Patents Assigned to Permalite Chemicals Limited
  • Electrodeposition of nickel
    Patent number: 4054495
    Abstract: The invention relates to aqueous solutions for bright and semi-bright nickel electroplating. The bath contains known ingredients such as nickel salts, boric acid ions together with three acetylenic compounds viz acetylenic alcohol, separated mono and/or di-alkoxylated derivative of acetylenic alcohol produced by reaction of acetylenic alcohol with ethylene oxide, propylene oxide or butylene oxide and N-di-substituted amino-propyne or its hydrochloride.
    Type: Grant
    Filed: March 5, 1976
    Date of Patent: October 18, 1977
    Assignee: Permalite Chemicals Limited
    Inventors: Malcolm John Law, Peter James Hutchinson