Heavy Metal Or Aluminum Or Compound Thereof Patents (Class 428/328)
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Patent number: 6500519Abstract: There are provided an oxygen absorbable laminate comprising an internal layer, an oxygen absorbable layer and an external layer, in which at least one surface of the oxygen absorbable laminate is roughened and subjected to a water incorporation treatment; and a production method thereof. The oxygen absorbable laminate can effectively exert oxygen absorbability even when used for dried foods and the like.Type: GrantFiled: June 15, 2001Date of Patent: December 31, 2002Assignee: Toyo Seikan Kaisha, Ltd.Inventors: Youichi Ishizaki, Kentaro Ichikawa, Hidehiko Nishizuka
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Patent number: 6497948Abstract: The present invention aims to provide a particulate magnetic recording medium showing a high C/N in high-density magnetic recording (especially using an MR head for reproducing). Herein disclosed is a magnetic recording medium comprising a lower layer containing a nonmagnetic powder and a binder provided on a nonmagnetic flexible substrate and a magnetic layer containing a ferromagnetic powder and a binder provided thereon wherein said magnetic layer has an average thickness d of 0.01-0.1 &mgr;m, the ferromagnetic powder contained in said magnetic layer is an acicular ferromagnetic alloy powder having an average major axis length of 0.1 &mgr;m or less and a as of 120 A.m2/kg (120 emu/g) or less, the nonmagnetic powder contained in said lower layer is an acicular inorganic powder having an average major axis length of 0.15 &mgr;m or less, and said ferromagnetic powder has an aspect ratio equal to or smaller than the aspect ratio of said acicular inorganic powder.Type: GrantFiled: March 29, 2001Date of Patent: December 24, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyomi Ejiri, Masahiko Mori
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Publication number: 20020189722Abstract: A turbine engine component includes a substrate and a wear coating on the substrate. The wear coating includes wear-resistant particles in a matrix phase, the wear-resistant particles being formed of chrome carbide or a cobalt alloy. Methods for forming a turbine engine component are also disclosed.Type: ApplicationFiled: June 25, 2002Publication date: December 19, 2002Inventors: Wayne Charles Hasz, David Edwin Budinger
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Patent number: 6494972Abstract: A ferrous-alloy aircraft structural component such as a fastener is prepared by providing a ferrous-alloy component precursor that is not in its final heat-treated state, and coating with an aluminum-containing, curable organic coating material having a non-volatile portion that is predominantly organic and is curable at about the ferrous-alloy component's tempering temperature. The coated, ferrous-alloy is then tempered to concurrently impart predetermined metallurgical properties to the finished, ferrous-alloy material, and cure the organic, aluminum-containing coating.Type: GrantFiled: October 3, 2000Date of Patent: December 17, 2002Assignee: Boeing North American, Inc.Inventors: Steven G. Keener, Kevin T. Ruth
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Publication number: 20020187323Abstract: To provide a laminate film having better shaping processability than conventional laminate films by disposing between the first resin layer 1 and the adhesive layer 3 the second resin layer 2 which has a Vicat softening point lower than that of the first resin layer, has a melting point lower than that of the first resin layer by 2° C. or more, is at least 0.5 times thicker than the first resin layer, and contains as the main component a propylene-&agr;-olefin copolymer. In addition, it becomes possible to provide the laminated structure 5 having the laminate film provided with the second resin layer 2 on the substrate 4. Hence, the present invention has great industrial significance.Type: ApplicationFiled: May 24, 2002Publication date: December 12, 2002Inventor: Takeshi Yamamoto
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Publication number: 20020187324Abstract: A film for optical applications comprising (A) a hard coat layer which comprises a resin cured by an ionizing radiation, (B) a high refractivity layer which comprises a resin cured by an ionizing radiation and at least two metal oxides comprising tin oxide doped with antimony and has a refractive index in a range of 1.65 to 1.80 and (C) a low refractivity layer which comprises a siloxane-based polymer and has a refractive index in a range of 1.37 to 1.47, layers (A) to (D) each having a specific thickness and being successively laminated at least on one face of a substrate film. The film exhibits an excellent property for preventing reflection of light and excellent scratch resistance and can be produced at a low cost.Type: ApplicationFiled: April 29, 2002Publication date: December 12, 2002Applicant: LINTEC CORPORATIONInventors: Satoru Shoshi, Yutaka Onozawa, Shigenobu Maruoka
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Publication number: 20020182390Abstract: Multilayer films are contemplated. Specifically, films containing 3, 4, 5, 6 or more layers. Anti-block will be included in a tie layer, contiguous to a skin layer and a core layer. The film may contain one or two skin layers. If there are two tie layers, the anti-block may be found in one or both. Metallized films made from the multilayer films are also contemplated. Use of the multilayer films in packaging, imaging, or labeling, is further contemplated.Type: ApplicationFiled: April 4, 2001Publication date: December 5, 2002Inventors: Robert Migliorini, Salvatore J. Pellingra, Karen A. Sheppard
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Publication number: 20020182391Abstract: A multilayer matte film is described. The film has a core layer and one or more matte layers on its surfaces. Additionally, each one or more matte layers may have a skin layer or layers contiguous to the matte layer. Use in packaging, labeling or imaging is contemplated.Type: ApplicationFiled: April 4, 2001Publication date: December 5, 2002Inventors: Robert A. Migliorini, Salvatore J. Pellingra, Karen A. Sheppard
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Patent number: 6489015Abstract: A hardcoat film is provided which can improve surface hardness and, at the same time, can prevent the hardcoat film per se from being damaged by stress concentration and is less likely to be scratched. The hardcoat film comprises: a transparent substrate; and a multi-layer hardcoat provided on at least one side of the transparent substrate, the multi-layer hardcoat layer comprising two or more hardcoats, the modulus of elasticity &sgr;m of a hardcoat provided closest to the transparent substrate being higher than the modulus of elasticity &sgr;s of a hardcoat provided as a surface layer.Type: GrantFiled: November 15, 1999Date of Patent: December 3, 2002Assignee: Dai Nippon Printing Co., Ltd.Inventors: Mitsuru Tsuchiya, Amane Koike, Takahiro Niimi
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Patent number: 6489020Abstract: A transfer member having a polyimide substrate with polyaniline and two different carbon black electrically conductive fillers dispersed therein for use in electrostatographic apparatuses.Type: GrantFiled: October 27, 2000Date of Patent: December 3, 2002Assignee: Xerox CorporationInventors: Edward B. Caruthers, Jr., Santokh S. Badesha, Edward L. Schlueter, Jr., Gerald M. Fletcher
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Patent number: 6485812Abstract: An ink jet recording sheet which comprises a support and at least one ink-receiving layer comprising fine inorganic particles and a binder resin, formed on at least one side of the support, wherein at least one ink-receiving layer contains at least one tetraalkoxytitanium of the following formula 1: wherein R is an alkyl group, an aryl group or an aralkyl group, and m is a natural number.Type: GrantFiled: October 21, 1999Date of Patent: November 26, 2002Assignee: Mitsubishi Paper Mills LimitedInventor: Hideki Sekiguchi
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Patent number: 6485813Abstract: A composite media comprising a backing sheet, a covering sheet, and a layer disposed between said backing sheet and said covering sheet, said layer having particles of active ingredient, binder particles, and stabilizing particles, wherein the active particles are coalesced by the binder particles, wherein each of the stabilizing particles bonds with both the backing sheet and the covering sheet, and wherein the stabilizing particles are larger than the binder particles.Type: GrantFiled: May 26, 2000Date of Patent: November 26, 2002Assignee: Koslow Technologies Corp.Inventor: Evan Koslow
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Patent number: 6482506Abstract: Provided is a particulate magnetic recording medium having excellent electromagnetic characteristics, especially, a particulate magnetic recording medium which achieves a high output and a low noise and which is suitable for reproduction with an MR head. A magnetic recording medium comprising a flexible nonmagnetic support having thereon, in order, a nonmagnetic layer containing a nonmagnetic powder and a binder and at least two magnetic layers including an uppermost magnetic layer and a lowermost magnetic layer, each containing a ferromagnetic powder and a binder, wherein said at least two magnetic layers have a total thickness of from 0.02 &mgr;m to 0.5 &mgr;m and an average particle volume V(u) and a saturation magnetization &sgr;s(u) of a ferromagnetic powder in said uppermost magnetic layer are, respectively, higher than an average particle volume V(L) and a saturation magnetization &sgr;s(L) of a ferromagnetic powder in said lowermost magnetic layer.Type: GrantFiled: August 25, 2000Date of Patent: November 19, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyomi Ejiri, Masahiko Mori
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Publication number: 20020168510Abstract: A high dielectric composite material obtained by subjecting submicron particles of an inorganic filler containing a metal as its essential component to an insulating treatment such as a chemical treatment, further subjecting to a surface treatment for improving their compatibility with organic resins, and then dispersing in an organic resin, has a dielectric constant of 15 or above, with its dielectric loss tangent in the frequency region of from 100 MHz to 80 GHz being 0.1 or less, and can therefore be used effectively for multilayer wiring boards and module substrates.Type: ApplicationFiled: February 5, 2002Publication date: November 14, 2002Inventors: Yuichi Satsu, Akio Takahashi, Tadashi Fujieda, Takumi Ueno, Haruo Akahoshi
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Patent number: 6479203Abstract: A direct drawing type lithographic printing plate precursor comprising a water-resistant support having provided thereon an image receiving layer, wherein the image receiving layer comprises particles having rough surface composed of core particles having on the surfaces thereof fine particles adhered, and a binder resin comprising a complex composed of a resin containing a siloxane bond in which a silicon atom is connected with an oxygen atom and an organic polymer containing a group capable of forming a hydrogen bond with the resin containing a siloxane bond. According to the use of the direct drawing type lithographic printing plate precursor of the present invention, images free from not only background stain over an entire surface but also dot-like stain can be formed thereon. Also, the direct drawing type lithographic printing plate precursor can prepare a lithographic printing plate providing a great number of printed matter having clear images free from disappearance or distortion of image.Type: GrantFiled: August 25, 2000Date of Patent: November 12, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroshi Tashiro, Satoshi Hoshi, Seishi Kasai, Eiichi Kato
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Patent number: 6479141Abstract: A photocatalytic titanium dioxide coating composition is described, which comprises (a) finely-divided titanium dioxide particles exhibiting photocatalytic activity, (b) particles of an inorganic compound other than titanium dioxide, or particles of an organic compound convertible to particles of an inorganic compound on firing, (c) a binder, and (d) a solvent. The articles of an inorganic compound have an average particle diameter larger than that of the finely divided titanium dioxide particles and falls within the range of about 0.1 &mgr;m to about 1.0 &mgr;m. The inorganic compound particles are substantially insoluble in the solvent. The amount of the inorganic compound particles is in the range of about 0.5% to about 7% by weight based on the weight of the finely divided titanium dioxide particles. By coating a surface of a substrate with the coating composition, a coating film exhibiting excellent photocatalytic activity and no interference color is formed.Type: GrantFiled: October 2, 2000Date of Patent: November 12, 2002Assignee: Showa Denko K.K.Inventors: Masayuki Sanbayashi, Masahiro Ohmori
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Publication number: 20020164476Abstract: The invention concerns a conductive sealing material (13/a), in particular for producing a profiled sealing member in situ, with a crosslinkable silicone and metal and/or inorganic fillers, comprising a portion of more than 1 mass % of longchain siloxane which does not crosslink or crosslinks only slightly.Type: ApplicationFiled: February 18, 1999Publication date: November 7, 2002Inventors: HELMUT KAHL, KARL GIELNIK, BERND TIBURTIUS
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Patent number: 6475613Abstract: The invention provides a magnetic recording medium which is reduced in the occurrence of a dropout and has excellent durability. The magnetic recording medium comprises a magnetic layer on one surface of a non-magnetic support and a back-coat layer, containing mainly a non-magnetic powder and a binder, on the other surface. The back-coat layer includes (a) a carbon black having an average particle size of 15 to 25 nm, (b) a carbon black having an average particle size of 60 to 80 nm and (c) CaCO3 and/or BaSO4 having an average particle size of 30 to 75 nm as the non-magnetic powder. The back-coat layer preferably includes said carbon black (a), said carbon black (b) and said CaCO3 and/or BaSO4 (c) in a ratio of (a)/(b)/(c)=60-80/3-15/15-30 by weight.Type: GrantFiled: April 24, 2000Date of Patent: November 5, 2002Assignee: TDK CorporationInventors: Tsutomu Ide, Akira Saitoh
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Patent number: 6475614Abstract: In a friction material including a fibrous reinforcement, a friction modifier and a binder, no whisker-like potassium titanate fiber is contained, but powdery or flaky potassium titanate with an aspect ratio of not higher than 3 is mixed as a friction component. The diameter of the powdery or flaky potassium titanate is preferably in a range of from 0.05 &mgr;m to 150 &mgr;m. In addition, the powdery or flaky potassium titanate is preferably subjected to surface treatment with a silane coupling agent, phenolic resin, or the like. Further, fibrous potassium titanate may be mixed at a volume ratio of not higher than 30% with respect to the powdery or flaky potassium titanate. The fibrous potassium titanate is a by-product when the powdery or flaky potassium titanate is produced and which has a length of not longer than 5 &mgr;m or a diameter of not smaller than 3 &mgr;m.Type: GrantFiled: December 19, 2000Date of Patent: November 5, 2002Assignee: Akebono Brake Industry Co., Ltd.Inventor: Akihiro Hikichi
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Publication number: 20020160180Abstract: Disclosed herein is a metal sheet with anticorrosive coating which exhibits outstanding corrosion resistance, pitting corrosion resistance, and red rust resistance. It has the anticorrosive coating on at least one side thereof. The anticorrosive coating is formed from an anticorrosive paint which contains a metallic zinc powder and at least one kind of metal salt rust inhibitor. The metal salt is a salt of a metal which is more base than zinc. The metal sheet may be a steel sheet. The metal salt rust inhibitor may be a phosphate or a phosphomolybdate.Type: ApplicationFiled: March 1, 2002Publication date: October 31, 2002Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)Inventors: Takayuki Yamamoto, Hiroo Shige, Takeshi Watase, Masafumi Shimizu
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Patent number: 6472055Abstract: A direct drawing type lithographic printing plate precursor comprising a water-resistant support having provided thereon an image-receiving layer, the image-receiving layer containing: at least one metal oxide hydrate having an average particle size of from 0.01 to 5 pm and comprising a metal atom selected from Mg, Al, Zn, Ge, Ti, Co, Zr, Sn, Fe, Cu, Ni, Pb, Pd, Cd, Mo, Cr, Ga, Mn, V, Ce and La; and a binder resin containing a complex comprising: a resin containing a siloxane bond in which a silicon atom is connected with an oxygen atom; and an organic polymer containing a group capable of forming a hydrogen bond with the resin containing a siloxane bond.Type: GrantFiled: November 9, 1999Date of Patent: October 29, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroshi Tashiro, Eiichi Kato
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Publication number: 20020155304Abstract: A sliding bearing includes a bearing alloy layer having a sliding surface and a resin surface layer formed on the sliding surface of the bearing alloy layer and containing polybenzimidazole and a solid lubricant. In manufacturing the sliding bearing, a resin surface layer composition is applied to a roughened surface of a bearing alloy layer. The resin surface layer composition contains polybenzimidazole and a solid lubricant. The resin surface layer composition is heated so as to be hardened to be formed into a resin surface layer.Type: ApplicationFiled: February 19, 2002Publication date: October 24, 2002Applicant: DAIDO METAL COMPANY LTD.Inventors: Takuya Tanaka, Nobutaka Hiramatsu, Takayuki Shibayama
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Patent number: 6468647Abstract: Infrared reflective visually colored metal substrates or metal-coated particles are prepared by burnishing colored pigments into the metal. Proper selection of the pigment allows for intense visual color without degradation of the infrared reflective properties. The resulting visually colored infrared reflective composition may be utilized in a variety of applications, such as coatings, fabrics, tapes, and face paint, to provide infrared signature control as well as visual camouflage.Type: GrantFiled: February 17, 1998Date of Patent: October 22, 2002Assignee: Spectro Dynamic Systems, LLCInventors: Christopher Richard Sutter, Richard August Petelinkar, Rebecca Edythe Reeves
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Publication number: 20020150744Abstract: A laminated glass having a surface density of at most 12 kg/m2 and comprising a plurality of glass sheets laminated one on another with an interliner provided between the respective adjacent glass sheets, wherein the interliner has an ability to shield infrared rays and an ability to insulate sounds having a frequency of 5,000 Hz.Type: ApplicationFiled: March 1, 2002Publication date: October 17, 2002Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Kuniko Nagai
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Publication number: 20020150722Abstract: Disclosed are an antiglare film having a high level of anti-scintillation properties, high sharpness of transmitted images, high light transmittance (total light transmittance), and a high level of external light reflection preventive properties, and a process for producing the antiglare film. A resin and non-agglomerative particles having a specific particle diameter are selected so that the difference in refractive index between the resin and the particles is 0.05 to 0.15. The resin and the non-agglomerative particles are brought to a coating composition using, as a solvent, a good solvent for the resin and a poor solvent for the resin. The coating composition is coated onto a substrate film to form a coating which is then dried. In the course of the drying, as the amount of the good solvent in the coating decreases, the poor solvent acts to cause the gelation of the particles and the resin. Thus, good concaves and convexes can be advantageously formed on the surface of the coating.Type: ApplicationFiled: May 24, 2000Publication date: October 17, 2002Inventor: Hiroko Suzuki
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Publication number: 20020150750Abstract: A lithographic sheet product having a substrate with a roll textured suiface covered by a pretreatment layer. The pretreatment layer enhances adhesion of a printing composition to the sheet product and is composed of a polymer selected from the group consisting of polymers of acrylic acid, polymers of methacrylic acid, an organophosphorous polymer and copolymers of an organophosphorous compound and acrylic acid or methacrylic acid. Dopant particles of alumina, silica, titanium dioxide or a black dye or pigment may be added to the pretreatment layer to reduce the gloss and reflectance of the pretreatment layer in a printing process. Etching of the substrate also reduces gloss and reflectance.Type: ApplicationFiled: August 29, 2001Publication date: October 17, 2002Inventors: David Bennett, Sallie L. Blake, Robert E. Bombalski, Joseph D. Guthrie, Daniel L. Serafin
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Patent number: 6465088Abstract: The present invention is directed to a process for obtaining a substrate provided with a coating having photocatalytic properties, wherein the coating includes crystallized particles of an oxide of a metal A having photocatalytic properties. The crystallized particles are incorporated into the coating using a mineral binder comprising at least one oxide of a metal B also having photocatalytic properties in the crystallized state. The coating optionally includes at least oxide of a metal M devoid of photocatalytic properties and/or at least one silicon compound of the silicon oxide SiO2 type. The coating is deposited from liquid-phase dispersions containing the crystallized particles of the oxide of metal A and at least one precursor compound for the oxide of metal B of the binder and optionally a precursor compound for the oxide of metal M and for the Si compound, in a relative proportion A/(B+M+Si) by weight of the metals and Si ranging between 60/40 and 40/60.Type: GrantFiled: September 5, 2000Date of Patent: October 15, 2002Assignee: Saint-Gobain Glass FranceInventors: Xavier Talpaert, Michel Simonet, Corinne Lehaut, Thierry Chopin, Frédéric Magnin-Feysot
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Patent number: 6465089Abstract: In order to obtain a sliding material which does not include lead particles and is harmless to the environment, there is provided a sliding material which includes, by volume, 3 to 40% bismuth particles but no lead particles, while having a low coefficient of friction and excellent wear resistance.Type: GrantFiled: December 14, 2000Date of Patent: October 15, 2002Assignee: Daido Metal Company Ltd.Inventors: Takahiro Niwa, Hideki Iwata, Nobutaka Hiramatsu, Takayuki Shibayama
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Patent number: 6465086Abstract: An ink jet recording material having high gloss, a good ink-absorbing property, and high color density of the ink image includes at least one underrecording layer and at least one upper recording layer formed on a support and each containing fine pigment particles having an average primary particle size of 3 to 40 nm and an average secondary particle size of 10 to 400 nm, the pigment particles in the underrecording layer having a larger primary particle size than those in the upperrecording layer.Type: GrantFiled: May 13, 1998Date of Patent: October 15, 2002Assignee: Oji Paper Co., Ltd.Inventors: Ryu Kitamura, Tomomi Takahashi, Shunichiro Mukoyoshi
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Publication number: 20020142150Abstract: Substrates, in particular a substrate of glass, ceramic, plastic and metal and glazed or enamelled substrates, with a self-cleaning surface comprise an at least partly superficially hydrophobic structured (elevations and depressions) coating located on the substrate.Type: ApplicationFiled: December 12, 2001Publication date: October 3, 2002Applicant: Ferro GmbHInventors: Martin Baumann, Klaus-Dieter Fritsche, Dagmar Korbelarz, Stephan Ludwig, Lutz Poth
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Publication number: 20020142151Abstract: An antireflection substrate is provided, which has a base; an antireflection layer comprising a high refractive index layer (having a refractive index in a range of from 1.6 to 1.8) and a low refractive index layer (having a refractive index in a range of from 1.3 to 1.5), both refractive index layers being placed on one side of surface of the base in this order; and an antireflection layer comprising a low refractive index layer (having a refractive index in a range of from 1.4 to 1.5) placed on the other side of surface of the base. The antireflection substrate shows an excellent antireflection performance, has a weak interference color of reflecting light and can provide a screen image with little mottled pattern.Type: ApplicationFiled: March 22, 2002Publication date: October 3, 2002Applicant: SUMITOMO CHEMICAL COMPANY. LIMITEDInventors: Shinsuke Ochiai, Kiyoshi Muto
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Patent number: 6458452Abstract: The present invention relates to titanium oxide particles having an average particle size of not more than 0.3 &mgr;m, and a BET specific surface area of 15 to 200 m2/g, containing a soluble sodium salt of not more than 230 ppm, calculated as Na, and a soluble sulfate of not more than 150 ppm, calculated as SO4, and having a pH value of not less than 8. The titanium oxide particles of the present invention are suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which uses magnetic particles containing iron as a main ingredient, and even more particularly, are suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which uses magnetic particles containing iron as a main ingredient, show an excellent dispersibility in a binder resin, contain only a small amount of soluble sodium salt and soluble sulfate, and have a pH value of not less than 8.Type: GrantFiled: December 17, 1999Date of Patent: October 1, 2002Assignee: Toda Kogyo CorporationInventors: Kazuyuki Hayashi, Keisuke Iwasaki, Yasuyuki Tanaka, Hiroko Morii
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Patent number: 6455864Abstract: The radiation shielding composition and method of the present invention relate to a conformal coating material composed of a matrix of densely packed radiation shielding particles, which are disbursed within a binder. The shielding composition is applied to objects to be protected such as integrated circuits, or to packages therefor, as well as for protecting animals including humans from unwanted exposure to radiation in outer space or other environments.Type: GrantFiled: November 30, 2000Date of Patent: September 24, 2002Assignee: Maxwell Electronic Components Group, Inc.Inventors: Michael Featherby, David J. Strobel, Phillip J. Layton, Edward Li
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Publication number: 20020132135Abstract: A non-powered composite luminous panel including two plates of light transmissive material and the interlayer of a luminescent material provided between the two plates. The luminescent material includes a light transmissive resinous material and contains a suspension of luminescent particles, preferably of the long acting emitting type.Type: ApplicationFiled: March 16, 2001Publication date: September 19, 2002Inventor: David K. Sturley
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Patent number: 6451422Abstract: Described is an interface material composition that includes rubber, phase change material and thermally conductive filler.Type: GrantFiled: December 1, 1999Date of Patent: September 17, 2002Assignee: Johnson Matthey, Inc.Inventor: My N. Nguyen
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Patent number: 6447919Abstract: Hydrophobic coating compositions are provided as are processes to coat articles with the compositions. Extremely hydrophobic coatings are provided by the compositions. Durable, weatherable and scratch-resistant coatings are provided by compositions comprising a trifluoromethyl-containing component and a hardenable material. Processes are also provided for forming hydrophobic coatings on articles without any substantial loss of fluorocarbon solvent used in the coating composition. Articles are coated on a surface thereof with a hydrophobic coating reactant or reaction product which forms a coating having an exposed surface populated with 30% by area or more terminal trifluoromethyl groups.Type: GrantFiled: June 14, 2000Date of Patent: September 10, 2002Assignee: Cytonix CorporationInventors: James F. Brown, Richard A. Schneider
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Publication number: 20020119304Abstract: The present invention relates to metal oxide particles capable of being highly dispersed in organic materials to form transparent colloids and ceramers. The metal oxide particles of the present invention have surfaces attached to a dispersing aid and a degree of crystallinity of greater than 55 percent. The crystallite diameter of the metal oxide particles is greater than about 4 nanometers and less than about 20 nanometers. The present invention also relates to the colloids and ceramers prepared using these metal oxide particles and the methods associated with the preparation of the particles, colloids, and ceramers.Type: ApplicationFiled: November 19, 2001Publication date: August 29, 2002Applicant: 3M Innovative Properties CompanyInventors: David S. Arney, Thomas E. Wood
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Patent number: 6440545Abstract: A powder for use in the lower layer of a coating magnetic recording medium, comprising acicular particles with a mean major axis length in a range of from 0.01 to 0.5 &mgr;m and a mean minor axis length in a range of from 0.01 to 0.05 &mgr;m, provided that the acicular particles are flat acicular particles which, when cut in a direction perpendicular to the major axis, uniformly exhibit a cross section having a larger width to smaller width ratio of greater than 1, and that the quantity of discharged H2O at 100° C. is in a range of from 0.1 to 2.0% by weight.Type: GrantFiled: August 9, 2000Date of Patent: August 27, 2002Assignee: Dowa Mining Co., Ltd.Inventors: Seiichi Hisano, Kazuhisa Saito, Kazushi Sano, Yoshichika Horikawa
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Patent number: 6440546Abstract: The flexible, weatherable decorative sheet material provided by the present invention comprises a thermoformable decorative paint film having an inner surface and a weatherable, low gloss outer surface suitable for forming an exterior finish for a part, such as an automobile body part. The sheet material further includes an extensible mask layer releasably adhered to the outer surface of the paint film to form a protective film overlying the paint film. The mask layer comprises a film-forming polymer component and a particulate filler, such as silica, dispersed in the polymer component. A method of constructing the decorative sheet material, a method of controlling the gloss appearance of a paint film, and a composite shaped part including the decorative sheet material are also provided.Type: GrantFiled: October 13, 1999Date of Patent: August 27, 2002Assignee: Ream Industries Corp.Inventors: Thomas Randall Fields, Scott William Huffer
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Patent number: 6436514Abstract: The object of the present invention is to provide ink jet recording sheets having a high color forming property and causing no troubles in carrying them in printers. In ink jet recording sheets having at least one ink receiving layer and a gloss developing layer coated by a cast coating method laminated in succession on one side of a support and a back-coat layer comprising a pigment and a binder on another side of the support, the static friction coefficient between the gloss developing layer and the back-coat layer is adjusted to 0.9 or lower under the conditions of 20° C. and 65%RH. Furthermore, the object can be attained by using an alumina hydrate as the pigment in the gloss developing layer and a specific pigment and a lubricant in the back-coat layer.Type: GrantFiled: October 22, 1999Date of Patent: August 20, 2002Assignee: Mitsubishi Paper Mills LimitedInventors: Kenyuki Ishiyama, Hirokazu Yamamoto
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Patent number: 6436520Abstract: A magnetic display sheet of the present invention comprises: a magnet sheet having a magnetized surface, and a non-magnetized surface, which magnet sheet comprises: 400 to 1,900 parts by weight of at least one kind of magnetic particles selected from the group consisting of magnetoplumbite-structure ferrite particles and rare-earth magnet particles, as a filler, and 100 parts by weight of a binder comprising 50 to 95% by weight of at least one thermoplastic elastomer selected from the group consisting of a styrene-isoprene-styrene block copolymer resin, a styrene-ethylene.butylene-styrene block copolymer resin and an ethylene-propylene copolymer rubber, and 5 to 50% by weight of at least one soft polyolefin selected from the group consisting of a propylene homopolymer and a propylene-ethylene copolymer; and a printing paper sheet for being printed on, said paper sheet being bonded to said non-magnetized surface of said magnet sheet.Type: GrantFiled: September 1, 2000Date of Patent: August 20, 2002Assignee: Toda Kogyo CorporationInventor: Kazumi Yamamoto
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Patent number: 6435824Abstract: A gas turbine stationary shroud is a curved stationary shroud body having a concave inner gas-path surface and a generally convex back. The curved stationary shroud body is made of an open-cell solid ceramic foam having ceramic cell walls with intracellular volume therebetween. The ceramic foam may be tailored to provide requirement properties. The ceramic adjacent to the gas path surface may be modified to increase or decrease its abrasion resistance, depending upon the design requirements of the stationary shroud. The intracellular volume adjacent to the gas-path surface may be porosity. Some of the ceramic material adjacent to the back of the shroud may be removed, and the intracellular volume adjacent to the back of the shroud may be filled with a nickel-base alloy.Type: GrantFiled: November 8, 2000Date of Patent: August 20, 2002Assignee: General Electric Co.Inventors: Jerry Donald Schell, Curtiss Mitchell Austin, Richard John Grylls
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Patent number: 6432526Abstract: The present invention relates to metal oxide particles capable of being highly dispersed in organic materials to form transparent colloids and ceramers. The metal oxide particles of the present invention have surfaces attached to a dispersing aid and a degree of crystallinity of greater than 55 percent. The crystallite diameter of the metal oxide particles is greater than about 4 nanometers and less than about 20 nanometers. The present invention also relates to the colloids and ceramers prepared using these metal oxide particles and the methods associated with the preparation of the particles, colloids, and ceramers.Type: GrantFiled: November 19, 2001Date of Patent: August 13, 2002Assignee: 3M Innovative Properties CompanyInventors: David S. Arney, Thomas E. Wood
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Patent number: 6432509Abstract: A composite film for a film condenser, which comprises a biaxially oriented film made of polyethylene-2,6-naphthalenedicarboxylate as a main polymer component and an electrically conductive metal thin layer formed on the surface of the biaxially oriented film, wherein the number of flyspecks having an average diameter of 60 &mgr;m or greater in the surface of said biaxially oriented film is 20/m2 or less and the number of portions failing to satisfy a dielectric breakdown voltage of 200 V/&mgr;m (electrical insulation defects) in said composite film is 20/m2 or less, and a biaxially oriented film therefor. According to the present invention, there is provided a high-quality composite film for a film condenser, which has excellent physical properties and electric characteristics. Further, there is provided a very thin biaxially oriented film excellent in processability and surface properties and usable for the composite film.Type: GrantFiled: February 7, 2001Date of Patent: August 13, 2002Assignee: Teijin LimitedInventors: Koji Furuya, Shinya Watanabe, Hiroshi Kusume, Akira Kameoka
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Patent number: 6432503Abstract: A magnetic recording medium is described, which comprises a support having thereon a magnetic layer comprising a ferromagnetic metal powder dispersed in a binder, which is a magnetic recording medium for recording signals of from 0.17 to 2 G bit/inch2 of areal recording density, wherein the coercive force of said magnetic layer is 1,800 Oe or more, said ferromagnetic metal powder comprises Fe and Co, and the atomic ratio of Al/(Fe+Co) is from 3.0 to 15.4%.Type: GrantFiled: March 30, 1998Date of Patent: August 13, 2002Assignee: Fuji Photo Film Co., Ltd.Inventors: Masahi Aonuma, Shinji Saito, Hitoshi Noguchi, Nobuo Yamazaki
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Publication number: 20020106519Abstract: A glass plate has a thickness of from 1.5 to 3 mm, and it has a peripheral region having a predetermined width along the edge line of the plate and having its principal stress difference of compressive properties, an intermediate region having a predetermined width adjacent to an inner periphery of the peripheral region and having its principal stress difference of tensile properties and a central region occupying an inner peripheral side of the intermediate region wherein the central region has an averaged surface compression stress of from 15 to 35 MPa, and the peripheral region has a width of from 5 to 20 mm; the maximum value of the principal stress difference averaged in a thickness direction of the plate along its center line is from 20 to 40 MPa, and the minimum value of the principal stress difference averaged in a thickness direction along the center line is from 8 to 25 MPa.Type: ApplicationFiled: December 5, 2001Publication date: August 8, 2002Applicant: Asahi Glass Company, LimitedInventor: Masayuki Takahara
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Patent number: 6428883Abstract: A composite resinoid/diamond dicing blade includes diamond particles and a dry lubricant dispersed in a resin binder. The dry lubricant can be in powdered form, and is preferably selected from graphite, talc, molybdenum disulfide, tungsten disulfide, niobium disulfide, boron nitride, and ditellurides and diselenides of group V and VI metals, with molybdenum disulfide being particularly preferred. The dicing blade can be used in cutting a variety of substrates, such as in the production of ink jet printheads, electrical semiconductor chips, raster input scan (RIS) sensor bars, and magnetic heads.Type: GrantFiled: May 13, 1999Date of Patent: August 6, 2002Assignee: Xerox CorporationInventor: Robert M. White
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Publication number: 20020098369Abstract: A phase change composition that is useful as a thermally conductive interface composition between a heat sink and an electronic component that includes:Type: ApplicationFiled: May 26, 1999Publication date: July 25, 2002Inventors: JASON L. SANDERS, GEORGE E. SEARS
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Patent number: 6423404Abstract: A low-transmission transparent layered structure made of a transparent substrate and a low-transmission transparent layer formed on the transparent substrate, wherein the low-transmission transparent layer is constituted of black pigment fine particles having a mean particle size of from 10 to 150 nm and a binder matrix as the main constituents, the black pigment fine particles are composite oxide fine particles of iron, manganese, and copper, or are carbon fine particles and black titanium compound fine particles, the visible light transmittance of the low-transmission transparent layer is from 40 to 90%, and the standard deviation of the transmittance of the low-transmission transparent layer in each wavelength every 5 nm of a visible light wavelength region (380 to 780 nm) is 5% or lower. The low-transmission transparent layer structure has a flat transmission profile, can impart a low reflectance and antistatic and electric field shielding functions, and is used for a display device.Type: GrantFiled: January 18, 2000Date of Patent: July 23, 2002Assignee: Sumitomo Metal Mining Co., Ltd.Inventors: Yoshihiro Ohtsuka, Masaya Yukinobu
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Patent number: 6420019Abstract: The invention relates to a coextruded, transparent, biaxially oriented polyester film having at least three layers, with at least one base layer B, at least 80% by weight of which is composed of a thermoplastic polyester, where an outer layer has been applied to each surface of this base layer, and where at least one outer layer comprises particles, wherein the gloss of both surfaces of the film is above 170 the haze of the film is below 2.4% the planar orientation &Dgr;p of the film is below 0.162. the coefficient of friction (COF) is below 0.6. The invention further relates to the use of a film of this type, and also its production.Type: GrantFiled: June 26, 2001Date of Patent: July 16, 2002Assignee: Mitsubishi Polyester Film GmbHInventors: Herbert Peiffer, Gottfried Hilkert