Patents Represented by Attorney R. J. Kenny
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Patent number: 4280988Abstract: A slurry, such as might be obtained from acid leaching nickeliferous ores having a high iron content, is treated to separate dissolved nickel or cobalt from iron oxide solids. The treatment involves a controlled precipitation of the non-ferrous metal with the aid of calcium sulfide or barium sulfide followed by flotation to recover a high grade concentrate of the non-ferrous metal.Type: GrantFiled: April 4, 1980Date of Patent: July 28, 1981Assignee: The International Nickel Co., Inc.Inventors: Kohur N. Subramanian, Gerald V. Glaum, Einar Walli
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Patent number: 4273755Abstract: A process is provided for preparing cis-Pt(NH.sub.3).sub.2 Cl.sub.2 and intermediates. As a step in the process the intermediate cis-Pt(NH.sub.3).sub.2 I.sub.2 is prepared from K.sub.2 PtI.sub.4 by adding NH.sub.4 OH under controlled conditions of temperature and pH. The cis-Pt(NH.sub.3).sub.2 Cl.sub.2 is provided in high yield and purity.Type: GrantFiled: August 16, 1979Date of Patent: June 16, 1981Assignee: MPD Technology CorporationInventors: Richard N. Rhoda, Jeffrey N. Crosby
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Patent number: 4268364Abstract: An electroplating bath and process for producing a nickel-zinc alloy electrodeposit containing about 8% to 35% nickel characterized in that the bath is essentially a boric acid-containing sulfamate bath maintained at a pH of 2.5 to 4.0 and operated at a cathode current density of about 10 to 25 mA cm.sup.-2 and at a temperature of about 20.degree. C. to 70.degree. C.Type: GrantFiled: March 18, 1980Date of Patent: May 19, 1981Assignee: Inco Research & Development Center Inc.Inventor: Dale E. Hall
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Patent number: 4268322Abstract: A method for producing aluminum rings without developing undesirable residual stresses. A hot ring blank is ring rolled to a diametric size ranging approximately between 1% and 3% smaller than the desired dimensions of the finished ring. The ring is subsequently heated, quenched, subjected to cold ring working, and then aged prior to final machining.Type: GrantFiled: July 16, 1979Date of Patent: May 19, 1981Assignee: Daniel Doncaster & Sons LimitedInventor: Alan W. Willis
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Patent number: 4260364Abstract: 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, the solids feed pipe having a bend therein and being provided with apertures which enable a small proportion of the gas stream to enter the solids feed pipe at the bent region thereof.Type: GrantFiled: April 17, 1979Date of Patent: April 7, 1981Assignee: The International Nickel Company Inc.Inventors: Charles E. Young, Charles D. Dobson
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Patent number: 4260470Abstract: 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 strips of lead infiltrated, sintered titanium with a lead bar bridging the junction of the strips.Type: GrantFiled: October 29, 1979Date of Patent: April 7, 1981Assignee: The International Nickel Company, Inc.Inventor: Gordon L. Fisher
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Patent number: 4259418Abstract: A photoelectrochemical system comprising an n-type photoelectrode, means associated with said photoelectrode for storing charges produced at the interface of the photoelectrode and an electrolyte and a hydrogen storage electrode in contact with a hydrogen-containing electrolyte.Type: GrantFiled: November 9, 1979Date of Patent: March 31, 1981Assignee: The International Nickel Co., Inc.Inventors: William D. K. Clark, Michael N. Hull, John T. Arms
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Patent number: 4255746Abstract: A home safety unit having an emergency light system for providing light in the event of a power failure or the detection of a fire condition, and a fire detection system for providing an alarm indicating the existence of a fire. The safety unit is designed to have an aesthetically pleasing appearance and to be installed inconspicuously between the base of an existing light fixture and a wall or ceiling. Installation of the safety unit is a simple process, whether installing it when constructing a new building or by retro-fitting it into an existing building.A modified light switch having parallel impedance across the light switch terminals is installed to provide continuous power to the safety unit when the switch is in its off position. Also included is a low voltage dropout system for disconnecting the auxiliary lights when the battery voltage falls below a certain level and for providing an audible alarm indicating this low voltage condition.Type: GrantFiled: November 21, 1977Date of Patent: March 10, 1981Assignee: ESB Inc.Inventors: Robert W. Johnson, William J. Raddi
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Patent number: 4254192Abstract: 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) and in electrical registry therewith, is disposed within the cell (10).Type: GrantFiled: November 23, 1979Date of Patent: March 3, 1981Assignee: The International Nickel Company, Inc.Inventors: Philip Bernstein, James P. Coffey, James W. Wilson
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Patent number: 4253919Abstract: 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 cadmium chloride and selenious acid. The deposit may be subsequently heat treated.Type: GrantFiled: January 21, 1980Date of Patent: March 3, 1981Assignee: The International Nickel Company, Inc.Inventors: Dale E. Hall, William D. K. Clark
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Patent number: 4253544Abstract: A shock absorbing lanyard (10) having a warning flag (20) for indicating the status of the lanyard (10). Upon the application of a predetermined force, as the lanyard (10) elongates, a gathered section (18) simultaneously stretches and frees the flag (20). The freed flag (20) indicates that the lanyard (10) has been used and must be discarded.Type: GrantFiled: February 11, 1980Date of Patent: March 3, 1981Assignee: Inco Safety Products CompanyInventor: George C. Dalmaso
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Patent number: 4252872Abstract: An improvement in the production of tube electrodes for lead storage batteries comprising mixing a small amount (0.1 to 3 weight percent) of polytetrafluoroethylene (PTFE) with lead powder, the mixture is heated and shear stresses are applied thereto sufficient to convert substantially all of the PTFE in the mixture to fibrous form and to form a non-powdery dough. The dough is then granulated and the doughy granules about 100.mu. to 500.mu. in major dimension are used for filling tube elctrodes of a lead-acid storage battery.Type: GrantFiled: February 14, 1980Date of Patent: February 24, 1981Assignee: ESB IncorporatedInventor: Ove Nilsson
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Patent number: 4250210Abstract: A process for chemical vapor deposition of ruthenium on heat resistant substrates employing ruthenium 1, 3 dione compounds as volatile sources and causing the volatile material to impact on a heated receiving substrate in random fashion in a quiescent, low-pressure atmosphere.Type: GrantFiled: December 27, 1977Date of Patent: February 10, 1981Assignee: The International Nickel Co., Inc.Inventors: Jeffrey N. Crosby, Robert S. Hanley
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Patent number: 4249940Abstract: Discloses a hydridable compound of the general formula MNi.sub.x-y Fe.sub.y, where M is mischmetal, x is a number between 4.5 and 5.5 and y is a number between about 0.1 and 1.3.Type: GrantFiled: January 8, 1979Date of Patent: February 10, 1981Assignee: The International Nickel Co., Inc.Inventors: Gary D. Sandrock, Stephan L. Keresztes
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Patent number: 4247523Abstract: 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.Type: GrantFiled: March 24, 1980Date of Patent: January 27, 1981Assignee: The International Nickel Company, Inc.Inventors: Rotrou A. Hall, Gerald V. Glaum
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Patent number: 4233062Abstract: Gas content of atomized metal powder can be reduced by conducting the atomization process at subatmospheric pressure and maintaining evacuation during atomization process.Type: GrantFiled: August 9, 1978Date of Patent: November 11, 1980Assignee: Huntington Alloys Inc.Inventor: Richard J. Siddall
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Patent number: 4229270Abstract: A process for treating anode slimes containing silver in which the silver is converted to a form soluble in dilute nitric acid, and in which after dissolution in dilute nitric acid, the silver is electrowon from solution. The process can be carried out by a route which is entirely hydrometallurgical. In addition to recovery silver, other values such as Se, Te, Ni and precious metals can be recovered.Type: GrantFiled: April 2, 1979Date of Patent: October 21, 1980Assignee: The International Nickel Co., Inc.Inventors: Kohur N. Subramanian, Malcolm C. E. Bell, John A. Thomas, Norman C. Nissen
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Patent number: 4221852Abstract: A storage battery grid consisting of a frame having a lug on the upper edge thereof and spaced from a corner of the frame, a set of wires parallel to one another connecting the side edges of the frame, and a set of radial arms diverging away from the upper edge to connect that upper edge to each of the other three edges of the frame.Type: GrantFiled: May 21, 1979Date of Patent: September 9, 1980Assignees: ESB United States, Inc., ESB International Corp.Inventor: Nawaz M. Qureshi
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Patent number: 4205964Abstract: 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 of the powder constituents, whereby dense, composite powder particles are obtained having an interdispersion of initial constituent particles, a large internal interfacial surface within individual product powder particles, etc.Type: GrantFiled: January 17, 1977Date of Patent: June 3, 1980Assignee: The International Nickel Company, Inc.Inventor: Brian Hill
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Patent number: 4165997Abstract: Iron-nickel-chromium alloy wherein other elements, including columbium and titanium, are specially controlled has high strength and long-time stability for extended service at intermediate temperatures, such as automotive turbine service for 5000 hours at 1200.degree. F.Type: GrantFiled: October 26, 1977Date of Patent: August 28, 1979Assignee: Huntington Alloys, Inc.Inventors: Darrell F. Smith, Jr., Edward F. Clatworthy