Patents Assigned to HH-Produkter, Magnusson & Co.
  • Method of preparing a steel surface for painting or enamelling
    Patent number: 4184928
    Abstract: A method of preparing a steel surface for painting or enamelling in which the surface is coated with a tin-zinc alloy by electrodeposition from an aqueous electrolyte containing zinc sulphamate, tin sulphate and sulphamic acid.
    Type: Grant
    Filed: August 30, 1978
    Date of Patent: January 22, 1980
    Assignee: HH-Produkter, Magnusson & Co.
    Inventor: Hugo Hoije