Alkali Or Alkaline Earth Metal Oxide Patents (Class 428/471)
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Patent number: 4414351Abstract: A primer composition for use in the fluidized-bed dip-coating of thermoplastic resin powder, comprising a polymeric compound formed by polymerization of a diene compound, admixed with either magnesium oxide alone or magnesium oxide together with cobalt ion and/or manganese ion.Type: GrantFiled: November 5, 1980Date of Patent: November 8, 1983Assignee: Daicel Ltd.Inventors: Hajime Suzuki, Ikuo Masuda, Masaki Kosaka
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Patent number: 4410598Abstract: Steel products may be coated with an insulating composition by a process which involves coating a uniform layer of finely ground glass powder on the steel and burning it at temperatures ranging from 700.degree.-1000.degree. C. Following, a paste comprising a mixture of the afore-mentioned glass, aluminum oxide and an evaporable liquid are deposited upon the burned coating, dried and burned again at 700.degree.-1000.degree. C.The resultant coatings adhere well to steel and resist temperatures as high as 860.degree. C., so suggesting then use for coating steel destined as a substitute for ceramic supports in electronic and hybrid microelectronic applications.Type: GrantFiled: January 20, 1982Date of Patent: October 18, 1983Assignee: Universita KarlovaInventors: Radomir Kuzel, Josef Broukal, Vaclav Bouse
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Patent number: 4401729Abstract: A high-strength ceramic laminated tube comprising an inner tube of ceramic material and at least one outer tube of a metal or ceramic material shrunken onto the inner tube is provided, e.g., a ceramic tube capable of withstanding the mechanical stresses which occur in, e.g., a gun barrel, or in a bearing subjected to great stress.Type: GrantFiled: January 25, 1979Date of Patent: August 30, 1983Inventors: Nils Claussen, Gunter Petzow
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Patent number: 4388116Abstract: Sponge iron pellets are protected against re-oxidation by pre-wetting them with water or steam, coating them with a pulverulent passivating agent which is a mixture of iron oxide particles and hydraulic cement particles, then drying the treated pellets. Especially good results are achieved by using a hydraulic cement such as Portland cement and an iron oxide/cement ratio of 40:60 to 70:30.Type: GrantFiled: August 4, 1981Date of Patent: June 14, 1983Assignee: Hylsa, S.A.Inventors: David H. Carrillo-Cantu, Asdrubal Trevino-Alanis
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Patent number: 4379195Abstract: Improved resistor inks useful in constructing multilayer integrated circuits, particularly on porcelain-coated metal substrates, are provided. The subject inks comprise: a conductive component consisting of stannous oxide and molybdenum trioxide or a mixture of molybdenum trioxide and metallic molybdenum; a glass powder selected from the group consisting of a barium aluminum borate glass and a barium calcium borosilicate glass; and a suitable organic vehicle.Type: GrantFiled: July 6, 1981Date of Patent: April 5, 1983Assignee: RCA CorporationInventors: Ashok N. Prabhu, Kenneth W. Hang
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Patent number: 4376806Abstract: Highly adhesive composites with an active tin alloy are obtained as coating on beryllia by depositing tin with, e.g. vanadium on beryllia, and heating in a carbon monoxide atmosphere of up to 1000.degree. C.Type: GrantFiled: October 27, 1981Date of Patent: March 15, 1983Assignee: Advanced Technology, Inc.Inventors: Josef Intrater, Gene Bertoldo
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Patent number: 4362783Abstract: Polymeric coatings can be applied to substrates such as metal foils by first coating the foil with a wetting hydrosol followed by applying a coupling agent thereto and thereafter coating the substrate with the desired polymer.Type: GrantFiled: August 26, 1980Date of Patent: December 7, 1982Assignee: Western Electric Company, IncorporatedInventor: Lionell Graham
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Patent number: 4361620Abstract: Total heat energy exchange medium incorporated in an energy exchange device for transferring heat and moisture between two airstreams in an air supply system. The exchange medium is aluminum having a coating of hydrated calcium and aluminum oxides or hydroxides to render its heat transfer surfaces capable of exchanging latent as well as sensible heat energy. The coating is formed by exposing precleaned aluminum to a heated, preferably boiling solution of water-soluble calcium and aluminum compounds, preferably equal parts of hydrated calcium nitrate and hydrated aluminum nitrate, the pH of the solution having been brought to the range of from about 7 to 11, preferably pH=8 to 9, by adding sodium hydroxide which produces in the solution a mixed gelatinous precipitate of hydrated calcium and aluminum oxides and hydroxides.Type: GrantFiled: April 20, 1971Date of Patent: November 30, 1982Assignee: Wing Industries, Inc.Inventor: Emerson H. Newton
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Patent number: 4355562Abstract: A new, lightweight armor plating for important installations or control cers is disclosed whereupon being struck by a projectile restricts the ensuing shock wave to a narrow beam-like path always perpendicular to patterns of striation engrained in said armor. This response dissipates the projectile's kinetic energy more rapidly. The new armor is lighter than traditional forms of armor.Type: GrantFiled: March 12, 1980Date of Patent: October 26, 1982Assignee: The United States of America as represented by the Secretary of the NavyInventors: Robert G. S. Sewell, John K. Pringle, Marvin E. Backman, Stephen A. Finnegan
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Patent number: 4352716Abstract: The use of a molybdenum diffusion barrier between a copper layer and a magnesium oxide dry etch mask to obtain and insure adhesion between the two.Type: GrantFiled: December 24, 1980Date of Patent: October 5, 1982Assignee: International Business Machines CorporationInventors: Paul M. Schaible, Geraldine C. Schwartz
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Patent number: 4339484Abstract: A solar energy collector element which comprises a glass tube which is coated on its exterior surface with a solar selective coating, the coating comprising a metal substrate which has a relatively low infra-red emittance and a composite metal film. The composite metal film comprises a metal-carbide which is deposited on the substrate by a reactive sputtering process.Type: GrantFiled: March 3, 1980Date of Patent: July 13, 1982Assignee: University of SydneyInventor: Geoffrey L. Harding
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Patent number: 4322479Abstract: Thixotropic magnesium-containing complexes are prepared by heating a mixture of magnesium hydroxide, magnesium oxide, hydrated magnesium oxide or a magnesium alkoxide; a carboxylic acid, a mixture thereof with a sulfonic or pentavalent phosphorus acid, or an ester or salt of either of these; water (optional under certain conditions); and an organic solubilizing agent (which may be liquid or solid at ambient temperature) for the acid or ester. The amount of magnesium is such as to provide a basic composition. The resulting complexes may be obtained in liquid or solid form, and are useful as additives for lubricants and fuels and as protective coating compositions for metal surfaces (such as automotive undercoats and frame coatings).Type: GrantFiled: September 2, 1980Date of Patent: March 30, 1982Assignee: The Lubrizol CorporationInventor: John W. Forsberg
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Patent number: 4322478Abstract: Thixotropic magnesium-containing complexes are prepared by heating a mixture of magnesium hydroxide, magnesium oxide, hydrated magnesium oxide or a magnesium alkoxide; a sulfonic acid, a pentavalent phosphorus acid, a mixture thereof with a carboxylic acid, or an ester or salt of any of these; water (optional under certain conditions); and an organic solubilizing agent (which may be liquid or solid at ambient temperature) for the acid or ester. The amount of magnesium is such as to provide a basic composition. The resulting complexes may be obtained in liquid or solid form, and are useful as additives for lubricants and fuels and as protective coating compositions for metal surfaces (such as automotive undercoats and frame coatings).Type: GrantFiled: September 2, 1980Date of Patent: March 30, 1982Assignee: The Lubrizol CorporationInventor: John W. Forsberg
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Patent number: 4309485Abstract: An enameled steel plate is disclosed having a linear thermal coefficient of expansion at a temperature between 30.degree. C. and 500.degree. C. within the range of from 100.times.10.sup.-7 to 190.times.10.sup.-7 /.degree. C. and covered with phosphate glass or crystallized glass consisting essentially of from 40 to 75 mol % component X, from 20 to 55 mol % component Y, and from 0.1 to 10 mol % component Z, whereinComponent X is P.sub.2 O.sub.5 ;Component Y is selected from ZnO, K.sub.2 O, B.sub.2 O.sub.3 and Al.sub.2 O.sub.3 in an amount of up to 20 mol % and CaO and BaO in an amount of up to 55 mol %; andComponent Z is selected from SrO, Ta.sub.2 O.sub.5, La.sub.2 O.sub.3, CeO.sub.2, and Nb.sub.2 O.sub.5.The product has improved water resistance and chemical durability especially in high temperature and high humidity environment, and therefore, is suitable for use in thick film hybrid integrated circuits employed in automobiles.Type: GrantFiled: February 24, 1981Date of Patent: January 5, 1982Assignee: NGK Spark Plug Co., Ltd.Inventors: Kazuo Kondo, Akio Takami
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Patent number: 4299876Abstract: A solderable conductor pattern is formed on a ceramic substrate. The material of the conductor pattern is made by dispersing gold and certain inorganic binders in an inert liquid vehicle composition. Limited variations in the ranges of the amounts of the material in the composition particularly the range in the amount of copper oxide in the binder produce good adhesion of the pattern to fired substrates and simultaneously provide strong solder joints between leads of electronic devices soldered with a lead-indium solder to pads of a pattern of such material after the pattern has been fired on a substrate without the necessity for physically or chemically cleaning the pads. The binders of the material comprise certain amounts of the crystalline materials, copper in the form of its oxides CuO or Cu.sub.2 O, cadmium in the form of CdO, lead in the form of PbF.sub.2, and the balance being a glass which also contains lead and some cadmium.Type: GrantFiled: June 13, 1980Date of Patent: November 10, 1981Assignee: Honeywell Information Systems Inc.Inventors: Donald Neuhoff, Arthur H. Mones, Kit M. Lam
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Patent number: 4278718Abstract: Composition and method for sealing containers containing vegetable based beverages, i.e. beer, ale, wine, fruit and vegetable juices.Type: GrantFiled: January 11, 1980Date of Patent: July 14, 1981Assignee: W. R. Grace & Co.Inventors: Charles A. Billings, Robert H. Hofeldt
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Patent number: 4277530Abstract: A laminated article for electrical applications is disclosed which comprises at least two sheets of electrically isolated electrical steel each having a thickness of less than 0.020 inch, and an adhesive between adjacent sheets bonding the adjacent sheets to one another without creating significant compressive stress in the plane of the sheets. The adhesive is characterized by substantially instantaneous bonding at a temperature less than 750.degree. F.Type: GrantFiled: September 10, 1979Date of Patent: July 7, 1981Assignee: Allegheny Ludlum Steel CorporationInventor: Robert F. Miller
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Patent number: 4277542Abstract: Resistance material consisting of a mixture of metal oxidic compounds, metal oxides, a permanent binder and a temporary binder, the resistance-determining component consisting of barium-rhodate BaRh.sub.6 O.sub.12. This component has a linear positive temperature coefficient of the resistance (TCR) and enables the production of a resistor having a very low TCR by combining the material with a material having a negative TCR. The resistor is obtained by firing this resistance material after it has been applied onto a substrate.Type: GrantFiled: September 12, 1979Date of Patent: July 7, 1981Assignee: U.S. Philips CorporationInventors: Alexander H. Boonstra, Cornelis A. H. A. Mutsaers, Franciscus N. G. R. van der Kruijs
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Patent number: 4269903Abstract: An abradable ceramic seal coating on at least one of a pair of members having relative rotational movement, the coating being formed of stabilized zirconia which is codeposited with a thermally decomposable organic powder, the codeposited layer being heated to decompose the organic filler and produce a porous coating of from about 20 to about 33% voids.Type: GrantFiled: September 6, 1979Date of Patent: May 26, 1981Assignee: General Motors CorporationInventors: David L. Clingman, John R. Cavanagh, Berton Schechter, Kenneth R. Cross
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Patent number: 4268579Abstract: A primer composition for use in the fluidized-bed dipcoating of thermoplastic resin powder, comprising a polymeric compound formed by polymerization of a diene compound, admixed with either magnesium oxide alone or magnesium oxide together with cobalt ion and/or manganese ion.Type: GrantFiled: December 20, 1978Date of Patent: May 19, 1981Assignee: Daicel Ltd.Inventors: Hajime Suzuki, Ikuo Masuda, Masaki Kosaka
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Patent number: 4260663Abstract: Only those dielectrics which have a correspondingly low sintering temperature are suitable for the production of ceramic multi-layer capacitors having intermediate electrodes consisting of non-noble metals, such as nickel and cobalt. Suitable are ceramic masses comprising alkaline earth zirconates, wherein up to 10 mole % of the zirconium may have been replaced by titanium; iron or nickel or manganese being added as doping agents to the stoichiometrical perowskite basic compound having a composition of alkaline earth metal (Zr.sub.1-x Ti.sub.x)O.sub.3 where O<x.ltoreq.0.07 and the whole assembly being sintered in a reducing atmosphere.Type: GrantFiled: June 4, 1979Date of Patent: April 7, 1981Assignee: U.S. Philips CorporationInventors: Hans J. Hagemann, Siegfried Hunten
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Patent number: 4255495Abstract: The object of the invention is to provide a thermal barrier coating system for protecting metal surfaces at high temperature in normally corrosive environments.The thermal barrier coating system includes a metal alloy bond coating, the alloy containing nickel, cobalt, iron, or a combination of these metals. The system further includes a corrosion resistant thermal barrier oxide coating containing at least one alkaline earth silicate.The preferred oxides are calcium silicate, barium silicate, magnesium silicate, or combinations of these silicates.Type: GrantFiled: October 31, 1979Date of Patent: March 10, 1981Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Stanley R. Levine, Robert A. Miller, Philip E. Hodge
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Patent number: 4254167Abstract: A process for treating sponge iron to protect it against reoxidation and/or corrosion during storage and transit comprising the steps of tumbling sponge iron which is in particle form with a pre-prepared blend of caustic lime powder and an adhesion promoting additive selected from the group consisting of iron oxide or mixtures thereof with iron to produce a coated product, the blend containing 1 to 20% by weight iron oxide; and then moistening the coated product with an amount of water less than the amount of water required for complete hydration of the caustic lime.Type: GrantFiled: July 14, 1978Date of Patent: March 3, 1981Assignee: Vereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan AktiengesellshaftInventors: Horst Sulzbacher, Kurt Stift, Gunther Saiger
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Patent number: 4215180Abstract: An oxide-coated cathode for electron tubes which comprises a base metal plate made of an alloy comprising nickel as a main component and 2% by weight or more of at least one high-melting point metal, an oxide layer coated on the base metal plate comprising at least one oxide of a reducing element, a carbon coating layer coated on the oxide layer, and an alkaline earth oxide layer capable of emitting electrons coated on the carbon coating layer can maintain electron emitting life for a long period of time due to the prevention of interfacial reaction between the base metal plate and the alkaline earth oxide layer by the oxide layer and the carbon coating layer.Type: GrantFiled: January 18, 1979Date of Patent: July 29, 1980Assignee: Hitachi, Ltd.Inventors: Akira Misumi, Yukio Suzuki, Kazuo Sunahara
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Patent number: 4170688Abstract: The invention disclosed provides a new improved metallic support member and process for bonding the metallic support member to a glass surface by means of an intermediate vitreous coating.Type: GrantFiled: July 6, 1978Date of Patent: October 9, 1979Assignee: Saint-Gobain IndustriesInventors: Paul Roentgen, Hubert Simons, Werner Nuding
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Patent number: 4142738Abstract: A base sheet for printing with reactive dyes is provided which has applied on at least one of its surfaces a reactive pigment coating which contains as pigment a mixture of a highly absorbent pigment and a sparingly absorbent pigment and which contains as binder an intimate mixture of a binder which is readily soluble in alcohols with a binder which is resistant to solvents. The base sheet is used as receptive sheet especially in transfer printing processes and permits technically improved operation with reactive dyes.Type: GrantFiled: February 2, 1977Date of Patent: March 6, 1979Assignee: C. F. Wachendorff GmbHInventor: Wilfried Steinbach
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Patent number: 4135038Abstract: A seal structure consisting of a ceramic base and a low-expansion metallic material bonded by a low-melting glass particularly useful for large scale integrated circuit (LSI) applications is disclosed. When using a high alumina ceramics containing 65 to 92% of Al.sub.2 O.sub.3 by weight as a ceramic, the thermal coefficients of expansion are best matched while maintaining a comparatively low dielectric constant by using a composition consisting of 60 to 85% lead borate glass, 10 to 30% .beta.-eucryptite and 0.5 to 15% zircon as a low-melting sealing glass.Type: GrantFiled: December 20, 1977Date of Patent: January 16, 1979Assignee: NGK Spark Plug Co., Ltd.Inventors: Akio Takami, Kazuo Kondo, Kazutoshi Tanaka
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Patent number: 4123590Abstract: A dry writing board possessing an anti-halation effect which comprises a metallic plate having a ground coat fire-coated with a glaze comprising an acid component and a base component, the composition of the glaze being 30 to 45% of silicon oxide, 15 to 25% of titanium oxide, 5 to 10% of sodium oxide, 5 to 15% of potassium oxide, 1 to 5% of calcium oxide, 2 to 5% of aluminum oxide and 10 to 20% of boron trioxide, all percentages being by weight.Type: GrantFiled: December 23, 1975Date of Patent: October 31, 1978Assignee: Pilot Man-Nen-hitsu Kabushiki KaishaInventors: Tetuya Hasegawa, Akihiro Itishasi
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Patent number: 4110512Abstract: Low friction material particularly adapted for use at high temperatures in the regenerator portion of gas turbine engines, the material comprising a work surface layer on a substrate, the work surface layer prior to a break-in period comprising an iron oxide (wustite--FeO, magnetite--Fe.sub.3 O.sub.4, or hematite--Fe.sub.2 O.sub.3) matrix containing an interspersed trapping material in the interstices thereof, the trapping material comprising an inorganic compound such as a salt or oxide; and subsequent to the break-in period, the work surface layer acquires a substantially continuous film of hematite--Fe.sub.2 O.sub.3 iron oxide in which the hexagonal Fe.sub.2 O.sub.3 crystals or cells provide a highly oriented structure. Transfer of the oriented film to the mating surface occurs during run-in.Type: GrantFiled: December 27, 1971Date of Patent: August 29, 1978Assignee: Chrysler CorporationInventors: Amedee Roy, Claude Belleau, James M. Geyman
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Patent number: 4096001Abstract: A relatively thin coat of calcium metaborate is electrolytically-applied directly to the surface of a boron-containing electrical steel and a substantially thicker overcoat of Mg(OH).sub.2 is electrolytically-deposited on the calcium metaborate coating to provide a duplex coating about 0.2 mil thick.Type: GrantFiled: March 7, 1977Date of Patent: June 20, 1978Assignee: General Electric CompanyInventors: Ronald H. Arendt, Matthew J. Curran
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Patent number: 4087582Abstract: A magnetic recording medium comprising a support, a magnetic recording layer comprising a thin film of a ferromagnetic metal on the support, and at least one monomolecular layer comprising a saturated fatty acid or a metal salt thereof on the surface of the magnetic recording layer.Type: GrantFiled: November 4, 1974Date of Patent: May 2, 1978Assignee: Fuji Photo Film Co., Ltd.Inventors: Ryuji Shirahata, Tatsuji Kitamoto
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Patent number: 4053864Abstract: A PTCR thermistor has a doped barium titanate body, and two base metal lead wires being bonded to and ohmically connected to two separate surface regions of the body by means of two conductive electrodes, respectively. The electrodes are comprised of aluminum particles being bound within a matrix of a lead borate glass. The glass amounts to from 20 to 60% by weight. The simple method of making the thermistor may include the selective application of heat to the electrode regions to avoid oxidizing the base metal leads. These thermistors are capable of undergoing many self-heating switching operations in service without deterioration of the lead to body connections.Type: GrantFiled: December 20, 1976Date of Patent: October 11, 1977Assignee: Sprague Electric CompanyInventors: George H. Rodriguez, John P. Maher
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Patent number: 4037014Abstract: A layer of electrically insulating material is coated on a reflector. Granular semiconductor particles are uniformly dispersed in the layer of electrically insulating material. The combination forms an efficient absorber for high temperature photothermal conversion of solar energy.Type: GrantFiled: October 21, 1975Date of Patent: July 19, 1977Assignee: RCA CorporationInventor: Jonathan Isaac Gittleman
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Patent number: 4037019Abstract: Acidic hydrosols are provided for forming an electrically insulating and corrosion resistant coating on a substrate which consumes a minor quantity of acid from said hydrosol, said substrate being selected from the group consisting of metals higher than hydrogen in the electromotive series, porcelain, glass, wood, paper, cotton, plastics and hydrateable oxides.The hydrosols of this invention are formed by admixing water, an acid such as phosphoric acid, or nitric acid, or hydrochloric acid or acetic acid or mixtures thereof, a metal silicate or hydrous magnesium silicate, and optionally, a magnesium compound and a boron compound. A significant feature of the present hydrosols is their water-white clarity and resistance to deterioration or decompositin for at least 15-20 minutes, and their ability to deposit a substantially uniform coating virtually instantaneously upon said substrates when placed in contact therewith.Type: GrantFiled: October 24, 1975Date of Patent: July 19, 1977Assignee: Morton-Norwich Products, Inc.Inventor: John F. Steger
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Patent number: 4004057Abstract: This invention relates to dispersions of gold and a certain inorganic binder in an inert liquid vehicle, useful in the electronics art for producing conductor patterns adherent to substrates. Small amounts of the binder are effective in producing excellent adhesion to substrates, such as ceramic substrates. The binders comprise certain amounts of the crystalline materials PbF.sub.2, Cu.sub.2 O, and CdO, in addition to a glass of, by weight, 45-52% PbO, 3-6% B.sub.2 O.sub.3, 30-35% SiO.sub.2, 4-6% TiO.sub.2, 2-4% ZrO.sub.2, 0-1% ZnO, 1-4% Na.sub.2 O, 0-4% CdO, and 0-2% Li.sub.2 O.Type: GrantFiled: March 12, 1976Date of Patent: January 18, 1977Assignee: E. I. DuPont de Nemours and CompanyInventors: Lewis Charles Hoffman, Charles William McMunn, Arthur Harvey Mones, Oliver Alton Short
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Patent number: 3978272Abstract: Multiple layer films of silver-silver oxide and metal oxide are produced on transparent substrates for purposes of solar energy control and production of architectural colors. Solar control properties and the transmitted and reflected colors of the article can be altered by varying the thicknesses of the films and/or the selection of metal oxide overcoat.The article produced can be used in a viewing closure and as a component in a solar energy collection system.Type: GrantFiled: March 13, 1974Date of Patent: August 31, 1976Assignee: PPG Industries, Inc.Inventor: Harold E. Donley
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Patent number: 3953654Abstract: An alloy composed of nickel, boron and phosphorus that does not change substantially in magnetic properties, hardness or resistivity, with substantial changes in temperature.Type: GrantFiled: December 10, 1974Date of Patent: April 27, 1976Assignee: RCA CorporationInventor: Nathan Feldstein
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Patent number: 3936583Abstract: A method of protecting an article having at least a surface layer of an alloy of iron and/or nickel which contains at least 1 per cent of chromium, against high temperature oxidation, by contacting the article with a solution or a suspension of a borate and/or a phosphate in a volatile polar organic solvent so that, after removal of the solvent, a film weighing at least 3 .mu. g / cm.sup.2 of the borate and/or phosphate material is deposited on the surface of the article.Type: GrantFiled: October 25, 1973Date of Patent: February 3, 1976Assignee: Secretary of State for Trade & Industry in Her Britannic Majesty's Govt. of U.K. of Gt. Britain & Northern IrelandInventors: Geoffrey Oliver Lloyd, John Ernest Rhoades-Brown, Stuart Richard John Saunders
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Patent number: 3930905Abstract: A steel object, such as sheet and strip for motors, is provided with a heat-resistant, electrically insulating coating in the form of a layer of calcium titanate. An intermediate layer of silicate may be provided between the steel surface of the object and the layer of titanate. The intermediate layer is preferably a silicate of one or more alkaline earth metals or of aluminum, and especially a silicate of magnesium.The coating of calcium titanate may also contain a vanadium compound. Likewise, a layer of phosphate may be provided on the outside of the layer of titanate.Type: GrantFiled: October 11, 1973Date of Patent: January 6, 1976Assignee: Allmanna Svenska Elektriska AktiebolagetInventor: Carl-Artur Akerblom
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Patent number: RE31437Abstract: .[.Resistance material consisting of a mixture of metal oxidic compounds, metal oxides, a permanent binder and a temporary binder, the resistance-determining component consisting of barium-rhodate BaRh.sub.6 O.sub.12..]. .Iadd.Resistance material consisting essentially of a mixture of a permanent binder, a temporary binder and, as a resistance determining component, a barium-rhodate of the formula BaRh.sub.6 O.sub.12. .Iaddend.This component has a linear positive temperature coefficient of the resistance (TCR) and enables the production of a resistor having a very low TCR by combining the material with a material having a negative TCR. The resistor is obtained by firing this resistance material after it has been applied onto a substrate.Type: GrantFiled: July 16, 1982Date of Patent: November 1, 1983Assignee: U.S. Philips CorporationInventors: Alexander H. Boonstra, Cornelis A. H. A. Mutsaers, Franciscus N. G. R. van der Kruijs