Tin Containing Patents (Class 420/568)
  • Patent number: 4443405
    Abstract: The grain size and resistance to corrosion of lead-antimony alloys containing less than 4% of antimony and 0.005 to 0.1% copper, are improved by incorporating therein from 0.001 to 0.1% of a mixture of rare earths, preferably misch metal. The alloys may also contain up to 0.5% arsenic or up to 0.8% of tin.
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: April 17, 1984
    Assignee: Societe Anonyme dite Compagnie Europeene d'Accumulateurs
    Inventors: Gerard Dalibard, Nicole Viaud
  • Patent number: 4376093
    Abstract: Low antimony lead alloys suitable for use as grid material in maintenance-free high capacity lead acid batteries are disclosed. The alloys comprise 0.6 to 1.1 weight percent antimony, 0.06 to 0.25 weight percent arsenic, 0.1 to 0.4 weight percent tin, 0.06 to 0.11 weight percent copper, and the balance lead. A preferred alloy contains 0.8 weight percent antimony, 0.15 weight percent arsenic, 0.25 weight percent tin and 0.08 weight percent copper.
    Type: Grant
    Filed: June 3, 1981
    Date of Patent: March 8, 1983
    Assignee: RSR Corporation
    Inventor: Raymond D. Prengaman