Patents Examined by Arnold Tork
  • Inhibiting corrosion with macrocyclic tetramine corrosion inhibitors
    Patent number: 3977981
    Abstract: Corrosion of corrodible metal material is prevented by contacting the material with an effective amount of a macrocyclic tetramine.
    Type: Grant
    Filed: November 14, 1975
    Date of Patent: August 31, 1976
    Assignee: Shell Oil Company
    Inventors: Arthur K. Dunlop, Janis Vasilevskis