Copper Containing Patents (Class 420/582)
  • Patent number: 4396576
    Abstract: An alloy having a composition of the general formula, MmNi.sub.5-x A.sub.x-y B.sub.y, wherein Mm is misch metal, A is one member selected from the group consisting of Al, Cu, and Mn and B is one member selected from the group consisting of Al, Co, Cu, Fe, Mn, and Si, providing that both A and B do not represent one same compound, is useful for the occlusion of hydrogen.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: August 2, 1983
    Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Yasuaki Osumi, Hiroshi Suzuki, Akihiko Kato, Keisuke Oguro, Masanori Nakane
  • Patent number: 4384891
    Abstract: A metal alloy having high catalytic activity comprising a refractory base metal mass containing carbon and at least one metal of the platinum type, the surface of which has been subjected to intergranular acid corrosion which produces microfissures and causes the formation of microcrystals of the platinum metals. The catalyst is useful in exhaust catalystic converters.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: May 24, 1983
    Assignee: Regie Nationale des Usines Renault
    Inventor: Jean-Louis Barnabe
  • Patent number: 4376650
    Abstract: Very significant improvements in the hot workability of an age hardenable nickel base alloy containing 17 to 20 percent chromium, 2.9 to 5.3 percent titanium, 1.8 to 2.8 percent aluminum, 11 to 15.5 cobalt, 2.5 to 7 percent molybdenum, 0.8 to 1.5 percent tungsten, 0.004 to 0.040 percent boron, 0.02 to 0.06 percent carbon and about 52 to about 57 percent nickel are achieved by melting the raw materials under vacuum in the presence of lime, and forming a desulfurizing lime slag on the surface of the molten raw materials, and thereafter adding magnesium thereto just prior to casting the alloy, preferably while maintaining the molten raw material under an inert gas atmosphere.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: March 15, 1983
    Assignee: Teledyne Industries, Inc.
    Inventor: Robert L. McGinness
  • Patent number: 4375996
    Abstract: The invention provides a rare earth metal-containing alloy for permanent magnets having a composition expressed by the formulaSm.sub.1-.alpha. Ce.sub..alpha. (Co.sub.1-x-y-u-v-w Fe.sub.x Cu.sub.y Ti.sub.u Zr.sub.v Mn.sub.w).sub.z,in which the suffixes are each a numerical value as defined by:0.1.ltoreq..alpha..ltoreq.0.90;0.10.ltoreq.x.ltoreq.0.30;0.05.ltoreq.y.ltoreq.0.15;0.002.ltoreq.u.ltoreq.0.03;0.002.ltoreq.v.ltoreq.0.03;0.005.ltoreq.w.ltoreq.0.08;with the proviso that 0.01.ltoreq.u+v+w.ltoreq.0.10; and 5.7.ltoreq.z.ltoreq.8.1 . The permanent magnets prepared with the alloy have very high magnetic properties, especially, in the coercive force and the maximum energy product even better than those obtained with a samarium-based alloy along with good machinability as in the cerium-based alloys suitable for mass production.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: March 8, 1983
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yoshio Tawara, Tetsuichi Chino, Ken Ohashi
  • Patent number: 4370163
    Abstract: A hydrogen storage Ti-Fe alloy of the general formula, Ti.sub.1-x A.sub.x Fe.sub.y-z B.sub.z, in which A is Zr, Hf or a mixture thereof, B is a member selected from Cr, Cu, Co, Mo, V, Ni, Nb, Mn and a mixture thereof, and x, y and z are values of certain ranges, respectively. The alloy is predominantly comprised of an effective alloy phase of CsCl type body-centered cubic crystals. The alloy of the formula where z=O is within the scope of the invention. A process for making an alloy of this type is also disclosed.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: January 25, 1983
    Assignee: Matsushita Electric Industrial Company, Limited
    Inventors: Yoshio Moriwaki, Takaharu Gamou, Nobuyuki Yanagihara, Toshio Yamashita, Tsutomu Iwaki
  • Patent number: 4363659
    Abstract: A nickel-base alloy resistant to wear is disclosed. The alloy contains as its principal elements chromium, molybdenum, silicon, boron and carbon. The alloy, when composed of the elements in the proportions as taught, provides an outstanding combination of engineering properties including abrasive and adhesive wear, corrosion resistance, hot hardness and impact strength. This combination of properties is essential when the alloy is used in certain suggested forms including internal combustion engine parts, fluid valve parts, gas and steam turbine parts and chain saw guide components.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: December 14, 1982
    Assignee: Cabot Corporation
    Inventor: Anthony J. Hickl
  • Patent number: 4334924
    Abstract: Molten molybdenum-(copper)-iron-sulfur mattes or alloys, obtained for example, by reacting slags or other molybdenum containing oxide residues or waste materials with an iron and/or sulfide reductant, are enriched in molybdenum and copper (if present) by a pyrometallurgical process. The molten matte or alloy material is oxidized to remove sulfur, as sulfur oxides, while varying amounts of iron are converted to iron oxides which separate from the metallics. The oxidation thus enriches the molybdenum and copper content of the remaining alloy. Silica flux may be added during the reaction process to form a fluid slag with the iron oxide which separates from the remaining molybdenum-iron-(copper) material which constitutes the product.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: June 15, 1982
    Assignee: Kennecott Corporation
    Inventors: Jonathan J. Kim, Paul R. Ammann