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| Number | Title | Issue Date |
| 3978271 | Thin metallic nickel-silver films by chemical replacement Thin films containing metallic silver and nickel are deposited on transparent articles according to the method of the present invention. A nickel-coated glass article having a reflective gray appearance is contacted with a solution comprising water, a sil... | 08/31/1976 |
| 3978252 | Method of improving the adhesion between a molded resin substrate and a metal film deposited thereon An improvement is obtained in the bond strength between members of a laminate comprising a plastic substrate and a metal film through a process of first laminating to the plastic substrate a thin, sacrificial, anodized metal foil by heat and pressure, che... | 08/31/1976 |
| 3975249 | Aromatic polymers of increased resistance to flow and molecular weight obtained by irradiation Aromatic polymers of increased resistance to flow and molecular weight are obtained by irradiation using ଲ-rays or γ-rays at temperatures up to 400°C of an aromatic polymer whose molecular chains comprise benzenoid groups and bivalent linking grou... | 08/17/1976 |
| 3974323 | Metal article having protective thin film coating and method of applying Amino compounds are applied to steel and aluminum by direct application and lso from solution, and then subjected to ultraviolet radiation to produce photooxidative polymerization of the coating on the surface of the metal. Adherent thin film polymers are ... | 08/10/1976 |
| 3973059 | Method of making metal flocked fabric A method of making a flocked fabric wherein metal flock fibers are secured to a base. The fibers may be secured as by adhesive, metal fusion bonding, etc. The flock fibers may be metal fusion bonded to each other, may be maintained in spaced relationship,... | 08/03/1976 |
| 3969130 | Carbon-coated articles and method of making same A pyrolytic carbon-coated article having improved wear resistance as a result of providing a thin wear-resistant layer just below the outer surface. The layer contains an alloy of pyrolytic carbon and a metal or metalloid carbide and is made by changing t... | 07/13/1976 |
| 3969131 | Coated graphite members and process for producing the same Composite members comprising a substrate of fine grained istropic graphite having a density of at least about 1.75 gr/cc, a coefficient of thermal expansion of from about 7.5 to 8.3 inch per inch per °C×10-.sup.6, in which the grains are of a... | 07/13/1976 |
| 3968313 | Surface treatment Treatment of metals, and other surfaces, with dilute colloidal slightly acidic dispersion of silica and tannin. The treating composition is removed from the metal surface before forming any deposit of silica visible to the naked eye. The metals become res... | 07/06/1976 |
| 3967044 | Copper coatings on shaped plastic supports This invention relates to an improvement in the process for the production of a copper coating on a shaped plastic support in which copper is vapor-deposited in a high vacuum on the surface of the plastic support, the improvement comprising coating said s... | 06/29/1976 |
| 3965285 | Electrically conductive object having an ablative layer thereon for protecting the same from damage by an electrical discharge A process and structure are described for protecting objects from the damaging effects of electrical discharges by employing a coating of a conductive, ablative material such as graphite. Upon occurrence of an intense electrical discharge to this material... | 06/22/1976 |
| 3965047 | Electrical resistant fluid-permeable heat generating member and method of producing the same A fluid-permeable electrically energized heat generating member of a desired shape, such as a rectangular brick, is formed by (1) mixing (a) about 87 to 94 percent by weight of a first material which contains about 80 to 95 percent by weight of SiC and ab... | 06/22/1976 |
| 3963451 | Method of forming a high-temperature abrasion-resistant coating on a ferrous metal substrate, and resulting article A method of forming a high-temperature abrasion-resistant hard facing or coating on a ferrous metal substrate by employing an aluminothermic reduction reaction. The resultant article has a hard facing layer containing from 2 to 8 percent boron. Hard faced... | 06/15/1976 |
| 3962521 | Poly(ether-urethane) coating cured with an aminoplast on a solid substrate Cured coatings having a high degree of extensibility and other desirable properties are obtained from compositions comprising a hydroxyl-containing, urethane reaction product containing a polyether component and an amine-aldehyde resin. Preferred composit... | 06/08/1976 |
| 3962522 | Poly(esterurethane) coating cured with an aminoplast on a solid substrate Cured coatings having a high degree of extensibility and other desirable properties are obtained from compositions comprising a hydroxyl-containing, urethane reaction product containing a polyester component and an amine-aldehyde resin. Preferred composit... | 06/08/1976 |
| 3959557 | Wear-resistant, nonabrading tic article and process for making A wear-resistant, nonabrasive metal article, such as a thread guide, comprising a plain carbon steel substrate with a thin, dense, continuous coating of titanium nitride, having a thickness of about 1 to 5 microns, chemically vapor deposited at reduced pr... | 05/25/1976 |
| 3959527 | Flat costume jewelry and method for the surface treatment thereof Costume jewelry is manufactured through photofabrication processes from flat metal sheets to form items such as earrings and small pendants. A standard photo-fabrication operation includes covering a metal sheet with a layer of photosensitive, chemically ... | 05/25/1976 |
| 3958070 | Decorative metallic articles with differently colored surface zones A novel material is disclosed that is useful for the manufacture of durable metal articles which have differently colored surface zones.... | 05/18/1976 |
| 3958071 | Electrical resistor and method of producing same A resistor comprising a layer of material disposed on a substrate which layer contains a metal component which can be either a pure metal or a metal alloy and which has carbon inserted therein to vary the specific resistance and the temperature coefficien... | 05/18/1976 |
| 3956266 | Bis-(benzimidazolone-azo-acetoacetylamino)-phenylene pigments New diazo pigments of the formula ##EQU1## wherein A denotes a phenylene or naphthylene radical and R denotes an aromatic radical containing a --CONH-- group bonded in a cyclic structure are prepared. The pigments are useful for coloring high-molecul... | 05/11/1976 |
| 3956091 | Method of electrodepositing Water-dispersed coating compositions which can be applied by electrodeposition contain an at least partially-neutralized acrylic interpolymer, an amine-aldehyde condensation product, and a methylol phenol ether composition of the formula: ##SPC1## Wh... | 05/11/1976 |
| 3956568 | Carbon-metal composite material A process for the preparation of a carbon-metal composite material for mechanical sliding members, comprising impregnating a carbon substrate with an alloy comprising copper, nickel or a copper-nickel as a base metal and at least one of titanium, zirconiu... | 05/11/1976 |
| 3954906 | Ambipolar photoconductive composition Ambipolar photoconductive composition comprising the product of the in situ polymerization of at least one cyclic compound of the formula: ##EQU1## wherein Ar is a polyaromatic nucleus selected from the group consisting of diradicals of naphthalene, ... | 05/04/1976 |
| 3955039 | Aluminum tantalum layers for electronic devices Al-Ta alloy films containing 2 to 20 atomic % of Ta in Al exhibit an improved temperature stability. An Al-alloy film containing 7 atomic % of Ta has a resistivity of 60μΩ cm, a temperature coefficient of resistance of +100 ppm°/K and a sparking potent... | 05/04/1976 |
| 3955038 | Hard metal body A sintered hard metal body is provided with a thin wear-resistant surface coating consisting of an outer layer of ceramic oxide and an intermediate layer of carbide or/and nitride.... | 05/04/1976 |
| 3949139 | Laminar reflective platelets and compositions and articles comprising them Laminar reflective platelets are made by coating a first synthetic resin lamina on a carrier web and providing release means such as a release coat to provide for release of the lamina. A metallic lamina is coated onto the synthetic resin lamina by vapor ... | 04/06/1976 |
| 3944709 | Surface modification by electrical discharge in a mixture of gases The characteristics of the surface of an article may be modified, e.g., in respect to adhesion, wettability or other physical characteristics, by exposing the surface to an electrical discharge in a mixture of certain gases. The practice of this invention... | 03/16/1976 |
| 3942672 | Polyurethane composition and method of preparation A polyurethane composition, resistant to sulfuric acid, prepared by reacting 2,2'-diaminodisulfide with an isocyanate-terminated prepolymer, itself prepared by reacting, in the presence of a 2,6-dialkylated para cresol, at least one polymeric polyol with ... | 03/09/1976 |
| 3941910 | Oil-coated metal sheet An oil-coated metal sheet coated with a surface coating oil in an amount of from 0.05 - 1.0 g/B.B., said surface coating oil comprising diisodecyl phthalate and 0.1 -5% of one or more of a fatty acid having 14-18 carbon atoms.... | 03/02/1976 |
| 3940246 | Sublimation transfer and isocyanate fixation of amino- or hydroxy-containing dyestuffs and transfer sheets therefor The invention relates to a process for the manufacture of prints which are fast to wet processings and sublimation on textile or non-textile sheets by means of the transfer printing process, wherein dyestuffs containing mercapto, hydroxyl and/or amino gro... | 02/24/1976 |
| 3939024 | Structural reinforced thermoplastic laminates and method for using such laminates Structural reinforced thermoplastic laminates capable of supporting loads in at least two directions and containing by volume about 45% to 65% fiber reinforcement. The laminates can be used with or without metal cladding.... | 02/17/1976 |
| 3936579 | Absorbent film produced by vacuum evaporation Absorbent film which has a great adhesion, a great mechanical strength and a high resistivity to heat and other radiation and which is applicable to sun glasses, color filters, phase plates used for the differential phase method, apodization filters and t... | 02/03/1976 |
| 3936404 | Aqueous baking varnishes from carboxylic polyester and carboxylic polyimide, and coated article Aqueous baking varnishes having a low viscosity and a high concentration suitable for coating conductors which comprise A. a carboxyl group containing polyester resin having an acid number of about 10 to 150 comprising the reaction product of 1. an organic car... | 02/03/1976 |
| 3936366 | Radiation polymerisable compositions containing 3-sorboyloxy-2-hydroxypropyl groups Compounds having at least three 3-sorboyloxy-2-hydroxypropyl groups directly attached to ether oxygen atoms are polymerised by exposure to actinic radiation, preferably in the presence of a sensitiser such as Michler's ketone or benzoin. The compounds may... | 02/03/1976 |
| 3936578 | Method of rendering a substrate non-stick towards tacky substances by coating the substrate with an organosilicon composition Sheets or films are rendered non-stick towards tacky substances by applying a coating composition containing specified quantities of (a) an ,ω-dihydroxydimethylpolysiloxane polymer, with a viscosity of at least 25,000 cPo at 25°C, containing at m... | 02/03/1976 |
| 3936342 | Steel plate bonding process and primer composition A process for bonding steel sheets, e.g., into metallic cans, which comprises applying first a primer comprising 0.1 to 2.5 weight parts of a bisphenol type A epoxy resin having a mean molecular weight of more than about 800, preferably 2000 to 4000, and ... | 02/03/1976 |
| 3935088 | Electrophoretic enamelling of ferrous articles A vitreous enamel-coated ferrous article is prepared by (a) pretreating a ferrous article such as by pickling, (b) coating the pretreated ferrous article with a metal whose boiling temperature is above the firing temperature of the enamel, (c) electrophor... | 01/27/1976 |
| 3935159 | Plastics compositions based on polyvinylidene fluoride Plastics compositions based on polyvinylidene fluoride which possess improved impact strength comprising 0.05 to 6 parts by weight of rhombohedral iron sesquioxide per 100 parts of polyvinylidene fluoride.... | 01/27/1976 |
| 3935007 | Aluminum alloy of age hardening type An aluminum alloy of age-hardening type indispensably containing copper, magnesium and silicon, being optionally added thereto traces of any one or more than one element selected from vanadium, manganese, chromium, zirconium and titanium. A sheet or strip... | 01/27/1976 |
| 3933531 | Method of rust-preventing for copper and copper alloy Copper and copper alloys are prevented from rust by surface-treating the copper and copper alloys with at least one compound selected from the class consisting of alkylimidazoles represented by the following formula: ##SPC1## Wherein R is a long straight ... | 01/20/1976 |
| 3931447 | Fused silicide coatings containing discrete particles for protecting niobium alloys Fused silicide coatings for protecting niobium alloy substrates are modified by providing dispersed nucleation sites in the form of discrete particles in the coating. The discrete particles have a thermal expansion coefficient lower than that of the fused... | 01/06/1976 |