Aluminum Dnrm Patents (Class 524/441)
  • Patent number: 5530051
    Abstract: The present invention relates to a synthetic resin composition for obtaining a molded article which has a metallic appearance like the brilliance of Milky Way, and is used in OA instruments, AV instruments cameras, telephones, electric shavers, wheel caps for automobiles, vessels for cosmetics, and the like. The synthetic resin composition comprises 100 parts by weight of a thermoplastic resin, and as a metallic pigment, from 0.2 to 5 parts by weight of lustrous metal particles having an average particle diameter (maximum length) of from 50 to 800 .mu.m, and a ratio .sigma./x of a standard deviation of a particle diameter (.sigma.) to an average particle diameter (x) of 0.1 or less, or from 0.2 to 10 parts by weight of lustrous metal fine pieces having an average particle diameter of from 50 to 800 .mu.m, and an average shape ratio (thickness/average particle diameter) of from 1/100 to 1/8.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: June 25, 1996
    Assignee: Kanegafuchi Kagaku Kabushiki Kaisha
    Inventors: Atsushi Hirata, Kazushi Hirobe
  • Patent number: 5492958
    Abstract: Disclosed is a method of forming metal containing ceramic coatings on substrates. The method comprises applying a coating of hydrogen silsesquioxane resin and a metallic filler onto a substrate and heating the coated substrate at a temperature sufficient to convert the hydrogen silsesquioxane resin to a silica containing ceramic matrix containing the metallic filler.
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: February 20, 1996
    Assignee: Dow Corning Corporation
    Inventors: Loren A. Haluska, Keith W. Michael
  • Patent number: 5492946
    Abstract: A molded article having improved weld line strength, fabricated from a polymer blend composition comprising at least one liquid crystalline polymer and at least one additional polymer, wherein the composition has a crystallization rate lower than said at least one liquid crystalline polymer.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: February 20, 1996
    Assignee: Amoco Corporation
    Inventors: Paul J. Huspeni, John F. Petry, Roger W. Nelson, Steven R. Dunkle
  • Patent number: 5470643
    Abstract: A polymer thick film resistor composition is disclosed which comprises: (1) finely divided particles of a conductive metal having a surface area of 0.3 to 3.0 m.sup.2 /g; (2) finely divided particulate material having a surface area greater than 100 m.sup.2 /g; (3) a thermoplastic resin; dissolved in (4) an organic solvent having a volatility rating of 10,000 to 50,000; wherein the composition is substantially curable within 2.5 minutes by heating to a temperature of 135.degree. C., and further wherein the volume ratio of particulate material to resin is at least 3.5, and the weight ratio of solvent to resin is 3 to 5.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: November 28, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Jay R. Dorfman
  • Patent number: 5468798
    Abstract: A basecoat for a nonstick coating system wherein the basecoat comprises a high temperature binder resin, preferably polyamideimide resin, and a filamentary powder, preferably a nickel powder, which is combined with the high temperature binder to yield a spongelike coating which with appropriate application has a rough surface and an internal structure containing interlocking channels. These channels may be impregnated by subsequently applied coatings, especially nonstick fluoropolymer coatings.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: November 21, 1995
    Assignee: Whitford Corporation
    Inventor: Lawrence D. Leech
  • Patent number: 5459189
    Abstract: A resin composition having improved resistance to discoloration caused by exposure to light, which comprises (a) 5-95% by weight of a polyphenylene ether alone or in combination with a styrene polymer, (b) 95-5% by weight of a polyamide, and based on 100 parts by weight of the sum of (a) and (b), (c) 0.01-30 parts by weight of one or more agents to improve the compatibility of a polyphenylene ether and a polyamide, (d) 0-50 parts by weight of one or more agents to improve the impact resistance, and (e) 0.1-15 parts by weight of metal particles having 10 .mu.m or less of weight average particle size and 3 or more of aspect ratio, and 60% by weight or more of (e) metal particles being included in (b) a polyamide.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: October 17, 1995
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Hiroshi Hagimori, Yasuro Suzuki, Kaoru Kitadono, Takashi Sanada
  • Patent number: 5451632
    Abstract: A polycarbonate-polyorganosiloxane copolymer comprising a repeating unit I represented by the general formula: ##STR1## a repeating unit II represented by the general formula: ##STR2## a structural unit III represented by the general formula: ##STR3## and a terminal group IV of polyhalogenophenoxy group represented by the general formula: ##STR4## wherein symbols in the formulae are the same as those described in the specification, is disclosed. Content of the repeating unit II based on the total of contents of the repeating unit I and the repeating unit II and content of the structural unit III based on the total of contents of the repeating unit I, the repeating unit II and the structural unit III are in specific ranges, respectively. Resin compositions comprising the polycarbonate-polyorganosiloxane copolymer and a resin, such as a polycarbonate, a fluororesin, a styrenic resin and the like, inorganic filler or pigment is also disclosed.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: September 19, 1995
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Ryozo Okumura, Masaya Okamoto
  • Patent number: 5447969
    Abstract: A polyurethane composition excellent in chlorine resistance containing 0.1 to 10% by weight, based on the polyurethane, of hydrotalcite which has water of crystallization and a C.sub.10 -C.sub.30 fatty acid adhered thereto, capable of being stably spun over a long period of time, and exhibiting neither discoloration in the step of tannin solution treatment nor swelling during chlorine immersion treatment.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: September 5, 1995
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Yoshiaki Kojima, Akihiko Yoshizato
  • Patent number: 5447967
    Abstract: The invention relates to a biocompatible ceramic dental prosthesis having a translucency similar to that of natural tooth enamel and a high mechanical strength.It comprises a rigid, porous infrastructure obtained by the reactive calcination of fine particles of alumina/magnesia spinel, alumina and magnesia, the pores of which are occupied by glass infiltrated at high temperature.The invention also relates to a manufacturing process for producing such a prosthesis.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: September 5, 1995
    Inventor: Michele Tyszblat
  • Patent number: 5434210
    Abstract: Thermal spray powders are characterized by the presence of a matrix-forming component, a solid lubricant component and a plastic component. Abradable coatings formed by thermal spraying the powders abrade readily to form abradable seals. The abradable coatings have a metal, metal alloy, or ceramic matrix with discrete inclusions of solid lubricant and plastic. The thermal spray powders may be prepared as mechanically fused agglomerates.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: July 18, 1995
    Assignee: Sulzer Plasma Technik, Inc.
    Inventors: Subramaniam Rangaswamy, Robert A. Miller
  • Patent number: 5432224
    Abstract: Moldable compositions comprising metallic powder or combination thereof with ceramic powder, mixed an organic binder are disclosed, at least a part of which comprises a synthetic resin component (A) having a heat deformation temperature of 130.degree. C. or higher. The component A may be used in combination with another component (B) having a melting point of 30.degree. C.-100.degree. C., with or without another thermoplastic component (C), having a heat deformation temperature of 13.degree. C. or less. Moldable compositions, comprising metallic and/or ceramic powder mixed with an organic binder comprising a secondary or tertiary amine (D), or combination thereof with a thermoplastic resin (E), are also disclosed.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: July 11, 1995
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Jiroh Ryuhgoh, Kohshi Kawamoto, Tadahiro Osanaga, Yoshiroh Nakata
  • Patent number: 5432223
    Abstract: A novel high-performance binder system is provided for the fabrication of segregation-free iron based powder blends. The blends are prepared by using a binder system comprising thermoplastic resin polyvinylpyrrolidone and a suitable compatible plasticizer such as polyethylene glycol, and optional solid lubricants. The binder system enables the manufacture of segregation-free iron-based powder blends with high flow rate and compressibility, enhanced apparent density, green strength and transverse rupture strength, and low dimensional variations compared to unbonded powder blends and to blends made with PVP or PEG only as the binder.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: July 11, 1995
    Assignee: National Research Council of Canada
    Inventors: Blaise Champagne, Kenneth Cole, Sylvain Pelletier
  • Patent number: 5430074
    Abstract: A gum-colored dental composite is provided which may be used in class V dental restorations or as a cosmetic coating for the gingival portion of a tooth. A kit is also provided which enables a gum-colored dental composite to be formulated which closely resembles the natural gum coloration of any patient's gums. The dental composite may be used to counter the illusion of long teeth which occurs when a gum line recedes. The dental composite may also be used on other composite resins, porcelains and metals.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: July 4, 1995
    Assignee: Jeneric/Pentron, Incorporated
    Inventors: Nina Y. Barnes, Ronald Feinman, Samuel Waknine, Bruce H. Alpert
  • Patent number: 5428096
    Abstract: An oil-repellent fluororubber composition obtained by compounding a low-molecular weight tetrafluoroethylene resin with a peroxide crosslinked fluororubber having a Mooney viscosity of 90 or more ML.sub.1+10 (100.degree. C.) or compounding a low-molecular weight tetrafluoroethylene resin and an inorganic filler selected from powders of solid substances, such as iron, nickel, cobalt, iron-cobalt alloy, molybdenum, tungsten, tantalum and tungsten-carbide, having surface energy higher than that of copper with a peroxide crosslinked fluororubber. An oil-repellent fluororubber elastomer having excellent oil repellency and at the same time maintaining original mechanical and physical characteristics sufficiently can be obtained, using easily available materials on the market without any special means of processing and treatment.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: June 27, 1995
    Assignee: Kinyosha Company, Limited
    Inventor: Noritomo Fukunaga
  • Patent number: 5419936
    Abstract: Bottles can be made, especially by extrusion stretch blow moulding, using a thermoplastic polymer composition comprising a polymer, preferably a polyester, which contains metal particles especially of sb, which intrinsically absorb radiation in the wavelength region 500 nm to 2000 nm, in a quantity such that the reheat time of the polymer is less than the reheat time of the polymer in the absence of that quantity of particles. A method of making such metal containing polymer compositions by reducing a metal compound in situ is also described.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: May 30, 1995
    Assignee: ICI Chemical Industries PLC
    Inventor: Neil Tindale
  • Patent number: 5416156
    Abstract: A surface coating composition comprising, in combination, a fibrillated polymer matrix, at least one pigment, at least one binder, and at least one solvent, and a method for the manufacture thereof.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: May 16, 1995
    Assignee: Revlon Consumer Products Corporation
    Inventor: Melvin E. Kamen
  • Patent number: 5409968
    Abstract: The invention provides semi-conductive, static dissipative polymeric composites comprising:a) an insulative polymeric resin, andb) from about 5 to about 35 volume percent of at least one high aspect ratio filler having a thin-film inorganic layer of from about 10 .ANG. to about 1000 .ANG. of a highly conductive metal and an overlayer of an insulative metal oxide, said layer having an average coating thickness of from about 2 .ANG. to about 200 .ANG.,the composites having volume resistivities of from about 1.times.10.sup.4 ohm-cm to about 1.times.10.sup.11 ohm-cm.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: April 25, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: William J. Clatanoff, Craig S. Chamberlain
  • Patent number: 5409986
    Abstract: The present invention relates to a covering based on thermoplastic elastomers, especially a floor covering.The matrix constituting such a covering is an alloy containing, as base, a styrene-based thermoplastic elastomer, as reinforcement, a styrene-based polymer and, as flexibilizer, an olefin polymer.The coverings thus obtained satisfy the wear standards of a floor covering, can be calendered and exhibit good resistance to cigarette burns.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: April 25, 1995
    Assignee: Gerflor SA
    Inventors: Jean-Michel Boudry, Gilles Finaz, Bernard J. Gagnaire, Cu-Cong Trinh
  • Patent number: 5405906
    Abstract: Nonlinear optical composites with large third-order optical response compd of metal clusters uniformly dispersed in polymers are prepared by vapor deposition of a metal onto a cold support while simultaneously cocondensing a vapor of an organic material. Where the organic material is a monomer, it polymerizes either when it comes in contact of the metal and/or when the cold surface is warmed. The unpolymerized monomer is removed to yield a processable composite. When the organic material is a diluent, it deposits as a solid on the cold surface forming a dispersion of the solid metal clusters in the liquid diluent. A polymer solution is then mixed with the dispersion and the composite is formed after removal of the diluent and the solvent for the polymer.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: April 11, 1995
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Allan W. Olsen, Zakya H. Kafafi
  • Patent number: 5397828
    Abstract: A biaxially stretched polyester film is disclosed.The biaxially stretched polyester film comprises substantially spherical silica particles of colloidal state having average diameters ranging from approximately 20 nm to approximately 200 nm in amounts ranging from approximately 0.005% to approximately 1.0% by weight based on the total weight of the polyester; and alumina particles having average diameters ranging from approximately 50 nm to approximately 500 nm in amounts ranging from approximately 0.05% to approximately 5.0% by weight, the average diameter of the alumina particles being larger than that of the silica particles.The biaxially stretched film prepared according to the present invention has excellent surface properties such as slip property and abrasion resistance, so that the film may be used for manufacturing final products without scratches and white powders occurring thereon.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: March 14, 1995
    Assignee: Cheil Synthetics Inc.
    Inventors: Dae W. Ihm, Jeong L. Kim, Seung B. Jun
  • Patent number: 5391606
    Abstract: Emissive compositions are described that can be applied as a coating to the surface of an investment casting mold to increase or decrease the rate of cooling of a casting within the mold. A coating that decreases the rate of cooling of an investment casting within an investment casting mold may comprise a compound having an emissivity less than the emissivity of the mold; a high temperature glass-forming material and a solvent to make a slurry. Similarly, a coating that increases the rate of cooling may comprise a compound having an emissivity greater than the emissivity of the mold; a low temperature glass-forming material and a solvent to make a slurry. Also disclosed in a method of investment casting wherein an emissive composition is applied to the investment casting mold.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: February 21, 1995
    Assignee: Nalco Chemical Company
    Inventor: Ronald S. Doles
  • Patent number: 5384075
    Abstract: An addition-curable type organopolysiloxane composition having a volume resistivity of 10.sup.7 .OMEGA.cm or below, comprising (A) an organopolysiloxane having at least two alkenyl group in its molecule and a viscosity at 25.degree. C. of from 100 to 200,000 cSt, (B) an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in its molecule, (C) a platinum group metal catalyst, (D) an organosilicon compound which has at least one silicon-bonded hydrogen atom in its molecule and in which at least one member selected from the group consisting of epoxy group-containing organic groups and alkoxy groups is attached to a silicon atom, and (E) an electrically conductive filler. This composition can be cured by an ultra high frequency heating system to form an adhesive cured product. It is therefore possible to obtain cured products with stable physical properties under constantly fixed conditions irrespective of the heat capacity of adherends.
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: January 24, 1995
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventor: Takehide Okami
  • Patent number: 5360666
    Abstract: During radiotherapy for malignant conditions, healthy tissues can suffer from radiation damage. Traditional radiation shields designed to protect healthy tissues are prepared by a lengthy, multi-step complex procedure. Materials are described for preparation of a radiation shield for use during radiation therapy, especially therapy of the head and neck, where the material comprises a composite of non-radioactive, non-toxic high atomic density metal or metal alloy spherical particles dispersed in a manually moldable elastomeric material. Custom radiation shields are formulated of this material without the need for use of impressions or molds. Healthy tissues may then be shielded during radiation therapy by positioning the custom-fitted radiation shield in the desired location on the patient's body.
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: November 1, 1994
    Assignee: American Dental Association Health Foundation
    Inventor: Frederick Eichmiller
  • Patent number: 5358992
    Abstract: In accordance with the present invention, there is provided a novel composition for attaching a semiconductor device to a substrate. The invention composition comprises liquid polycyanate ester monomer, electrically conductive filler rendered substantially free of catalytically active metal ions and a curing catalyst. Treatment of filler to render it free of catalytically active metal ions significantly extends the pot life of the composition.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: October 25, 1994
    Assignee: Quantum Materials, Inc.
    Inventors: Stephen M. Dershem, Deborah L. Derfelt, Dennis B. Patterson
  • Patent number: 5354802
    Abstract: The present invention provides a resin composition enhanced in melt tension and remarkably improved in blow moldability without a parison being drawing down during blow molding, while being freed from the tendency to gelation at high viscosity, maintaining stable flowability and capable of effectively producing a blow molded article of comparatively large size having uniform thickness and excellent appearance.A resin composition for blow molding prepared by compounding 100 parts by weight of a resin component composed of:(A) 1 to 99 parts by weight of a thermoplastic polyester resin mainly comprising an aromatic dicarboxylic acid or the ester forming derivative thereof and an aliphatic dihydroxy compound having 2 to 8 carbon atoms and(B) 99 to 1 parts by weight of a thermoplastic polyamide resin with(C) 0.2 to 10 parts by weight of a styrenic copolymer comprising 40 to 97% by weight of styrene, 60 to 3% by weight of a glycidyl ester of an .alpha.,.beta.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: October 11, 1994
    Assignee: Polyplastics Co., Ltd.
    Inventors: Toshio Shiwaku, Kenji Hijikata, Kenji Furui, Masato Suzuki
  • Patent number: 5344857
    Abstract: A water based coating composition which has excellent shelf stability and can be cured by ordinary baking in the absence of a sulfonic acid-containing acid catalyst and which gives a coating having excellent adhesion and excellent water resistance. The water based coating composition can be obtained by dissolving or dispersing50 to 80% by weight, as a solid content, of a water-soluble polyester resin prepared by polycondensing a carboxylic acid component containing 10 to 60 mol % of a polycarboxylic acid having 3 to 4 carboxyl groups per molecule and 40 to 90 mol % of a dicarboxylic acid and 1.1 to 2.0 mol, per mole of the carboxylic acid component, of a glycol component, to obtain a polyester resin having a free carboxyl group, and dissolving the polyester resin in water in the presence of a base,5 to 20% by weight, as a solid content, of a water based bisphenol type epoxy resin, and15 to 45% by weight, as a solid content of an alkyl-etherified amino resin, in an aqueous medium.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: September 6, 1994
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Mituo Umezawa, Masashi Nakamura, Hirosi Kubota
  • Patent number: 5322901
    Abstract: The disclosure describes a resin and rubber composition with good heat-shrinkability characteristics. Also described is a resin and/or rubber composition having dispersed therein a metal compound used for heating the composition.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: June 21, 1994
    Assignee: Toyoda Gosei Co., Ltd.
    Inventor: Mitsuru Kato
  • Patent number: 5322864
    Abstract: An epoxy resin composition comprising (a) a low-viscosity epoxy resin having a viscosity of not more than 100 poise at 25.degree. C. which contains a tri- or tetrafunctional liquid aromatic epoxy resin, (b) a liquid curing agent selected from the group consisting of an imidazole compound, the combination of a liquid alicyclic acid anhydride and an imidazole compound, the combination of a liquid alicyclic amine and an imidazole compound, (c) a metal powder having an average particle size of not more than 125 .mu.m or an inorganic powder consisted of 50 parts or more by weight of a metal powder having an average particle size of not more than 125 3/4m and less than 50 parts by weight of an inorganic filler other than a metal powder, whose average particle size is smaller than that of the metal powder, based on the total amount of the metal powder and the inorganic filler.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: June 21, 1994
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Toshio Sugimoto, Sadahiko Kawaguchi, Akira Esaki
  • Patent number: 5302683
    Abstract: The present invention relates to a process for preparing coating compositions which comprises condensing a mixture containing (A) at least one silicone resin containing Si-bonded alkoxy groups and, if desired, silanol groups and/or at least one silane and/or siloxane which contains Si-bonded alkoxy groups and, if desired, silanol groups to form a silicone resin, (B) a basic condensation catalyst in an amount sufficient to render this mixture basic, (C) optionally water and (D) optionally an organic solvent.The resultant coating compositions are preferably employed in the form of a solution, emulsion or dispersion.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: April 12, 1994
    Assignee: Wacker-Chemie GmbH
    Inventors: Richard Weidner, Erich Bildl, Volker Frey, Manfred Meisenberger, Reinhardt Mueller
  • Patent number: 5296523
    Abstract: This invention relates to an inorganic colorant, to a paste made from that colorant by dispersing that colorant into a vehicle, and to a water based paint made using either these colorants or pastes. This invention involves an improvement of the dispersibility of the inorganic colorant into a dispersion medium by which that inorganic colorant, having polar groups on its surface, is treated by low temperature plasma polymerization of a substantially non-polar monomer to form a non-polar group on the surface of the inorganic colorant. The inorganic colorants, to which this invention is applied to improve their dispersibility, are of a wide variety of species. According to the invention, due to the great improvement in the dispersibility of the inorganic colorants, the possible range of formulation of inorganic colorant and the dispersion medium is enlarged.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: March 22, 1994
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Toshikatsu Kobayashi, Kenji Kouguchi, Hiroyuki Kageyama
  • Patent number: 5283019
    Abstract: The preparation of porous ceramic bodies by sintering certain curable organopolysiloxanes filled with silicon carbide powders. This process is advantageous in that the green bodies have relative high strengths and thus can be easily handled and, if desired, machined before sintering.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: February 1, 1994
    Assignee: Dow Corning Corporation
    Inventors: William H. Atwell, Chandan K. Saha, Gregg A. Zank
  • Patent number: 5281644
    Abstract: There are disclosed methods and compositions for retarding the ambient temperature hardening of a phenolic resole resin alone or with an aggregate when such resin is contacted with a nitroalkane and a hardening agent such as lightburned magnesium oxide, an organic ester functional hardening agent, and mixtures of lightburned magnesium oxide and an organic ester functional hardening agent in an alkaline medium. There is also disclosed a hardener composition for phenolic resole resins wherein the hardener composition consists essentially of a solution of a nitroalkane in an organic ester functional hardening agent.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: January 25, 1994
    Assignee: Borden, Inc.
    Inventors: S. Raja Iyer, David R. Armbruster, Arthur H. Gerber
  • Patent number: 5280052
    Abstract: A utilitarian and/or decorative object and a method for forming the object fabricated mainly of a plastic material, such as polyester, having a metallic outer face which thereby imparts to this object the appearance and/or hand of a like object made entirely of metal. In this technique, a mixture of a liquid monomer, a curing agent therefor, a dispersion of metal particles and floatable particles are poured into a mold for forming the object. The metal particles are permitted to settle in the mold or the mold is centrifuged to cause the metal particles to migrate toward the outer or lower region of the piece and concentrate in this region before the monomer polymerizes and hardens to bind the particles.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: January 18, 1994
    Assignee: Intaglio Ltd.
    Inventors: Roger Questel, Martin Epstein
  • Patent number: 5280086
    Abstract: Moldable compositions comprising metallic powder and/or ceramic powder, mixed an organic binder are disclosed, which comprises an ether polyamine of the formula (1) and/or a primary amine of the formula (2) : ##STR1## wherein A.sup.1 and A.sup.2 are alkylene groups or aryl-substituted alkylene groups; X.sup.1 is a residue of an active hydrogen atom-containing compound having at least 2 active hydrogen atoms; n is at least 1; m is 2-8; and X.sup.2 is an amino group represented by ##STR2## wherein R.sup.1 and R.sup.2 are hydrogen atom, alkyl groups or groups of the formula : --(A.sup.3 --O).sub.k --R.sup.3, wherein A.sup.3 is an alkylene group, R.sup.3 is hydrogen atom or an alkyl group and k is at least 1; R is hydrogen atom or an alkyl groups containing 1-30 carbon atoms, A is an alkylene group containing 1-4 carbon atoms, and r is an integer of at least 1.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: January 18, 1994
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Kohshi Kawamoto, Tadahiro Osanaga
  • Patent number: 5272199
    Abstract: A ski coating made from sintered PE contains fillers with raised thermal conductivity for improvement of the running characteristics. Additionally, additives are employed which possess melting temperatures in the region between -20.degree. C. and +10.degree. C.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: December 21, 1993
    Assignee: IMS Kunststoff AG
    Inventor: Urs Geissbuhler
  • Patent number: 5262466
    Abstract: A masking composition, which serves to prevent diffusion of one metal into selected areas of a substrate of another metal when said composition is applied to said selected areas, comprises a suspension of a masking powder in an aqueous solution comprising water and water soluble alcohol in which is dissolved polyvinyl alcohol.
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: November 16, 1993
    Assignee: Alloy Surfaces Co. Inc.
    Inventor: Alfonso L. Baldi
  • Patent number: 5250585
    Abstract: A dental material in powder form and being based on(a) aluminum fluorosilicate glass,(b) base metals suitable for dental use, or alloys of these with each other, and optionally(c) dry polycarboxylic acid and/or(d) a chelating agent,which contains at least some of constituent (a) as a sintered mixture with constituent (b).
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: October 5, 1993
    Assignee: ESPE Stiftung & Co. Produktions- und Vertriebs KG
    Inventors: Rainer Guggenberger, Klaus Ellrich, Oswald Gasser, John W. McLean, Owen Makinson
  • Patent number: 5238975
    Abstract: A microwave radiation absorbing adhesive comprises dissipative particles bound in a thermoplastic or thermosetting adhesive The absorbing adhesive may be applied directly to the surface of any object, or to an irregularly shaped object, or into cracks or crevices in or between objects, including conventional absorbers. Several types of dissipative particles and adhesives may be used.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: August 24, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eric J. Johnson, Charles E. Boyer, III, Edmond J. Nielson, Chris A. Minick
  • Patent number: 5236988
    Abstract: An engineering plastic composition with excellent flowability, heat stability, and desirable mechanical properties is provided. The composition contains an engineering plastic material and an aliphatic polyester.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: August 17, 1993
    Assignees: Sekisui Chemical Co., Ltd., Kabushiki Kaisha Sanko Kaihatsu Kagaku Kenkyusho
    Inventors: Kazuo Doyama, Makoto Yamaguchi, Makoto Ohsuga, Akihiro Niki, Toranosuke Saito, Hiroki Tsunomachi, Daishiro Kishimoto
  • Patent number: 5234758
    Abstract: Nonlinear optical composites with large third-order optical response compd of metal clusters uniformly dispersed in polymers are prepared by vapor deposition of a metal onto a cold support while simultaneously cocondensing a vapor of an organic material. Where the organic material is a monomer, it polymerizes either when it comes in contact of the metal and/or when the cold surface is warmed. The unpolymerized monomer is removed to yield a processable composite. When the organic material is a diluent, it deposits as a solid on the cold surface forming a dispersion of the solid metal clusters in the liquid diluent. A polymer solution is then mixed with the dispersion and the composite is formed after removal of the diluent and the solvent for the polymer.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: August 10, 1993
    Assignee: The United States of Americas as represented by the Secretary of the Navy
    Inventors: Allan W. Olsen, Zakya H. Kafafi
  • Patent number: 5232962
    Abstract: An adhesive bonding composition with bond line limiting spacer system includes an adhesive paste composition having a hardenable adhesive component, and a plurality of spacer elements distributed in the adhesive paste composition. The spacer elements are sized to provide a self-limiting bond line thickness between the surfaces to be bonded, the bond line thickness being maintained at a selected lower limit by the spacer elements.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: August 3, 1993
    Assignee: Quantum Materials, Inc.
    Inventors: Stephen M. Dershem, Jose A. Osuna, Jr.
  • Patent number: 5229439
    Abstract: According to the invention a moulding is produced by compression and extrusion at a temperature between 120.degree. and 160.degree. of a mixture of heat-setting resin and at the most 30% related to the total weight of mixture of a filler with a grain size between 50 micrometers and 4 mm. The filler is a mineral filler and/or natural fibres.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: July 20, 1993
    Assignee: L'Oreal
    Inventor: Jean-Louis H. Gueret
  • Patent number: 5204401
    Abstract: There is disclosed a metallic and nonmetallic water borne base coat compositions exhibiting excellent appearance. A method for long term stability and the introduction of aluminum flake pigments into a water borne coating is also disclosed. The method is based on storing the aluminum flake in a solvent environment with introduction of the aluminum flake in to the aqueous environment just before appling the base coat coating. A water reducible acrylic resin with nonionic and acid functionality derived from vinyl monomers having nonionic and urethane functionality has been disclosed that allows for direct introduction of aluminum flake in to an aqueous environment. The coating vehicle is based on acrylic latex vehicle which exhibits excellent drying and film properties. The rheology control agent employed allows for a wetter application of the coating to the substrate. The coating compositions disclosed are also in compliance with current and proposed volatile organic compound regulations.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: April 20, 1993
    Assignee: BASF Corporation
    Inventors: James L. Anderson, Jr., Horst J. Finkenauer, David L. Newton, Jeff P. Jones
  • Patent number: 5196471
    Abstract: Thermal spray powders are characterized by the presence of a matrix-forming component, a solid lubricant component and a plastic component. Abradable coatings formed by thermal spraying the powders abrade readily to form abradable seals. The abradable coatings have a metal, metal alloy, or ceramic matrix with discrete inclusions of solid lubricant and plastic. The thermal spray powders may be prepared as mechanically fused agglomerates.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: March 23, 1993
    Assignee: Sulzer Plasma Technik, Inc.
    Inventors: Subramaniam Rangaswamy, Robert A. Miller
  • Patent number: 5190990
    Abstract: During radiotherapy for malignant conditions, healthy tissues can suffer from radiation damage. Traditional radiation shields designed to protect healthy tissues are prepared by a lengthy, multi-step complex procedure. Materials are described for preparation of a radiation shield for use during radiation therapy, especially therapy of the head and neck, where the material comprises a composite of non-radioactive, non-toxic high atomic density metal or metal alloy spherical particles dispersed in a manually moldable elastomeric material. Custom radiation shields are formulated of this material without the need for use of impressions or molds. Healthy tissues may then be shielded during radiation therapy by positioning the custom-fitted radiation shield in the desired location on the patient's body.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: March 2, 1993
    Assignee: American Dental Association Health Foundation
    Inventor: Frederick Eichmiller
  • Patent number: 5189078
    Abstract: A microwave radiation absorbing adhesive comprises dissipative particles bound in a thermoplastic or thermosetting adhesive. The absorbing adhesive may be applied directly to the surface of any object, or to an irregularly shaped object, or into cracks or crevices in or between objects, including conventional absorbers. Several types of dissipative particles and adhesives may be used.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: February 23, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eric J. Johnson, Charles E. Boyer, III, Edmond J. Nielsen, Chris A. Minick
  • Patent number: 5187220
    Abstract: A flake-containing coating powder is obtained by admixing a coating powder that based upon a thermosetting resin and metallic or non-metalic flake. The powder and flake are mixed at a temperature in the range of above the softening temperature of the thermosetting resin of the coating powder but below the melting temperature of the thermosetting resin and with sufficient mechanical shear to prevent agglomeration of the coating powder particulates. Mixing is for a time sufficient to embed at least about 75% by weight of the flake into the coating powder.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: February 16, 1993
    Assignee: Morton International, Inc.
    Inventors: Douglas S. Richart, Andrew T. Daly
  • Patent number: 5177124
    Abstract: A utilitarian and/or decorative object and a method for forming the object fabricated mainly of a plastic material, such as polyester, having a metallic outer face which thereby imparts to this object the appearance and/or hand of a like object made entirely of metal. In this technique, a mixture of a liquid monomer, a curing agent therefor, a dispersion of metal particles and floatable particles are poured into a mold for forming the object. The metal particles are permitted to settle in the mold or the mold is centrifuged to cause the metal particles to migrate toward the outer or lower region of the piece and concentrate in this region before the monomer polymerizes and hardens to bind the particles.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: January 5, 1993
    Assignee: Intaglio Ltd.
    Inventors: Roger Questel, Martin Epstein
  • Patent number: 5168105
    Abstract: There is disclosed a metallic and nonmetallic water borne base coat compositions exhibiting excellent appearance. A method for long term stability and the introduction of aluminum flake pigments into a water borne coating is also disclosed. The method is based on storing the aluminum flake in a solvent environment with introduction of the aluminum flake in to the aqueous environment just before appling the base coat coating. A water reducible acrylic resin with nonionic and acid functionality has been disclosed that allows for direct introduction of aluminum flake in to an aqueous environment. The coating vehicle is based on acrylic latex vehicle which exhibits excellent drying and film properties. The rheology control agent employed allows for a wetter application of the coating to the substrate. The coating compositions disclosed are also in compliance with current and proposed volatile organic compound regulations.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: December 1, 1992
    Assignee: BASF Corporation
    Inventors: James L. Anderson, Jr., Horst J. Finkenauer, David L. Newton, Jeff P. Jones
  • Patent number: 5166255
    Abstract: There is disclosed a metallic and nonmettalic water borne base coat compositions exhibiting excellent appearance. A method for long term stability and the introduction of aluminum flake pigments into a water borne coating is also disclosed. The method is based on storing the aluminum flake in a solvent environment with introduction of the aluminum flake in to the aqueous environment just before applying the base coat coating. A water reducible acrylic resin with nonionic and acid functionality has been disclosed that allows for direct introduction of aluminum flake in to an aqueous environment. The coating vehicle is based on acrylic latex vehicle which exhibits excellent drying and film properties. The rheology control agent employed allows for a drier application of the coating to the substrate. The coating compositions disclosed are also in compliance with current and proposed volatile organic compound regulations.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: November 24, 1992
    Assignee: BASF Corporation
    Inventors: James L. Anderson, Jr., Horst J. Finkenauer, David L. Newton, Jeff P. Jones, Craig J. McClanahan