Patents Assigned to Nisshin Kasei Kabushiki Kaisha
  • Patent number: 4428802
    Abstract: A palladium-nickel alloy plating solutions formed from tetramminepalladous chloride is provided. The tetramminepalladous chloride is soluble in aqueous ammonia plating solution and is also water soluble. This permits replenishment of the palladium in a palladium-nickel plating solution during plating operation merely by adding the tetramminepalladous palladius chloride as a solid which is easily dissolved. The palladium-nickel alloy plating solutions contain between about 5 to 30 g/l of palladium and 5 to 30 g/l of nickel.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: January 31, 1984
    Assignees: Kabushiki Kaisha Suwa Seikosha, Nisshin Kasei Kabushiki Kaisha
    Inventors: Masao Kanai, Hirotomo Koshiro