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| Number | Title | Issue Date |
| 4495008 | Process of making long-life thin metal plate for automobile bodies, and thin plate made thereby Thin metal plate is cleaned and electrolytically pickled in an acid solution. A zinc layer is electrodeposited on one face of the plate, after which a chrome-chromic oxide coating is deposited on both faces of the plate from a sulphuric acid solution cont... | 01/22/1985 |
| 4495254 | Protectively-coated gold-plated article of jewelry or wristwatch component The surface of a metal article which is exposed to the atmosphere and abrasion during normal use of the article is protected from scratches and/or corrosion during such use by a thin transparent abrasion-resistant film of an inert non-metallic material su... | 01/22/1985 |
| 4490191 | Coated product and process Improved adherence of oxide wear layers on hard metal or cemented carbide substrates is obtained by providing a thin surface-oxidized bonding layer comprising a carbide or oxycarbide of at least one of tantalum, niobium or vanadium, optionally adding alum... | 12/25/1984 |
| 4485151 | Thermal barrier coating system This invention relates to a high temperature oxidation resistant thermal barrier coating system for a nickel-, cobalt-, or iron-base alloy substrate. An inner metal bond coating contacts the substrate, and a thermal barrier coating covers the bond coating... | 11/27/1984 |
| 4485150 | Metal ceramics composites and a method for producing said composites Metal ceramics composites having high bonding strength wherein a metal body and a ceramics body are bonded through a bonding layer are produced by coating on the ceramic body a metallizing layer-forming composition, which forms through heat treatment with the ... | 11/27/1984 |
| 4478651 | Protective film on Cu-Sn alloys A heat treatment for providing copper-tin alloys with a substantially continuous tin-phosphorous-oxide protective layer that improves the appearance and the tarnish resistance of the alloys is disclosed. The heat treatment comprises heating the alloys in ... | 10/23/1984 |
| 4417097 | High temperature, corrosion resistant coating and lead for electrical current A low porosity coating comprised of at least two layers of material or composites capable of protecting a metal substrate from the corrosive effects of a chlorine-metal chloride environment at temperature values ranging up to 650° C. The first of the two... | 11/22/1983 |
| 4401729 | High-strength ceramic laminated tube and the production and use thereof 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 w... | 08/30/1983 |
| 4399199 | Protective layer This invention relates to means for protecting substrates and in particular Ni- and Co-base superalloys from high temperatures, for example temperatures such as typically occur in gas turbine engines. In more detail an article suitable for use all elevated tem... | 08/16/1983 |
| 4335190 | Thermal barrier coating system having improved adhesion This invention is directed to an improved thermal barrier system by improving the adherence between a ceramic thermal barrier coating and a metal bond coating. First a primer film is deposited on the bond coat by ion sputtering a ceramic film thereon. A c... | 06/15/1982 |
| 4328285 | Method of coating a superalloy substrate, coating compositions, and composites obtained therefrom A method is provided for improving the corrosion resistance of superalloy substrates, such as gas turbine blades, by initially coating the superalloy with an intermediate bonding alloy, followed by plasma spraying the resulting treated surface with cerium... | 05/04/1982 |
| 4321310 | Columnar grain ceramic thermal barrier coatings on polished substrates A coated article and method for producing the coated article are described. The article is coated with a system which provides protection against oxidation and corrosion and which significantly reduces the substrate temperature. An MCrAlY layer is applied... | 03/23/1982 |
| 4321311 | Columnar grain ceramic thermal barrier coatings A coated article and method for producing the coated article are described. The article is coated with a system which provides protection against oxidation and corrosion and which significantly reduces the substrate temperature. An MCrAlY layer is applied... | 03/23/1982 |
| 4313760 | Superalloy coating composition Coatings for iron-, nickel- and cobalt-base superalloys. The coatings are applied in order to provide good oxidation/sulfidation and thermal fatigue resistance for the substrates to which the coatings are applied. The coatings consist essentially of, by w... | 02/02/1982 |
| 4307156 | Magnetic record member An improved magnetic record member having a nonmagnetic disk base with a mirrored surface, a magnetic-metal thin-film medium formed on the disk base; an intermediate layer composed of an oxide of a magnetic metal, a chromium oxide, or a phosphate formed o... | 12/22/1981 |
| 4282981 | Bright welded seam can of tinplate Disclosed is a bright welded seam can of tinplate having a side seam formed by welding, wherein each of the inner and outer surfaces of the side seam has an outermost surface layer having a thickness of 50 to 400 A and being composed of oxides and a subse... | 08/11/1981 |
| 4269903 | Abradable ceramic seal and method of making same 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 heat... | 05/26/1981 |
| 4260665 | Electron tube cathode and method for producing the same An electron tube cathode in such a structure comprising a Ni-W-Zr alloy (W content: 20-28 wt. %) having a grain size of 4-10 μm as a base metal, a 1,000-2,000 A-thick Pt film provided on the surface of the base metal, and an electron emitting material la... | 04/07/1981 |
| 4248940 | Thermal barrier coating for nickel and cobalt base super alloys Adherent, thermal shock-resistant protective coatings for nickel base super alloys are obtained by applying to the base metal a thin bond coat of an alloy of chromium aluminum and yttrium with materials selected from the group consisting of iron, cobalt, ... | 02/03/1981 |
| 4215180 | Oxide-coated cathodes for electron tubes 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 comprisin... | 07/29/1980 |
| 4211210 | High temperature solar absorber coating and method of applying same Improved coatings for high temperature solar collectors comprise thermally stable inorganic oxides selected from ferrites, metal oxides and mixtures thereof having solar absorptances greater than 0.9 at wavelengths ranging from about 0.35 to 3.0 microns. ... | 07/08/1980 |
| 4197957 | Vacuum tight assembly A vacuum-tight assembly such as a discharge tube for a metal vapor arc lamp is formed from a transparent or translucent ceramic composition sealed with a member formed from a vanadium-zirconium alloy or vanadium utilizing a brazing alloy. The vanadium or ... | 04/15/1980 |
| 4162350 | Magnetic record member The thin film magnetic medium of a magnetic disc, and the read/record head employed with the disc are both protected from abusive use and physical damage as well as chemical damage (including damage due to heat and/or humidity) by a polysilicate layer, fo... | 07/24/1979 |
| 4160708 | Coated silicon-iron product and process therefor using calcium formate A relatively thin coat of calcium metaborate is electrolytically-applied from a solution of calcium formate with boric acid directly to the surface of a boron-containing electrical steel and a substantially thicker overcoat of Mg(OH)2 is electr... | 07/10/1979 |
| 4154897 | Chemical apparatus free from crevice corrosion This invention relates to a novel chemical apparatus, the inner surfaces of which are constituted by titanium material. The invention solves the problems of crevice corrosion and embrittlement of the material by taking in hydrogen, and discloses a method ... | 05/15/1979 |
| 4153518 | Method of making a metalized substrate having a thin film barrier layer A method of fabricating a hybrid circuit including a siliceous substrate and thick metal conductors. A thin film barrier layer is provided intermediate the substrate and a vacuum-deposited metal layer, which metal layer is subsequently electroplated to pr... | 05/08/1979 |
| 4108736 | Method of producing protective coatings The invention relates to a method for forming surface coatings on a substrate by anodic oxidation, wherein the substrate contains, at least in those of its parts which are immediately sub-adjacent to its surface, at least one element selected from niobium... | 08/22/1978 |
| 4098956 | Spectrally selective solar absorbers Thin film absorber stacks consisting of an absorptive film of titanium, zirconium or hafnium suboxide, subcarbide or subnitride superposed on a reflective film of silver, aluminum or copper display spectrally selective characteristics. The absorptive film... | 07/04/1978 |
| 4096001 | Boron-containing electrical steel having a calcium borate coating and magnesia overcoating, and process therefor 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)2 is electrolytically-deposited on the calcium metaborate coat... | 06/20/1978 |
| 4095003 | Duplex coating for thermal and corrosion protection A duplex coating and method for making same wherein a primary layer of metals or metal alloys is deposited on a superalloy substrate to seal the substrate against oxidation. A second layer of low density oxide is deposited on the surface of the primary la... | 06/13/1978 |
| 4082900 | Chemical apparatus free from crevice corrosion The invention relates to a novel chemical apparatus, the inner surfaces of which are constituted by titanium material. The invention solves the problems of crevice corrosion and embrittlement of the material by taking in hydrogen, and discloses a method o... | 04/04/1978 |
| 4074016 | Magnetic record carrier A record carrier for a magnetic thin film metal layer includes a substrate coated with a pigmented epoxy resin as a synthetic substance layer. The pigment includes approximately 20% titanium dioxide and approximately 2% aluminum oxide. A thin getter metal... | 02/14/1978 |
| 4055705 | Thermal barrier coating system A coating system which contains a bond coating and a thermal barrier coating is applied to metal surfaces such as turbine blades and which provides both low thermal conductivity and improved adherence when exposed to high temperature gases or liquids. The... | 10/25/1977 |
| 3975165 | Graded metal-to-ceramic structure for high temperature abradable seal applications and a method of producing said Abradable seal composite structure having a porous, abradable ceramic surface layer which is resistant to high temperature oxidation and a metallic bottom layer capable of being bonded to a metallic substrate, with at least two intermediate layers consist... | 08/17/1976 |
| 3973920 | Magnetic recording medium This invention relates to a magnetic recording medium, which comprises a first protective plating layer consisting of at least one selected from the group consisting of rhenium, osmium, ruthenium, chromium, rhodium and mixtures thereof, provided on a ferr... | 08/10/1976 |
| 3971120 | Direct-on ceramic coating of carbon-rich iron A process is disclosed for preparing an iron workpiece containing at least 0.03% by weight carbon for a direct-on, one-fire ceramic or enamel coat. A substantially continuous layer of substantially pure iron is pressure-bonded onto a surface of the carbon... | 07/27/1976 |
