Patents Examined by Hoa T. Le
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Patent number: 5206087Abstract: A biodecomposable or biodisintegrable moldable material which comprises a mixture of 10-70 vol. % of a natural high molecular substance, 30-70 vol. % of a thermoplastic resin and 0-45 vol. % of a filler.Type: GrantFiled: February 26, 1991Date of Patent: April 27, 1993Assignees: Director-General of Agency of Industrial Science and Technology, Chuokagaku Ltd.Inventors: Yutaka Tokiwa, Masahiro Suzuki, Masatoshi Koyama
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Patent number: 5202180Abstract: A flexible decorative web that can be laminated to a substrate and that exhibits serial changes in its appearance with changes in viewing angle relative to incident white light. Chromatic, iridescent and metallic pigments produce three separate appearance zones where the chromatic pigment is most predominant, where the iridescent pigment is most predominant and where a transition occurs and neither the chromatic pigment nor the iridescent pigment predominates. The metallic pigment accentuates the iridescent appearance or flash by its sparkle effect produced both in the iridescent appearance areas and in the transition areas immediately surrounding and highlighting the iridescent appearance areas.Type: GrantFiled: February 6, 1990Date of Patent: April 13, 1993Assignee: Avery Dennison CorporationInventor: Gary R. Watts
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Patent number: 5200250Abstract: A phosphor comprising phosphor particles and a surface treating material attached or coated on the phosphor particles, wherein said surface treating material comprises zinc and a polycarboxylic acid.Type: GrantFiled: October 19, 1990Date of Patent: April 6, 1993Assignee: Kasei Optonix, Ltd.Inventors: Hideo Tono, Kazuhito Iwasaki
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Patent number: 5200264Abstract: A thermally curable conductive polymer thick film composition comprising an uncured admixture of:(a) a resin system comprising an admixture of:(i) about 4.50 parts to about 12 parts by weight of at least one phenoxy resin; and(ii) about 6 parts to about 15.5 parts by weight of at least one blocked polyisocyanate resin; and(b) a particulated electrically conductive material selected from the group consisting of:(i) about 50 parts to about 70 parts by weight silver flake; and(ii) a mixture of about 15 parts to about 25 parts by weight graphite and about 3 parts to about 6 parts by weight carbon black.Type: GrantFiled: June 17, 1991Date of Patent: April 6, 1993Assignee: Advanced Products, Inc.Inventor: Richard L. Frentzel
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Patent number: 5196270Abstract: Disclosed is a coated resin molding comprising a molding composed of a resin composition comprising 100 parts by weight of a substrate resin comprising 100 to 30% by weight of at least one propylene polymer selected from the group consisting of propylene/ethylene block copolymers having an ethylene content of 3 to 45% by weight and propylene/ethylene random copolymers having an ethylene content of 0.5 to 10% by weight and 0 to 70% by weight of an elastomer, and at least one member selected from the group consisting of (A) 0.01 to 10 parts by weight of a 1,3-diene polymer having at least one terminal hydroxyl group or a hydrogenation product thereof, (B) 0.01 to 40 parts by weight of a copolymer of ethylene with an unsaturated compound containing a carboxyl group (including an acid anhydride group) and (C) 0.Type: GrantFiled: November 14, 1990Date of Patent: March 23, 1993Assignee: Mitsubishi Petrochemical Company LimitedInventors: Sadao Kitagawa, Yuta Kumano
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Patent number: 5196262Abstract: Microporous material comprises: (1) a matrix comprising a mixture of substantially linear ultrahigh molecular weight polyethylene having an intrinsic viscosity of at least about 10 deciliters/gram and lower molecular weight polyethylene having an ASTM D 1238-86 Condition E melt index of less than about 50 grams/10 minutes and an ASTM D 1238-86 Condition F melt index of at least 0.1 gram/10 minutes, (2) a large proportion of finely divided water-insoluble siliceous filler, and (3) interconnecting pores wherein the weight percent of the ultrahigh molecular weight polyethylene in the total polyethylene of the matrix and the filler/matrix weight ratio are within the polygon ABCDEF of FIG. 6 of the drawings.Type: GrantFiled: October 10, 1990Date of Patent: March 23, 1993Assignee: PPG Industries, Inc.Inventors: Richard A. Schwarz, William Keim
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Patent number: 5194306Abstract: A blend consisting essentially of a major portion of an amorphous polyamide and a minor portion of an ethylene vinyl alcohol copolymer exhibits gas barrier properties which are less dependent on humidity than are those of either of the component polymers. Films and laminated structures which incorporate the material of these blends are suitable for use as packaging materials.Type: GrantFiled: January 29, 1992Date of Patent: March 16, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Philip S. Blatz
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Patent number: 5194333Abstract: A packing material for reversed phase chromatography, which comprises silica gel with its entire surface substantially coated with repeating units of a polycarbosilane of the formula (I): ##STR1## wherein R.sub.1 is an octyl group, an octadecyl group or a phenyl group, R.sub.2 is a methyl group or a methylene group, and n is a positive integer.Type: GrantFiled: December 18, 1990Date of Patent: March 16, 1993Assignee: Tosoh CorporationInventors: Tadao Ohnaka, Katsuo Komiya, Hiroyuki Moriyama
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Patent number: 5190826Abstract: An interlayer for use in sound-insulating laminated glasses which is in the form of a laminated film of two kinds of resin films (A) and (B), each comprising a polyvinyl acetal acetalized with an aldehyde having 6 to 10 carbon atoms for the film (A) or with an aldehyde having 1 to 4 carbon atoms for the film (B), or is in the form of a resin film (C) comprising a mixture of the two kinds of polyvinyl acetal resins. The interlayer mitigates the coincidence effect to prevent the reduction of TL value without impairing the basic characteristics required of laminated glasses thereby permitting the interlayer to exhibit outstanding sound-insulating properties over a wide temperature range for a prolonged period of time.Type: GrantFiled: May 13, 1991Date of Patent: March 2, 1993Assignee: Sekisui Chemical Co., Ltd.Inventors: Kenichi Asahina, Naoki Ueda, Hirofumi Omura
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Patent number: 5188899Abstract: Colloidal silica-core silicone-shell particles, an emulsion containing, as a solid component, at least 30% by weight of the silica-core silicone-shell particles, and a process for producing the emulsion.A colloidal silica-core silicone-shell particles comprising(A) from 99.9% to 5% by weight of cores which are colloidal silica particles, and(B) from 0.1% to 95% by weight of shells comprising an organosiloxy group represented by the formula ##EQU1## wherein R.sup.1 which may be the same or different each represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms, Q represents hydrogen atom or an alkyl group having 1 to 6 carbon atoms, p is an integer of 1 to 3, and q is an integer of 9 to 2, with proviso that (p+q) is an integer of 1 to 3,or a polyorganosiloxane represented by the average composition formula ##EQU2## wherein R.sup.2 represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms and a is a number of 0.8 to 3.0.Type: GrantFiled: November 30, 1990Date of Patent: February 23, 1993Assignee: Toshiba Silicone Co., Ltd.Inventors: Makoto Matsumoto, Junichiro Watanabe
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Patent number: 5183631Abstract: A composite material is provided which includes a discrete phase including grains made of a first substance; and a continuous phase including a thin coating film made of a second substance and formed on the surface of each of the grains. The thin coating film has a mean thickness smaller than the mean particle size of the grains. The grains are separated substantially from each other by the thin coating film. The porosity of the composite material is 5% or less.Type: GrantFiled: June 8, 1990Date of Patent: February 2, 1993Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Koichi Kugimiya, Yasuhiro Sugaya, Osamu Inoue, Mitsuo Satomi, Ken Hirota
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Patent number: 5183704Abstract: Lamellar-structured highly microporous silicate compositions are provided which can be used as insulative articles and insulation material. The silicate is in the form of lamellae selected from the group consisting of mica and vermiculite. The silicate lamellae form the microporous structure, by forming the pore walls with the lamellae. Processes are described which prepare these compositions by removing the water from flocculated or unflocculated aqueous dispersions of chemically delaminated silicates while the arrangement of the lamellae in the dispersion is largely preserved, resulting in the highly microporous lamellar structure.Type: GrantFiled: February 11, 1991Date of Patent: February 2, 1993Assignee: Armstrong World Industries, Inc.Inventors: Walter J. Bohrn, Kimberly S. Diffenbaugh, Shelly N. Garman, Jatin C. Khanpara
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Patent number: 5182141Abstract: A metal substrate having a first thermosetting elastomer layer and a second thermoplastic layer, both layers being chemically bonded to the substrate, and a method of manufacture therefor. Preferably, the first layer is extruded EPDM which is bonded to the substrate by with a heat-activable polyisocyanate adhesive and the second layer is extruded PVC which is bonded to the substrate by a heat-activable modified acrylic adhesive. Flock may be chemically bonded to a portion of the EPDM. An automotive trim product is disclosed. The preferred method of manufacture is a continuous process involving the steps of applying EPDM adhesive to the substrate; heat activating the adhesive; extruding the EPDM onto the substrate; applying PVC adhesive to the substrate; heating the partially coated substrate to concomitantly activate the PVC adhesive and cure the EPDM; and then extruding the PVC onto the substrate.Type: GrantFiled: February 13, 1990Date of Patent: January 26, 1993Assignee: Co-Ex-Tec IndustriesInventors: Tadeusz Borys, Shueh-Mo Lee, Earlby E. J. Wakefield
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Patent number: 5182137Abstract: A method of applying a bound particulate rubber outdoor surface comprises the initial step of providing a prepared base onto which the surface is to be applied. A primer layer is applied to the base, and is composed of a mixture including water such that the layer is wet when applied and dries as the water in the mixture evaporates. A fluidized stream of particulate rubber is directed onto the primer layer before the primer layer dries so that a layer of particulate rubber is formed on top of the primer layer and settles at least partially in the primer layer. Thereafter, the primer layer is allowed to dry before application of a binder layer over the particulate rubber. The binder layer also is composed of a mixture including water. A fluidized stream of particulate rubber is then directed onto the wet binder layer so that a layer of particulate rubber is formed ont op of and settles in the binder layer.Type: GrantFiled: February 8, 1991Date of Patent: January 26, 1993Assignee: 501 Amlite CorporationInventor: Harold O. Allen
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Patent number: 5178676Abstract: An anti-tack composition and method based on a kaolin clay/nonionic surfactant of intermediate HLB is disclosed where the surfactant is preferably an ethoxylated, acetylenic diol or octylphenal.Type: GrantFiled: October 31, 1990Date of Patent: January 12, 1993Assignee: J. M. Huber CorporationInventors: Walter O. Lackey, Carl J. Marshall, James E. Sikes, Gary M. Freeman
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Patent number: 5178933Abstract: A colored glass laminate is formed of two glass plates and a pigment-colored (meth)acrylic resin sandwiched between the glass plates. The colored glass laminate is produced by arranging a spacer between the two glass plates, pouring a mixture of at least one (meth)acrylic monomer, a polymerization initiator and a pigment into a spacing defined between the two glass plates, and then polymerizing the (meth)acrylic monomer.Type: GrantFiled: November 15, 1990Date of Patent: January 12, 1993Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Akio Yoshida, Satoshi Minami, Tohoru Hosoda
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Patent number: 5176959Abstract: Crosslinked polymer microparticles are produced by emulsion polymerizing a monomer mixture containing a crosslinking monomer having a plurality of polymerizable sites in the molecule in an aqueous medium containing a polymeric amide-acid and a neutralizing base as an emulsifier/dispersant. The polymer microparticles are incorporated to thermosetting coating compositions for rheology control and other purposes. The amide-acid moieties of the emulsifier/diapersant are capable upon curing of the coating composition of cyclizing into an imide ring and the polymer amide-acid retained on the polymer microparticles, which imide moieties do not adversely affect the properties of cured films of the coating composition.Type: GrantFiled: February 26, 1991Date of Patent: January 5, 1993Assignee: Nippon Paint Company LimitedInventors: Mitsuo Yamada, Ryuzo Mizuguchi
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Patent number: 5175056Abstract: Composite particles designed as a filler for gaskets, caulking compounds and plastics in general. The unique properties are obtained by using a soft metal core galvanically similar to the metal the sealant will be in contact with. The oxide surface of the core metal is typically breached by a multitude of small hard semiconductive or conductive particles, thus making low particle-to-particle contact resistance through the body.Type: GrantFiled: June 8, 1990Date of Patent: December 29, 1992Assignee: Potters Industries, Inc.Inventor: Robert J. Teichmann
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Patent number: 5175051Abstract: The biaxially oriented film based on a propylene polymer contains an inorganic particulate neutralizing agent, in particular a carbonate or magnesium oxide. To improve the slip properties, the particles have been given a hydrophobic coating, in particular a coating of wax, a fatty acid, a salt of a fatty acid or an ester of a fatty acid.Type: GrantFiled: January 12, 1990Date of Patent: December 29, 1992Assignee: Hoechst AktiengesellschaftInventors: Gunter Schloegl, Ursula Murschall, Lothar Bothe, Guenther Crass
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Patent number: 5169723Abstract: Chemically etching the surface of galvanized steel with a metal salt that is more electropositive than zinc provides improved adhesion for an unsaturated polyester resin based putty. The invention is particularly suitable for automobile body repair, and the putty can then be shaped to conform to the desired contour of the automobile body.Type: GrantFiled: April 17, 1990Date of Patent: December 8, 1992Assignee: Reichhold Chemicals, Inc.Inventor: Wolfgang C. Forster