration is presented comprising ground, densified, embrittled glass fibers together with fillers and a polymeric matrix precursor composition. The ground, densified, embrittled glass fibers are obtained by grinding glass fibers which have been densified and embrittled by heating glass fibers at a temperature substantially below the softening point of the glass fibers, without significant fusion or melting together of the fibers. The composite is particularly useful as a direct filling material, in that it has the feel and workability of an amalgam.Type: GrantFiled: December 15, 1999Date of Patent: June 11, 2002Assignee: Jeneric/Pentron IncorporatedInventors: Weitao Jia, Martin L. Schulman, Arun Prasad, Bruce Alpert
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Publication number: 20020065337Abstract: A low-viscosity dental material contains a non-settling nanoscale filler. Improvements of the mechanical properties of the dental materials, including the abrasive resistance and the compressive strength are provided. Furthermore, the dental materials have increased resistance to microleakage and have increased bond strengths. The filler forms a stable sol with low-viscosity dental materials and the filler may be prepared by surface treatment of fillers having a primary particle size of from about 1 to about 100 nanometers.Type: ApplicationFiled: November 19, 2001Publication date: May 30, 2002Applicant: DENTSPLY DeTrey GmbH.Inventor: Kai Pflug
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Publication number: 20020064651Abstract: A pressure-sensitive adhesive sheet for skin adhesion in which an adhesive force of the pressure-sensitive adhesive on the backing film does not lower greatly even with the lapse of long term and the initial adhesive force is substantially maintained, and a first-aid adhesive plaster using the same are disclosed. The pressure-sensitive adhesive sheet for skin adhesion comprises a backing film and a pressure-sensitive adhesive layer for skin adhesion formed on one side of the backing film, wherein the backing film comprises about 40 to about 70 parts by weight of a polyester plasticizer having a number average molecular weight of about 1,500 to about 3,000, an appropriate amount of a stabilizer comprising at least one metallic soap selected from the group consisting of fatty acid calcium, fatty acid zinc and fatty acid barium, and about 0.1 to about 1.0 part by weight of hydrotalcite per 100 parts by weight of a vinyl chloride polymer.Type: ApplicationFiled: September 13, 1999Publication date: May 30, 2002Inventors: TAKASHI KINOSHITA, YASUYUKI SASAKI, MASAYOSHI KUNIYA
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Patent number: 6395816Abstract: Disclosed are a rubber compound for a golf ball comprising a base rubber, a metal salt of an &agr;,&bgr;-unsaturated carboxylic acid, an organic peroxide, and synthetic zeolite, wherein the content of the synthetic zeolite is in a range of 0.1 to 15 parts by weight on the basis of 100 parts by weight of the base rubber, and a golf ball including a center core made from the above rubber compound for a golf ball. The rubber compound is usable for a center core of a solid golf ball or a thread wound golf ball, whereby the initial velocity of the center core can be increased and the degree of freedom in design of the golf ball can be enlarged.Type: GrantFiled: February 6, 2001Date of Patent: May 28, 2002Assignee: Bridgestone Sports Co., Ltd.Inventor: Nobuyuki Kataoka
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Patent number: 6391449Abstract: This invention relates to a polymer-clay intercalates, exfoliates, nanocomposites and methods of manufacturing comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a mixture of at least two layered clay materials. The invention also relates to articles produced from a nanocomposite and a process for preparing a nanocomposite.Type: GrantFiled: December 1, 1999Date of Patent: May 21, 2002Assignee: AMCOL International CorporationInventors: Tie Lan, Vasiliki Psihogios, Robert Boyd Barbee, James Christopher Matayabas, Jr., John Walker Gilmer
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Patent number: 6387980Abstract: The invention provides dental composition system having curable liquid which is useful alone as a light curable composition and which is useful by mixing with a powder in preselected proportions to form dual cure compositions. The composition system is useful as bonding agent, cement, liner, base, restorative, pit and fissure sealants, and/or core build-up material, having improved adhesion to dentin. After storing the powder and the liquid in separate containers for at least two weeks and then mixing a portion of the powder and a portion of the liquid to form a mixture, the polymerizable compound polymerizes within 20 minutes of the mixing to form a first polymeric material having a flexural strength of at least 50 MPa, and an expansion in water at 37° C. after 90 days of less than 1 percent by volume.Type: GrantFiled: November 29, 2000Date of Patent: May 14, 2002Assignee: Dentsply Research & Development Corp.Inventors: Kewang Lu, Paul D. Hammesfahr
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Publication number: 20020055577Abstract: A composition including a thermoplastic resin, and a combustion accelerator composed of an inorganic carrier and a platinum group element supported on the inorganic carrier in an amount of 0.001-0.2% by weight based on a total weight of the inorganic carrier and the platinum group element. The combustion accelerator is in the form of particles and present in such an amount that the concentration of the platinum group element is 0.5-100 ppm by weight based on a total weight of the combustion accelerator and the thermoplastic resin.Type: ApplicationFiled: September 17, 2001Publication date: May 9, 2002Inventors: Kunio Kanaoka, Hitoshi Taniguchi, Suminori Tanaka, Masanao Orihara, Yoshiro Tange
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Patent number: 6372837Abstract: The invention relates to a method for preparing a nanocomposite material based on a polymeric matrix and a layered double hydroxide, comprising the steps of: a) providing a layered double hydroxide which contains an amount of anions of at least 20%, based on the total number of anions of the layered double hydroxide, which anions are compatible and/or reactive with the polymeric matrix: b) mixing the layered double hydroxide with a monomeric material for forming the polymeric matrix, in an amount such that the polymeric matrix is present in the nanocomposite material in an amount of at least 50% by weight, based on the nanocomposite material; c) polymerizing the monomeric material to form the polymeric matrix. The invention further relates to a nanocomposite material obtainable by such method and to a shaped article manufactured from such nanocomposite material.Type: GrantFiled: August 31, 2000Date of Patent: April 16, 2002Assignee: Nederlandse Organisatie voor Toegepast Natuurweten Schappelijk Onderzoek TNOInventors: Hartmut Rudolph Fischer, Leon Hubertus Gielgens
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Patent number: 6372333Abstract: A composition containing a function improver and an inorganic porous crystals-hydrophilic macromolecule composite wherein the hydrophilic macromolecule contains inorganic porous crystals in its inner matrix, and a product made therefrom The product, textile, nonwoven fabric, paper and laminate obtained from the composition of the present invention come to have high strength in addition to the gas adsorption capability, volatile organic solvent removing capability, noncombustibility, heat insulating property, and heavy metal and radioactive element removing capability that the inorganic porous crystals-hydrophilic macromolecule composite (A) possesses. It is also possible to improve a touch and the like, so that the composition is useful as a material having additional functions.Type: GrantFiled: February 24, 1999Date of Patent: April 16, 2002Assignee: Rengo Co., Ltd.Inventors: Kouju Sugiyama, Maki Nakano, Takaaki Utsunomiya, Yoshinobu Fujimoto
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Patent number: 6365661Abstract: The invention relates to a nanocomposite material based on a polymeric matrix and a layered double hydroxide, wherein the polymeric matrix is present in an amount of at least 50% by weight, based on the nanocomposite material, and wherein the layered double hydroxide contains an amount of anions of at least 20%, based on the total number of anions of the layered double hydroxide, which anions are compatible and/or reactive with the polymeric matrix, and wherein at least 5% of the above amount of anions contain a second charge-carrying group. The invention further relates to a method for preparing such a nanocomposite material and to a shaped article from such a nanocomposite material.Type: GrantFiled: October 20, 2000Date of Patent: April 2, 2002Assignees: Nederlandse Organisatie voor Toegepast, Natuurwetenschappelijk Onderzoek TNOInventors: Hartmut Rudolph Fischer, Leon Hubertus Gielgens
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Patent number: 6359052Abstract: The present invention relates to a polyester-platelet particle composite comprising at least one polyester having dispersed therein a platelet particle dispersion comprising chalcogen or platelet particles and at least one water dissipatible polymer.Type: GrantFiled: August 1, 2000Date of Patent: March 19, 2002Inventors: Jack Wesley Trexler, Jr., Rodney Layne Piner, Sam Richard Turner, Robert Boyd Barbee
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Publication number: 20020032266Abstract: Low-emission polymers that contain at least one zeolite of structural type ZSM-S.Type: ApplicationFiled: April 25, 2001Publication date: March 14, 2002Inventors: Elfriede Sextl, Frank Heindl, Hans-Josef Maier
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Patent number: 6355710Abstract: A rubber composition comprising (A) at least one natural or synthetic diene rubber, (B) an inorganic filler comprising at least one of silica and silicates as the main component and (C) an addition salt of an amine represented by general formula (I): wherein R1 represents a C8 to C24 alkyl group, an aryl group or an aralkyl group, R2 and R3 represent a hydrogen atom, a C1 to C12 alkyl group, an aryl group, an aralkyl group or a hydroxyalkyl group and R4 represents a C6 to C24 alkyl or alkenyl group, an aryl group or an aralkyl group; and a pneumatic tire produced by using the rubber composition.Type: GrantFiled: August 28, 2000Date of Patent: March 12, 2002Assignees: Bridgestone Corporation, Kao CorporationInventors: Kazuhiro Yanagisawa, Masaaki Tsuchihashi, Isao Nishi, Tetsuo Takano
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Patent number: 6355717Abstract: The present invention provides barrier composite resin compositions and moulded bodies, comprising (a) aromatic polyamide resins or polyamide resin compositions containing at least one aromatic polyamide resin, and (b) a layered silicate modified by a triazine compound derivative.Type: GrantFiled: August 4, 2000Date of Patent: March 12, 2002Assignee: EMS-Chemie AGInventors: Kenji Tamura, Hirofumi Inoue, Junichi Nakamura, Masayuki Noguchi, Tsuguo Ebata
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Patent number: 6353040Abstract: A dental composite material includes a hardenable resin matrix and a filler component. The filler component includes (a) a first plurality of preferably glass particles having an average particle size of from about 1 to about 10 micrometers; (b) a second plurality of preferably glass particles having an average particle size of from about 0.1 to about 1 micrometers; and, (c) a plurality of filler particles having an average particle size of from about 0.01 to about 0.04 micrometers. A method according to the invention includes compacting a dental composite material into a prepared tooth cavity, wherein the material has a packability index above about 300 g/mm2.Type: GrantFiled: July 6, 1998Date of Patent: March 5, 2002Assignee: Dentsply Research & Development Corp.Inventors: John C. Subelka, Steven R. Jefferies, Donald A. Kapperman, Paul D. Hammesfahr, Paul A. Silver
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Patent number: 6353045Abstract: The present invention relates to compounds of the formula where R1, R2 and R3 are independently selected from alkoxy radicals having from 1 to 8 carbon atoms and R4 is selected from the group consisting of alkenylenes, arylenes and alkyl-substituted arylenes having from 4 to 40 carbon atoms. These compounds may be used as silica couplers in rubber compositions.Type: GrantFiled: July 11, 2000Date of Patent: March 5, 2002Assignee: The Goodyear Tire & Rubber CompanyInventors: Francois Kayser, Wolfgang Lauer, Thierry Florent Edme Materne
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Publication number: 20020022678Abstract: This invention relates to a polymer-clay intercalates, exfoliates, nanocomposites and methods of manufacturing comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a mixture of at least two layered clay materials. The invention also relates to articles produced from a nanocomposite and a process for preparing a nanocomposite.Type: ApplicationFiled: December 1, 1999Publication date: February 21, 2002Inventors: TIE LAN, VASILIKI PSHIHOGIOS, ROBERT BOYD BARBEE, JAMES CHRISTOPHER MATAYABAS, JOHN WALKER GILMER
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Patent number: 6348164Abstract: Shelf stable liquid overbased calcium carboxylates are prepared by reacting a calcium base with a monocarboxylic acid, and carbonating in the presence of a promoter mixture with a phenol and an alcohol under controlled temperature conditions, to produce shelf stable liquids. Mixed metal stabilizer compositions are prepared by blending the stable liquid calcium carboxylate with a metal carboxylate of zinc, cadmium or tin. The mixed metal carboxylates are also shelf stable and are used for stabilizing halogen-containing polymers to provide heat stability, clarity and improved plate out properties.Type: GrantFiled: May 11, 1999Date of Patent: February 19, 2002Assignee: OMG Americas, Inc.Inventors: Rajesh Khattar, Benjamin Paul Labovitz, Paulette Baker
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Patent number: 6342305Abstract: The present invention relates to a substrate having therein or thereon a composition containing, at least one molecular includant. In one embodiment, the molecular includant comprises a cyclodextrin. The present invention also relates to the substrate further comprising at least one ultraviolet radiation transorber and also to the substrate further comprising a colorant. Additionally, the present invention relates to a method of making the substrate in which a composition comprising a molecular includant is incorporated into or onto the substrate. In one embodiment of this invention, the substrate has thereon or therein a colored composition comprising a colorant and a molecular includant. In another embodiment, the colorant is a mutable colorant which, upon irradiation in the present of an ultraviolet radiation transorber, can be mutated.Type: GrantFiled: December 28, 1999Date of Patent: January 29, 2002Assignee: Kimberly-Clark CorporationInventors: John Gavin MacDonald, Ronald Sinclair Nohr
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Publication number: 20020004547Abstract: Extinguishing medium in pasty to solid form for quenching electric arcs, consisting of a silicone polymer or a mixture of such silicone polymers, with the silicone polymer or the mixture of silicone polymers containing a mineral compound or a mixture of such compounds in powder form as a filler; use of the extinguishing medium to quench electric arcs in overcurrent-protection elements, in electronics and microelectronics; in high-voltage engineering; or in repeating fuses, and electrical devices, machines and systems which contain an extinguishing medium according to the invention.Type: ApplicationFiled: May 31, 2001Publication date: January 10, 2002Inventors: Uwe Kaltenborn, Jens Rocks, Pal Kristian Skryten
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Publication number: 20010051672Abstract: Dental materials based on cationically polymerizable monomers as binders, a polymerization initiator, and based on the dental material, 1-95 wt % of at least one inorganic filler, wherein the binder contains monomers of formula (I): 1Type: ApplicationFiled: March 30, 2001Publication date: December 13, 2001Inventors: Philipp Albert, Corinna Gall, Gerd Lohden, Harald Rentsch