Boron Directly Bonded To Oxygen Patents (Class 524/405)
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Patent number: 6166114Abstract: This invention relates to polyester and polyamide compositions which contain a flame retardant, one or more alkaline earth metal salts, and a reinforcing agent. The flame retardant includes a melamine phosphate compound. Addition of at least one alkaline earth metal salt maintains the physical properties and the electrical properties of the resin composition, which degrade upon addition of melamine or melamine salts, while retaining the desired flame retardancy.Type: GrantFiled: August 13, 1998Date of Patent: December 26, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Kevin Bodle Cosstick, Robert Valentine Kasowski
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Patent number: 6162851Abstract: A highly flame retardant, impact modified polyolefin alloy is described, the composition of which includes: at least one polyolefin; at least one halogenated organic flame retardant; at least one semi-crystalline ethylene copolymer impact modifier, the copolymer optionally being functionalized, at least one oxygen-containing metal compound wherein the metal is selected from the group consisting of Group III, IV, V, and VI of the Periodic Table; and at least one fluorocarbon, at least a portion of which is fibrillated or fibrillatable. Optionally, the alloy will contain at least one of a functionalized silicone polymer, a hydrated metal silicate, a hydrated metal borate, a primary antioxidant, and a secondary antioxidant. Such thermoplastic polymer blends/alloys can be produced by combining all ingredients in a melt and applying shear to the melt through means of a high shear internal/continuous mixer or an extruder.Type: GrantFiled: March 11, 1998Date of Patent: December 19, 2000Assignee: ICC Industries Inc.Inventors: Michael T. Wood, Steven D. Landau, Victor W. Lee, Ralph E. WyKoff
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Patent number: 6162850Abstract: The invention is high temperature emulsion composition comprising borax and a substantially water-insoluble polymer prepared by aqueous suspension polymerizing a blend of monomers, said blend comprising a plasticizing amount by weight of at least one plasticizing alkyl acrylate monomer, a hardening amount by weight of at least one hardening alkyl acrylate monomer and a crosslinking amount by weight of at least one multi-ethylenically unsaturated monomer, in an aqueous suspension comprising a water-soluble polymer component comprising at least one acrylic polymer having carboxylate functionality, its method of use and coated substrates made therewith.Type: GrantFiled: September 24, 1997Date of Patent: December 19, 2000Assignee: Cook Composites and Polymers Co.Inventors: Steve Boucher, Paul Whyzmuzis, deceased, Brenda Taipale, George A Smith, Joseph Sinka, Feng Ching
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Patent number: 6136902Abstract: To provide a polyacetal resin composition having an excellent corrosion inhibiting effect on metals, particularly reduced in the adverse effect on magnetic tapes or the like, and suitable for use in producing component parts of a magnetic tape cassette such as a reel hub or tape guide, 100 parts by weight of a polyacetal resin (A) is blended with 0.05 to 5 parts by weight of an antioxidant (B), 0.001 to 5 parts by weight of a specified nitrogen-containing compound (C), and 0.001 to 3 parts by weight of a boric acid compound.Type: GrantFiled: June 18, 1997Date of Patent: October 24, 2000Assignee: Polyplastics Co., Ltd.Inventors: Yoshihito Fukasawa, Sachio Anada
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Patent number: 6133378Abstract: High durometer, polymeric roofing shingles with varying colors and shades of color may be prepared from a composition of matter comprising 100 parts by weight of a ethylene-propylene-diene (EPDM) terpolymer; from 25 to about 400 parts by weight of at least one non-combustible filler per 100 parts of ethylene-propylene-diene (EPDM) terpolymer; from 0 to about 125 parts by weight of at least one combustible filler, per 100 parts of ethylene-propylene-diene (EPDM) terpolymer; from 0 to about 135 parts by weight of a thermoplastic modifying polymer; from 0 to about 10 parts by weight of reinforcing fibers, per 100 parts of ethylene-propylene-diene (EPDM) terpolymer; from about 20 to about 75 parts by weight of a processing oil per 100 parts of ethylene-propylene-diene (EPDM) terpolymer; and from about 1 to about 6 parts by weight of a sulfur cure package having at least two curing accelerators.Type: GrantFiled: November 20, 1998Date of Patent: October 17, 2000Assignee: Bridgestone/Firestone, Inc.Inventors: James A. Davis, George G. Furman, Jerry C. Rose
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Patent number: 6111000Abstract: The present invention relates to rubber compositions containing borate compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R.sup.3 is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; X is selected from the group consisting of ##STR2## and Y is selected from the group consisting of S.sub.x and Se.sub.xwhere x is an integer of from 1 to 8.Type: GrantFiled: March 4, 1999Date of Patent: August 29, 2000Assignee: The Goodyear Tire & Rubber CompanyInventors: Thierry Florent Edme Materne, Rene Jean Zimmer, Friedrich Visel, Uwe Ernst Frank
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Patent number: 6107384Abstract: A silica-blended rubber composition comprising 100 parts by weight of sulfur-vulcanizable rubber blended with 10 to 100 parts by weight of silica, 3 to 20% by weight of a silane coupling agent based on the silica and 1 to 20% by weight of sodium borate based on the silica. An alkoxy group-containing silane coupling agent is preferred as the silane coupling agent, and sodium tetraborate is preferred as the sodium borate.Type: GrantFiled: March 17, 1999Date of Patent: August 22, 2000Assignee: Bridgestone CorporationInventors: Kazuya Hatakeyama, Kazuaki Someno
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Patent number: 6096816Abstract: A flame retardant composition is provided which is less expensive to produce than prior compositions and yet which exhibits desirable insulation properties, flame and fire resistance, and which, when ignited, does not emit noxious smoke or corrosive gases. The crosslinkable flame retardant composition includes a crosslinkable polymer, a hydrated inorganic filler, and a coupling agent which is an acid having at least two active carboxylic acid groups.Type: GrantFiled: January 19, 1998Date of Patent: August 1, 2000Assignee: Gerard KuckroInventor: Gerard W. Kuckro
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Patent number: 6086997Abstract: The invention relates to a storage stable, fast-setting, aqueous contact adhesive composition comprising an adhesive component and boric acid. The composition can further include an amino acid, such as glycine. The composition finds particularly preferred use for bonding substrates, such as foam, in the furniture industry.Type: GrantFiled: July 7, 1997Date of Patent: July 11, 2000Assignee: 3M Innovative Properties CompanyInventors: Vijay Patel, Daniel W. Wuerch
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Patent number: 6077885Abstract: The invention provides chromate-free coating mixtures, and coatings formed from these mixtures, that protect an underlying aluminum or aluminum alloy substrate from corrosion. The coating mixtures include a continuous phase selected from organic polymeric compositions, or sol-gels, and a distributed phase, dispersed or dissolved throughout the continuous phase. The distributed phase includes the corrosion-inhibiting chromate-free salts. In accordance with the invention, the mixture of salts includes (1) a first salt selected from (a) the esters of rare earth metals, such as cerium and lanthanum oxalates and acetates, and (b) the vanadate salts of alkali and alkali earth metals, such as sodium metavanadate and calcium metavanadate; and (2) a second salt that is a borate salt of alkali earth metals, such as barium metaborate. In certain embodiments, the coatings of the invention include both (a), and (b), in conjunction with the borate salt (2).Type: GrantFiled: December 23, 1998Date of Patent: June 20, 2000Assignee: The Boeing CompanyInventors: Harold E. Hager, Chris J. Johnson, Kay Y. Blohowiak, Chun M. Wong, John H. Jones, Robert L. Cook, Jr., S. Ray Taylor
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Patent number: 6054515Abstract: A flame retardant salt of organic polyphosphorus compound and/or composition are produced by reacting an organic phosphorus compounds with an inorganic phosphorus compound to produce an organic polyphosphorus compound, which is then reacted with a salt forming compound, such as a nitrogen-containing compound, which is then incorporated in or on a more flammable organic material. The more flammable organic material such as thermoplastic resins are made less flammable by melt-kneading a more flammable resin with a salt of organic polyphosphorus compound, a carbonization compound, a metal-containing compound having a carbonization acceleration effect, a comb-like polymer consisting of a polyethylene main chain and a polyoxyalkylene side chain and a filler.Type: GrantFiled: March 2, 1998Date of Patent: April 25, 2000Inventor: David H. Blount
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Patent number: 6054521Abstract: The present invention concerns an erosion resistant, low signature liner for solid propellant rocket motors and rocket motors having such a low signature liner. The liner combustion products in the exhaust plume have low visibility in the IR and visible light spectra which is essential for use in low signature solid propellant rocket motors. The liner also forms an in-situ protective layer at elevated temperatures for enhanced erosion resistance. These erosion resistant properties eliminate the need for supplemental case insulation which would contribute additional smoke and combustion products to the exhaust plume as well as add additional costs and inert weight to the motor.Type: GrantFiled: December 8, 1997Date of Patent: April 25, 2000Assignee: Cordant Technologies Inc.Inventors: Ronald W. Nelson, Merylin B. Lovett, Larry W. Poulter, Elizabeth K. Bonderson
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Patent number: 6051660Abstract: A polyacetal resin molded article excellent in thermal aging resistance and surface appearance of molded article in which an amino-substituted triazine compound is dispersed in the form of particles having an average particle size of not more than 1 .mu.m in a polyacetal resin, which molded article is obtained by melt-kneading a polyacetal resin having a formaldehyde content of 1,000 to 3,000 with an amino-substituted triazine compound for a time of 250 seconds or less.Type: GrantFiled: February 12, 1998Date of Patent: April 18, 2000Assignee: Asahikasei Kogyo Kabushiki KaishaInventor: Mikio Oka
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Patent number: 6043728Abstract: Provided are non-halogen, flame-resistant, resin materials and resin magnet materials, and also electron beam controllers comprising the resin magnet materials. The resin material comprises (A) a non-halogen resin composition, (B) a metal oxide hydrate, and (C) one or both of antimony trioxide and zinc borate. The resin magnet material comprises those components (A), (B) and C), and (D) a magnetic material. In the electron beam controller, the four-pole and 6-pole convergence magnets and the two-pole purity controller magnets are made of the resin magnet materials.Type: GrantFiled: December 22, 1997Date of Patent: March 28, 2000Assignees: Kaneka Corporation, Tochigi Kaneka CorporationInventors: Takeshi Ida, Naoshi Marutani
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Patent number: 6030562Abstract: A method of forming a consolidated wood product is disclosed wherein zinc borate and resin are mixed with cellulosic material to form treated cellulosic material, followed by applying heat and pressure to form a consolidated cellulosic product. A consolidated product comprises zinc borate, resin, and cellulosic material, wherein the zinc borate is distributed throughout the lignocellulosic material. A steam injection process is also disclosed.Type: GrantFiled: December 4, 1997Date of Patent: February 29, 2000Assignee: Masonite CorporationInventors: Thomas A. Lehtinen, Thomas M. Ruffin, John Peter Walsh, Allen R. Hill
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Patent number: 6025422Abstract: A composition that includes a hydrated inorganic filler and a polymer blend is disclosed. The polymer blend includes a polymerization or copolymerization product of one or more ethylenically unsaturated monomers. In addition, the polymer blend includes an aliphatic polyketone. The incorporation of aliphatic polyketone with polyethylene based polymers or copolymers results in dramatic improvements in both drip resistance and char strength; moreover, the composition of the present invention can use reduced amounts of hydrated inorganic filler relative to conventional polyethylene based compositions. This reduction in the amount of hydrated filler is expected to lead to improvements in physical properties and extrudability not otherwise possible. These properties make the compositions of the present invention particularly useful as an outer layer for electrical wires, optical fibers, or cables containing at least one wire, optical fiber, or both.Type: GrantFiled: May 29, 1998Date of Patent: February 15, 2000Assignee: Siecor Operations, LLCInventor: Donald K. Hall
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Patent number: 6025306Abstract: Self-lubricating resin compositions including a boric acid additive and a synthetic polymer including those thermoset materials.Type: GrantFiled: September 26, 1996Date of Patent: February 15, 2000Assignee: ARCH Development CorporationInventor: Ali Erdemir
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Patent number: 6022914Abstract: The present invention relates to a pressure-sensitive adhesive composition containing a non-halogen, non-intumescent flame-retardant system comprising at least one flame-retardant agent with the provisos that the flame-retardant system does not comprise Sb.sub.2 O.sub.3 or does not consist only of alumina trihydrate.Type: GrantFiled: November 27, 1995Date of Patent: February 8, 2000Assignee: 3M Innovative Properties CompanyInventors: Petra Nowak, Robert D. Waid, William D. Coggio
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Patent number: 6017971Abstract: A resin composition for plating comprising a thermoplastic resin and aluminum borate or amorphous silica, or both as an inorganic filler. The resin compositionexhibits excellent plating characteristics and excellent electrical characteristics.Type: GrantFiled: May 5, 1997Date of Patent: January 25, 2000Assignees: Cosmo Research Institute, Cosmo Oil Co., Ltd.Inventors: Takashi Mizoguchi, Masatoshi Iwafune
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Patent number: 6008285Abstract: A process is disclosed for the production of compounds based on hydrolyzable silanes containing epoxy groups. The process involves adding one of the following substances to a pre-hydrolyzed silicon compound A with at least one hydrolytically non-separable group which includes an epoxy ring in the presence of an alcoholate of zirconium or aluminum: i) a particulate substance B which can be selected from oxides, oxyhydrates, nitrides or carbides of Si, Al and B, and of transition metals, the particle size being 1-100 nm;ii) a surface-active agent, preferably non-ionic;iii) an aromatic polyol with an average molecular weight not exceeding 1000, the resulting compounds being useful to produce coatings and molded bodies with a range of properties, in particular high scratch resistance, lasting hydrophilic characteristics, corrosion resistance, good adhesion and transparency.Type: GrantFiled: May 6, 1996Date of Patent: December 28, 1999Assignee: Institut fuer Neue Materialien Gemeinnuetzige GmbHInventors: Reiner Kasemann, Helmut Schmidt, Ertugrul Arpac, Volker Gerhard, Elisabeth Geiter, Georg Wagner
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Patent number: 6005031Abstract: Aqueous multiphase dispersions for multicolor coatings are produced by a process essentially comprising the steps of:providing one or more emulsion paints;adding at least one linear colloid capable of being insolubilised by borate ions and at least one hydrophilic inorganic clay to said paints to form base paints;providing an aqueous medium containing at least one hydrophilic inorganic clay;adding said base paints into said aqueous medium;adding borate ions to said aqueous medium;adding at least one emulsified binder to said medium;each of the emulsion paints having a different color.It is preferred to use galactomannoglycans as colloid (most preferably guar gum) and synthetic clays (most preferably of the smectite or hectorite types).Type: GrantFiled: August 17, 1998Date of Patent: December 21, 1999Assignee: Sigma Coatings, B.V.Inventors: Sylvia Bremer-Masseus, Cornelis van der Kolk, Marcel Weber, Johannes van Schie
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Patent number: 5993532Abstract: A stabilized solution of hydrogen silsesquioxane resin is disclosed. The solution comprises 100 parts by weight solvent, 0.1 to 100 parts by weight hydrogen silsesquioxane resin, and 0.002 to 4 parts by weight acid. These solutions are useful for forming coatings on substrates.Type: GrantFiled: November 26, 1997Date of Patent: November 30, 1999Assignees: Dow Corning Corporation, Dow Corning Toray Silicone Co., Ltd.Inventors: Dennis William Broderick, James Anthony Helwick, Takashi Nakamura
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Patent number: 5979529Abstract: An adherent rubber composition suitable for use in the adhesion to steel cords comprises given amounts of an inorganic salt hydrate and sulfur based on 100 parts by weight of rubber ingredient comprising not less than 10% by weight of at least one synthetic rubber and the remainder being natural rubber.Type: GrantFiled: October 30, 1998Date of Patent: November 9, 1999Assignee: Bridgestone CorporationInventors: Shinsuke Nakane, Kanji Fujiki
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Patent number: 5965206Abstract: The invention relates to a composition that comprises a thermoplastic or elastomeric polymeric substrate (A) and an antistatic mixture (B) in the form of contiguous fibers, which mixture comprises (b1) an organic polymeric material that is fibrous or forms fibers on mixing and is not soluble in the thermoplastic or elastomeric polymeric substrate (A); (b2) a polymer or copolymer capable of ion conduction that has blocks for complexing or solvating a salt of an inorganic or low-molecular-weight organic protonic acid (b3) and has a better compatibility with the organic polymer (b1) that is fibrous or forms fibers on mixing than with the polymeric organic substrate (A); and (b3) a salt of an inorganic or low-molecular-weight organic protonic acid such as NaClO.sub.4 or K P F.sub.6 that has been complexed or solvated in the polymer or copolymer (b2).Type: GrantFiled: September 8, 1997Date of Patent: October 12, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Bruno Hilti, Ernst Minder, Jurgen Pfeiffer, Markus Grob
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Patent number: 5951747Abstract: A non-chromate, corrosion-inhibiting coating composition for metal surfaces includes at least one inhibitor selected from the group consisting of phosphates, phosphosilicates, silicates, and mixtures thereof, at least one inhibitor selected from the group consisting of titanates, zinc salts, and mixtures thereof, and a carrier for these inhibitors, the carrier capable of placing the inhibitors in proximity with the metal surface. In a preferred embodiment, the coating composition further includes a borate such as boric acid, and a succinate. A preferred phosphate includes calcium dihydrogen phosphate, and sodium titanium oxide is a preferred titanate. The zinc salt can include zinc phosphate or zinc cyanamide.Type: GrantFiled: October 9, 1996Date of Patent: September 14, 1999Assignee: Courtaulds AerospaceInventors: Kathrine J. Lewis, Jak Aklian
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Patent number: 5942568Abstract: Polyoxymethylene resin composition comprising (A) 50 to 99.9 parts by weight of a polyoxymethylene resin and (B) 0.1 to 50 parts by weight of a polyolefin resin, containing 30 to 100% by weight of an ethylene unit based on the whole amount of the polyolefin resin, prepared by using a single site catalyst. The present invention provides a polyoxymethylene resin composition which possess excellent lower friction characteristics and wear resistance at temperature over 60.degree. C.Type: GrantFiled: April 24, 1997Date of Patent: August 24, 1999Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Masahiko Niino, Sadao Ibe
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Patent number: 5939481Abstract: A polyoxymethylene composition is reduced in mold fouling, undergoes little discoloration in molten-state residence within the cylinder of a molding machine, has improved moldability, and is reduced in formic acid generation, when compounded with a sterically hindered phenolic antioxidant (a), of a polyamide (b), at least one metal compound selected among oxides and carbonates of magnesium or calcium (c) and a boron compound (d).Type: GrantFiled: June 18, 1997Date of Patent: August 17, 1999Assignee: Polyplastics Co., Ltd.Inventors: Noriyuki Sugiyama, Hiroyuki Hase
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Patent number: 5935021Abstract: A golf ball having a cover is provided. The cover is formed of a cover stock comprising a thermoplastic resin or elastomer and fibrous aluminum borate whiskers. The cover is durably resistant to damages by iron shots.Type: GrantFiled: November 13, 1997Date of Patent: August 10, 1999Assignee: Bridgestone Sports Co., Ltd.Inventors: Shunichi Kashiwagi, Yasushi Ichikawa, Rinya Takesue
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Patent number: 5932334Abstract: The invention relates to a composition or pellet comprising a polyvinyl chloride homopolymer and wood fiber composite that can be used in the form of a linear extrudate or thermoplastic pellet to manufacture structural members. The fiber in the pellet or extrudate is of a particular dimension that lends enhanced modulus to the composition or pellet formed. The extruded pellet comprises a consistent proportion of polymer, wood fiber and water.Type: GrantFiled: November 13, 1997Date of Patent: August 3, 1999Assignee: Andersen CorporationInventors: Michael J. Deaner, Giuseppe Puppin, Kurt E. Heikkila
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Patent number: 5929130Abstract: Photocurable resin compositions capable of producing plastic molds with improved durability by stereolithography in the presence of a photoinitiator includes unsaturated urethane of a specified kind, vinyl monomer of a specified kind, a filler and salt of phosphoric acid ester of specified kinds at a specified ratio.Type: GrantFiled: June 28, 1996Date of Patent: July 27, 1999Assignee: Takemoto Yushi Kabushiki Kaisha & Teijin Seiki Co., Ltd.Inventors: Toshiharu Suzuki, Tatsuhiko Ozaki, Hirokazu Matsueda, Yorikazu Tamura, Tsuneo Hagiwara
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Patent number: 5886083Abstract: A moldable composition and method of making the same, the composition including a binding mixture and filler in the form of crystalline, irregular, approximately polygonally shaped particles. The binding mixture preferably includes polyvinyl-based binders such as polyvinyl alcohol, water, a cross-linking agent such as borax, and a humectant such as propylene glycol. Furthermore, a cellulose-based thickener may be added to the binding mixture, as may a pH-adjusting compound such as sodium carbonate. The crystalline particles preferably are ground styrene having a maximum dimension ranging from one-half to three millimeters.Type: GrantFiled: August 18, 1997Date of Patent: March 23, 1999Assignee: Mattel, Inc.Inventor: Jack D. Mackey
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Patent number: 5886072Abstract: Flame retardant compositions for cable jacketing and wire insulation that contain:(a) polyvinyl chloride resin;(b) a pentaerythritol ester plasticizer;(c) aluminum trihydrate;(d) antimony trioxide flame retardant;(e) a brominated phthalate ester;(f) isodecyl diphenyl phosphate plasticizer; and(g) zinc borate flame retardant and that are free of chlorinated polyvinyl chloride resin are disclosed.Type: GrantFiled: August 7, 1995Date of Patent: March 23, 1999Assignee: Teknor Apex CompanyInventors: Leonard A. Linsky, John C. Andries, Donald Ouellette, John A. Buono, Tao Tao
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Patent number: 5872187Abstract: The present invention provides a polyamide resin composition which has low water absorption and simultaneously has satisfactory combustion properties. Illustrative compositions contain 20-80 parts by weight of polyamide resin and 80-20 parts by weight of polyphenylene ether resin or a mixture of this resin and polystyrene resin, as well as 0.01-10 parts by weight of a compatibilizer, 1-50 parts by weight of an uncured phenol novolak resin, and 0-80 parts by weight of a rubber component wherein the weights of the compatibilizer, uncured phenol novolak resin and rubber component is based on a total of 100 parts by weight of polyamide and polyphenylene ether resins.Type: GrantFiled: June 27, 1997Date of Patent: February 16, 1999Assignee: General Electric CompanyInventors: Takayuki Takatani, Hiromi Ishida
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Patent number: 5869027Abstract: Imides reduce odors. Imides are especially efficient at reducing the odors of odoriferous an amine or ammonia. The imides may be incorporated in pads which are the recipients of odoriferous waste materials, dispersed in holding tanks or lagoons or dispersed over human and animal wastes. Polysuccinimide, copolymers of polysuccinimide, polyglutarimide and mixtures thereof are especially useful for the reduction of odors, especially of ammonia and an amine.Type: GrantFiled: April 22, 1996Date of Patent: February 9, 1999Inventors: Louis L. Wood, Gary J. Calton
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Patent number: 5866652Abstract: The invention provides chromate-free coating mixtures, and coatings formed from these mixtures, that protect an underlying aluminum or aluminum alloy substrate from corrosion. The coating mixtures include a continuous phase selected from organic polymeric compositions, or sol-gels, and a distributed phase, dispersed or dissolved throughout the continuous phase. The distributed phase includes the corrosion-inhibiting chromate-free salts. In accordance with the invention, the mixture of salts includes (1) a first salt selected from (a) the esters of rare earth metals, such as cerium and lanthanum oxalates and acetates, and (b) the vanadate salts of alkali and alkali earth metals, such as sodium metavanadate and calcium metavanadate; and (2) a second salt that is a borate salt of alkali earth metals, such as barium metaborate. In certain embodiments, the coatings of the invention include both (a), and (b), in conjunction with the borate salt (2).Type: GrantFiled: February 27, 1996Date of Patent: February 2, 1999Assignee: The Boeing CompanyInventors: Harold E. Hager, Chris J. Johnson, Kay Y. Blohowiak, Chun M. Wong, John H. Jones, S. Ray Taylor, Robert L. Cook, Jr.
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Patent number: 5863486Abstract: In a process for producing a three-dimensional photohardened object by forming a layer of photocurable resin composition containing a photocurable liquid, a filler and a photoinitiator, photohardening at least a portion of this layer by exposing it to actinic radiation, and thereafter repeating the process of forming thereabove a new layer of photocurable resin composition and photohardening at least a portion of this layer by exposing it to actinic radiation, the property of the photocurable resin composition to become level can be improved by adding phosphoric acid ester of a specified structure at a specified rate.Type: GrantFiled: May 8, 1997Date of Patent: January 26, 1999Assignee: Takemoto Yushi Kabushiki KaishaInventors: Tatsuhiko Ozaki, Toshiharu Suzuki, Hirokazu Matsueda
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Patent number: 5861451Abstract: This invention relates to sprayable aqueous silicone emulsions which form silicone elastomers upon the removal of water having improved smoke and fire resistant properties. The aqueous silicone emulsion comprises water, a product of a diorganosiloxane polymer and a crosslinker, a surfactant and a filler selected from the group consisting of aluminum trihydrate, fumed titanium dioxide, magnesium oxide, ceramic fillers and zinc borate. The silicone emulsion has a viscosity of 10,000 to 120,000 mPa s and exhibits pseudo plastic rheology which facilitates its application by spraying. A softening agent may also be added for modulus control.Type: GrantFiled: October 31, 1996Date of Patent: January 19, 1999Assignee: Dow Corning CorporationInventors: Robert Mark Schroeder, Arthur James Tselepis, Andreas Thomas Franz Wolf
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Patent number: 5840791Abstract: Laser-markable thermoplastic moulding compositions are disclosed which containthermoplastic polymers,boric anhydride, and optionally,fillers and reinforcing materials,flame retardant additives,elastomer modifiers,antimony trioxide, andcopper(II) pyrophosphate hydrate.Type: GrantFiled: May 15, 1997Date of Patent: November 24, 1998Assignee: Bayer AktiengesellschaftInventors: Herbert Magerstedt, Frank Gerling
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Patent number: 5834548Abstract: Finely divided mixtures of 97-10% by weight of at least one amphiphilic polymer whose softening point is above 35.degree. C., and 3-90% by weight of at least one inorganic solid with a particle size not exceeding 500 .mu.m are prepared by heating the two components to a temperature which is above the softening point of the polymer, mixing the components, dispersing the melt and rapidly cooling to a temperature at which virtually no inhomogeneity occurs and, where appropriate, further comminuting the particles at temperatures below 50.degree. C. to a particle size of from 50 .mu.m to 5 mm, and are used as additive to detergents.Type: GrantFiled: May 16, 1997Date of Patent: November 10, 1998Assignee: BASF AktiengesellschaftInventors: Hans-Ulrich Jager, Dieter Boeckh, Ulrich Brockel, Frank Muller, Gunnar Schornick
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Patent number: 5824725Abstract: A water soluble chemical composition for use as a soil stabilizer, conditer and structuring agent includes a dispersing agent such as a polyanionic sulfonated urea-melamine formaldehyde condensate, an aggregating agent such as a non-ionic water soluble urea-formaldehyde condensate having relative weight average molecular weights between 400 to 10,000 and polydispersity between 2.5 to 10, and a basic salt like di-sodium tetra borate and/or a neutral salt like sodium chloride and a nitrogen potassium or phosphorous containing compound such as potassium nitrate, phosphoric acid, potassium dihydrogen orthophosphate and the like, wherein the ratio of urea-formaldehyde to sulfonated urea-melamine-formaldehyde is between 0.2:1 to 2.0:1 and the final solid contents of this composition is between 1-15%. These compositions are then sprayed on top of sand or soil with conventional equipment and will impart significant improvements in their mechanical properties and their erosion resistance to water and wind.Type: GrantFiled: June 6, 1997Date of Patent: October 20, 1998Assignee: King Fahd University of Petroleum And Minerals Research InstituteInventor: Shawqui M. Lahalih
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Patent number: 5783620Abstract: A thermoplastic resin composition for profile extrusion, comprises: (A1) 50 to 99.5% by weight of a thermoplastic aromatic polycarbonate resin; (A2) 0 to 40% by weight of a thermoplastic resin other than the thermoplastic aromatic polycarbonate resin and an ethylene-based resin or a modified olefin-based resin; (B) 0.5 to 30% by weight of the ethylene-based resin or the modified olefin-based resin; and (C) 0 to 30% by weight of a filler.Type: GrantFiled: February 18, 1997Date of Patent: July 21, 1998Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Nobuyuki Hamashima, Michio Nakata, Gorou Shimaoka
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Patent number: 5777019Abstract: The present invention provides a polyacetal resin composition which provides the molded articles with an excellent mechanical strength. The polyacetal resin composition comprises:(A) 100 parts by weight of a polyacetal resin blended with(B) 3 through 200 parts by weight of a glass type inorganic filler and(C) 0.001 through 3.0 parts by weight of a boric acid compound.Type: GrantFiled: September 27, 1996Date of Patent: July 7, 1998Assignee: Polyplastics Co., Ltd.Inventor: Sachio Anada
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Patent number: 5760115Abstract: A novel fire-retardant polymer composition is provided which comprises 100 parts by weight of a polymer such as polyolefins and polystyrenes, 1-30 parts by weight of an oxide or a complex oxide of metals such as antimony, boron, and molybdenum, and 1-30 parts by weight of heat-expandable graphite. The fire-retardant polymer composition emits less amounts of smoke and corrosive gas on burning with the characteristics of the polymer material kept unimpaired.Type: GrantFiled: February 29, 1996Date of Patent: June 2, 1998Assignee: Tosoh CorporationInventors: Fumio Okisaki, Akinori Hamada, Shunichi Endo, Genichiro Ochiai
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Patent number: 5731375Abstract: This invention relates to polyamide resin compositions for interior or exterior parts of automobile, more particularly, to polyamide resin compositions showing excellent dimension stability, several good mechanical properties and good plasticity, which are prepared by mixing polyamide-6 resin, polyamide-66 resin, or copolymerized polyamide 66 resin blended with polyamide-6 or polyamide-66 resin, with filler such as fibroid glass fiber, ethylene-vinyl-alcohol copolymer resin and other additives.Type: GrantFiled: September 1, 1995Date of Patent: March 24, 1998Assignees: Hyundai Motor Company, Tongyang Nylon Co., Ltd.Inventors: Bong Hyun Park, Jin Soo Kim, Sahng Ho Song, Jong Su Lee
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Patent number: 5714550Abstract: The invention is directed to a polymer composition comprising:a) a blend comprising at least one polyamide and at least one polyphenylene ether;b) at least one polymeric siloxane compound; andc) at least one boron compound.Type: GrantFiled: October 23, 1996Date of Patent: February 3, 1998Assignee: General Electric CompanyInventor: Jeremy Paul Shaw
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Patent number: 5712329Abstract: To ensure the thermal protection of a structure or person exposed to a transient thermal stress, it is proposed that a material be produced by polymerizing a homogeneous mixture of 50 to 80 parts by weight of an elastomeric binder, 10 to 25 parts by weight of a silica charge and 18 to 45 parts by weight of a solubility agent containing 3 to 20 parts by weight of at least one structural water-saturated mineral charge and 15 to 25 parts by weight of structural water in excess.Type: GrantFiled: March 20, 1996Date of Patent: January 27, 1998Assignee: Cryospace L'Air Liquide AerospatialeInventors: Remo Cargnello, Bertrand Carel
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Patent number: 5710202Abstract: A flame retardant composition is provided which is less expensive to produce than prior compositions and yet which exhibits desirable insulation properties, flame and fire resistance, and which, when ignited, does not emit noxious smoke or corrosive gases. The crosslinkable flame retardant composition includes a copolymer of ethylene and a vinyl ester of a C.sub.2-6 aliphatic carboxylic acid, a hydrated inorganic filler, and a coupling agent.Type: GrantFiled: August 4, 1997Date of Patent: January 20, 1998Inventor: Gerard W. Kuckro
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Patent number: 5696192Abstract: A polyoxyalkylene-modified organopolysiloxane that generates almost no odor with the passage of time, and a method for preparation of the polyoxyalkylene-modified organopolysiloxane. This organopolysiloxane bears polyoxyalkylene bonded to silicon across alkylene, and contains 5-1,000 ppm by weight of an antioxidant. It also has a peroxide value not exceeding 5 meq/kg, and a total content of aldehyde plus ketone not exceeding 100 ppm.Type: GrantFiled: November 15, 1996Date of Patent: December 9, 1997Assignee: Dow Corning Toray Silicone Co., Ltd.Inventor: Asao Harashima
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Patent number: 5693700Abstract: A metal borate, metal phosphate or metal borophosphate in combination with either a metal sulfide or sulfur polysiloxanes are incorporated into polymer systems to produce a polymer composition which unexpectedly displays flame retardant properties without creating environmental hazards.Type: GrantFiled: March 7, 1997Date of Patent: December 2, 1997Assignee: General Electric CompanyInventors: Venkat Subramaniam Venkataramani, Jeremy Paul Shaw
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Patent number: 5684068Abstract: The present invention, in certain embodiments discloses an insulation composition including polyvinyl alcohol cooked without an acidic medium and cellulose fibers combined with an acidic medium for spray-on insulation. In certain embodiments cellulose fibers and acidic solids are ground together. In one aspect the acidic medium is solid boric acid. In another aspect liquid boric acid is sprayed onto the fibers Systems are disclosed for introducing the fiber acidic composition into a first hose of a spray nozzle while introducing polyvinyl alcohol into a second hose of the spray nozzle. In another aspect an acrylic resin is mixed with the polyvinyl alcohol.Type: GrantFiled: July 31, 1995Date of Patent: November 4, 1997Assignee: International Cellulose Corp.Inventors: Harold F. Boyer, Steven A. Kempe, William F. Boyer