Patents by Inventor Arthur K. Dunlop

Arthur K. Dunlop has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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