| Patent Number |
Title Of Patent |
Date Issued |
| 4439498 |
Corrosion resistant stainless steel covered electrode |
March 27, 1984 |
| A covered electrode for welding chloride resistant stainless steel of the type containing about 0.04% carbon, 20% chromium, 24% nickel, 5% molybdenum, and balance iron. The covered electrode provides the capability for producing substantially defect-free stainless steel weld deposits |
| 4397964 |
Process using fluidized bed catalyst |
August 9, 1983 |
| An unsupported particulate catalyst especially useful for methanation reactions is prepared by a method comprising fluid-bed roasting agglomerates of nickel sulfide to form a particulate precursor material which can be reduced to composite particles consisting essentially of a nickel |
| 4388125 |
Carburization resistant high temperature alloy |
June 14, 1983 |
| Special heat resistant alloys containing nickel, chromium, iron, titanium, aluminum, carbon, silicon, manganese, calcium and tungsten afford high temperature carburization, oxidation and sulfidation resistance, characteristics which render the alloys particularly suitable for use in |
| 4358892 |
Method of producing battery and electrolytic cell electrodes |
November 16, 1982 |
| A composite electrode having a structural electrode member with at least a portion of one surface of the electrode member constructed from a continuous matrix of an anodically passivatable metal infiltrated by a metal capable of forming an electroconductive oxide and having the infil |
| 4358318 |
Nickel-based alloy |
November 9, 1982 |
| Nickel-base alloy containing chromium, aluminum, titanium, molybdenum, cobalt and tungsten has combination of strength and ductility at elevated temperatures, particularly including stress-rupture strength at 980.degree. C. and ductility at 760.degree. C., along with resistance again |
| 4339401 |
Process for producing metal powders having low oxygen content |
July 13, 1982 |
| Apparatus and method for water atomizing molten metal to provide a low oxygen metal powder. A molten metal stream is introduced to an atomization vessel containing a pressurized inert gas. The metal stream is atomized by impingement of high pressure water within the atomization vessel. T |
| 4304644 |
Autoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobalt |
December 8, 1981 |
| A process is provided for treating a matte for selective extraction of nonferrous metals using a single stage oxidative pressure leach wherein leaching is carried out in a continuous manner and relatively mild conditions on an aqueous slurry of the matte having a specific sulfur adju |
| 4297178 |
Ruthenium electroplating and baths and compositions therefor |
October 27, 1981 |
| The invention provides a bath that is operable at, or close to, pH 7 to deposit a coating of ruthenium on a substrate, e.g. the contacts of electrical switches, which does away with the need to provide a protective coating on the substrate prior to ruthenium plating. The bath consists |
| 4288247 |
Nickel-base superalloys |
September 8, 1981 |
| A nickel-base superalloy containing 14 to 22% chromium, 5 to 25% cobalt, 1 to 5% tungsten, 0.5 to 3% tantalum, 2 to 5% titanium, 1 to 4.5% aluminum, the sum of the titanium plus aluminum being 4.5 to 9%, up to 2% niobium, about 0.35 to 1.2% boron, up to 3.5% molybdenum, up to 0.5% zircon |
| 4274930 |
Process for recovering cobalt electrolytically |
June 23, 1981 |
| A cobaltic oxide hydrate is mixed with spent sulfate electrolyte and the slurry is sparged with air to liberate any entrained chloride ions as gaseous chlorine. Thereafter a reducing agent is used to enable dissolution of the cobalt and obtaining of a chloride-free solution from whic |
| 4260470 |
Insoluble anode for electrowinning metals |
April 7, 1981 |
| An essentially planar electrowinning anode made of infiltrated sintered metal, e.g. lead infiltrated sintered titanium having longitudinally extending bars of lead metallurgically bonded to and shielded by the infiltrated metal. Advantageously the anode is made up of at least two str |
| 4260364 |
Burner for flash smelting furnace |
April 7, 1981 |
| A flash smelting burner is provided which consists of an assembly of feed pipes for solids and gas, which discharge into a mixing tunnel, the feed pipes being concentric at the point of discharge so that gas is fed into the mixing tunnel from an annular opening between the feed pipes, th |
| 4254192 |
Primary galvanic cell |
March 3, 1981 |
| A primary galvanic cell (10) displaying superior leak-resistant characteristics. A molded battery container (12) having one open end (14) is sealed by an end cap (18) having both insulating (22) and conducting (20) properties. An electrode (24), integrally affixed to the end cap (18) |
| 4253919 |
Electrodeposition of cadmium-selenium semiconducting photoelectrodes from an acid citrate bath |
March 3, 1981 |
| A process for electrodepositing cadmium and selenium onto a material suitable for use as a photoelectrode in a photovoltaic cell. The plating electrolyte, in one embodiment, consists essentially of an acid citrate bath including hydrated citric acid, hydrated sodium citrate, hydrated |
| 4247523 |
Pelletizing sulfation of titanium concentrates |
January 27, 1981 |
| A titaniferous ore concentrate or slag is fed, together with sulfuric acid, into a heated pelletizer wherein the sulfation reaction occurs simultaneously with pellet formation. |
| 4205964 |
Process for producing ceramic powders and products resulting therefrom |
June 3, 1980 |
| A process and products produced thereby, e.g., alumina tools, in which ceramic powder particles are subjected to high transmissive energy milling under dry conditions and with given ratios of impacting media to powder, the milling being conducted for a period beyond the threshold point o |
| 4205956 |
Nickel carbonyl analyzer |
June 3, 1980 |
| A sensitive portable detector for nickel carbonyl is provided which relies on chemiluminescence produced in the presence of ozone and carbon monoxide by pulse-modulating the carbon monoxide feed to the reactor chamber and detecting the resulting modulation of the output signal. The instr |
| 4200515 |
Sintered metal powder-coated electrodes for water electrolysis prepared with polysilicate-based |
April 29, 1980 |
| An electrode for water electrolyzers comprising a steel base having a sintered porous layer of nickel, nickel-iron or iron on the steel base and having an electrochemically formed oxidic layer or hydrogen saturation associated with the sintered layer. |
| 4195117 |
Process for electroplating directly plateable plastic with nickel-iron alloy strike and article |
March 25, 1980 |
| Discloses the use of nickel-iron alloy strike deposits on directly plateable plastics whereby difficulties encountered in plating directly plateable plastics are obviated and plated objects suitable for service conditions 3 and 4 or equivalent service conditions are provided. |
| 4191617 |
Process for electroplating directly plateable plastic with cobalt alloy strike and article there |
March 4, 1980 |
| Discloses the use of nickel-cobalt alloy strike deposits especially ultra-thin nickel-cobalt alloy strike deposits on directly plateable plastics whereby difficulties encountered in plating directly plateable plastics are obviated and plated objects suitable for service conditions 3 |
| 4189358 |
Electrodeposition of ruthenium-iridium alloy |
February 19, 1980 |
| Ruthenium-iridium electrodeposits are prepared from aqueous acid solution containing ruthenium, iridium, a fluoborate salt, fluoboric acid, and optionally sulfamic acid. The baths are especially useful for preparing insoluble anodes. |
| 4178216 |
Process for bipolar electrode support structures |
December 11, 1979 |
| A bipolar electrode support structure for use in a lead acid battery is constituted by a porous matrix of valve metal, impregnated with lead or a lead alloy, and is provided on at least one surface thereof with a rim-portion at which little or no lead is exposed. The rim-portion is used |
| 4175117 |
Production of ceramic powders for ferrite, spinel, titanate and garnet production |
November 20, 1979 |
| A process and products produced thereby, e.g., ferrites, in which ceramic powder particles are subjected to high transmissive energy milling under dry conditions and with given ratios of impacting media to powder, the milling being conducted for a period beyond the threshold point of the |
| 4174964 |
Nickel-base alloys of improved high temperature tensile ductility |
November 20, 1979 |
| The tensile ductility of low chromium substantially precipitation hardened nickel-base alloys within the temperature range of 600.degree. C. to 900.degree. C. is improved through the incorporation in the alloys of controlled amounts of yttrium. |
| 4174378 |
Iridium compound and preparation thereof |
November 13, 1979 |
| Iridium compounds are produced by refluxing a diammonium hexahalo salt of iridium and sulfamic acid in an aqueous medium for more than thirty hours. When the diammonium hexachloro salt of iridium is used, the iridium product is an olive green salt having a melting point above 350.degree. |
| 4168967 |
Nickel and cobalt irregularly shaped granulates |
September 25, 1979 |
| A granulate consisting of smooth irregularly shaped granules is produced by preparing a molten bath of nickel and/or cobalt containing amounts of carbon and silicon which are correlated so that:pouring the molten alloy at a temperature 50.degree.-100.degree. C. above its liquidus tempera |
| 4168217 |
Roast-leach copper recovery |
September 18, 1979 |
| A copper-containing sulfidic material is dead-roasted at a temperature of at least 750.degree. C. and the resulting calcine is leached in a sulfuric acid solution to dissolve most of the copper in preference to any iron, nickel and cobalt in the material. |
| 4167377 |
Powder rolling apparatus |
September 11, 1979 |
| Powder rolling apparatus, for the production of strip equal in width to the roll length, is provided with edge restraint devices in the form of cylindrical blocks mounted in the roll gap region with their axes parallel to the roll axes and rotatably driven to cause an end-face of each |
| 4165979 |
Flash smelting in confined space |
August 28, 1979 |
| Use of a burner design featuring a tunnel of high length to diameter ratio enables the flash-smelting of sulfides to be carried out in a much more confined space than heretofore possible. |
| 4163046 |
Recovery of selenium |
July 31, 1979 |
| A hydrometallurgical process for treating copper refinery anode slimes containing selenium, lead and precious metals in which a selenium product of better than 99.7% purity can be produced and the final residue is suitable for smelting to produce anodes for silver refining. |
| 4162390 |
Laser welding chamber |
July 24, 1979 |
| Apparatus and method for laser welding in a controllably pure gaseous environment at sub-atmospheric as well as high pressures. A workpiece to be welded is contained within a vessel having a light transmitting means which allows passage of a laser beam into the vessel. A gas stream is |
| 4161402 |
Nickel-mischmetal-calcium alloys for hydrogen storage |
July 17, 1979 |
| A nickel-mischmetal-calcium compound is used to store gaseous hydrogen at pressures up to about 15 atmospheres at ambient temperatures. The Ni.sub.5 M.sub.1-y Ca.sub.y compounds have values of y ranging from about 0.2 to about 0.9. Alloys conforming to this formula contain from about 4% |
| 4161401 |
Nickel-calcium alloy for hydrogen storage |
July 17, 1979 |
| A calcium-nickel compound, CaNi.sub.5, is used to store hydrogen at sub-atmospheric pressures. Charging of the calcium-nickel compound with hydrogen can be accomplished at sub-atmospheric as well as at high pressures. Stored hydrogen can be released from a valved vessel containing ca |
| 4160615 |
Cable rock anchor |
July 10, 1979 |
| Directed to a cable rock anchor device whereby a load-supporting cable having considerable length may be anchored in a hole to provide ceiling or wall support underground comprising cable gripping means for gripping the cable during advance of the cable and device through a hole and expa |
| 4158612 |
Polymeric mandrel for electroforming and method of electroforming |
June 19, 1979 |
| An electroforming mandrel providing exceptional resistance to mask removal in highly corrosive electrolytes. The mandrel relies on a molecular bond between a non-conductive polymer mask and the electrically conductive polymer plating surface to avoid separation of these members and to al |
| 4157943 |
Composite electrode for electrolytic processes |
June 12, 1979 |
| A composite electrode especially suitable for electrowinning processes comprising an electrically conductive substrate having on at least a part of its surface a multilayer coating, said coating comprising:(a) a barrier layer directly on the substrate;(b) a ruthenium dioxide-containing non-e |
| 4157315 |
Method of preparing a supported catalyst and the catalyst prepared by the method |
June 5, 1979 |
| A method is provided for preparing a supported catalyst composed of a structural substrate having an adherent, coherent, coating of a catalytic material which comprises applying on the substrate a dispersion comprising a stabilized colloidal silica solution having dispersed therein a fin |
| 4153453 |
Composite electrodeposits and alloys |
May 8, 1979 |
| An alloy difficult to produce by conventional electrodeposition techniques is produced by electrodepositing at least one metal selected from the group comprising nickel, up to 50% cobalt, and iron with particles incorporating metal in chemically combined state. The particles contain a |
| 4149063 |
Flux cored wire for welding Ni-Cr-Fe alloys |
April 10, 1979 |
| A self-shielding, flux cored arc welding electrode for joining Ni-Cr-Fe alloys and overlaying dissimilar metals. The wire has a nickel-chromium containing alloy sheath and a flux core containing special proportions of carbonates, fluorides, metal oxides, and powdered metals. Sound welds |
| 4148631 |
Stripping of cobalt from nickel-cobalt loaded organic |
April 10, 1979 |
| A process for separating nickel and cobalt present in a sulfate solution includes using a cationic extractant to extract both metals, treating the loaded cationic extractant with an aqueous chloride or thiocyanate solution to back-extract the cobalt and thereafter recovering the cobalt |
| 4147597 |
Method for producing electrolytic nickel in particulate forms under condition of high and variab |
April 3, 1979 |
| An electrodeposition mandrel for nickel electrodeposition having islands of bare metal surface finished by grit blasting with either cast iron grit or aluminum oxide grit to a RMS surface finish of about 130 to 300.mu. inch when cast iron grit is employed and about 25 to about 150.mu. in |
| 4144102 |
Production of low expansion superalloy products |
March 13, 1979 |
| Nickel-iron and nickel-iron-cobalt alloys contain chromium and gamma-prime hardening elements in proportions balanced according to special compositional relationships providing desired thermal expansion, inflection temperature, strength and ductility characteristics, particularly inc |
| 4143865 |
Flash smelting furnace |
March 13, 1979 |
| A flash smelting furnace has an outer metallic shell from which portions are cut out to expose the outer surface of the refractory lining at a depth corresponding to the location of the matte-slag interface, and gaseous cooling jets are directed onto the exposed refractory lining. |
| 4135918 |
Roast-reductive leach process for copper recovery |
January 23, 1979 |
| A sulfide containing copper and one or more of iron, nickel and cobalt, is dead-roasted at a temperature of 750.degree. C or above, then subjected to a pressure leach under reducing conditions to produce elemental copper and an aqueous solution of the other metals. |
| 4135913 |
Thermal concentration of non-ferrous metal values in sulfide minerals |
January 23, 1979 |
| Ferruginous sulfide minerals containing non-ferrous metal values, such as nickel and cobalt are treated to concentrate the non-ferrous metal values in metallic iron. An intimate admixture of finely-divided non-ferrous-metal-bearing ferruginous sulfide minerals, iron oxide, and a suit |
| 4135621 |
Hydrogen storage module |
January 23, 1979 |
| Discloses a hydrogen storage module comprising a fluted tube section closed at each end with a gas permeable porous plug and containing a metal adapted to form a hydride or the hydride of such metal. |
| 4135395 |
Undersea mining instrument |
January 23, 1979 |
| Electromechanical impact meter enables obtaining real-time on-site collection rate information concerning undersea mining of manganese nodules or other solid minerals at a remote location. |
| 4134852 |
Process for preparing mixed metal oxide catalysts |
January 16, 1979 |
| Mixed metal oxides are prepared as catalyst materials by a method comprising high energy impact milling of a formulated mixture of powders to form a mechanically alloyed product and heat treating said product in an oxidizing atmosphere to form the desired compound. In a preferred emb |
| 4134491 |
Hydride storage containment |
January 16, 1979 |
| Discloses the use of collapsible hollow structures within a mass of metal-hydride material used in a pressure vessel for storing hydrogen. |
| 4134490 |
Gas storage containment |
January 16, 1979 |
| Discloses the use of spatially extended particles of a solid characterized by a low apparent density distributed within a mass of metal hydride material used in a pressure vessel for storing hydrogen. |
