Patents by Inventor Thomas C. Maynard

Thomas C. Maynard 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).

  • Patent number: 4229284
    Abstract: A method of inhibiting corrosion in separation units of water-free petroleum and petrochemical hydrocarbon processing systems which comprises adding a compound corresponding to Formula I below either alone or in combination with a film-forming amine corrosion inhibitor to the hydrocarbon being processed:Formula IR--O--(CH.sub.2)nNH.sub.2,wherein n is 2 or 3 and R is a lower alkyl radical of not more than 4 carbon atoms.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: October 21, 1980
    Assignee: Nalco Chemical Co.
    Inventors: James A. White, Thomas C. Maynard
  • Patent number: 4062764
    Abstract: A method of neutralizing acidic components in petroleum refining units in which distillation is taking place, which method comprises adding a compound corresponding to Formula I below either alone or in combination with a film-forming amine to the petroleum product being distilled:Formula Ir--o--(ch.sub.2).sub.n NH.sub.2wherein n is 2 or 3 and R is a lower alkyl radical of not more than 4 carbon atoms.
    Type: Grant
    Filed: July 28, 1976
    Date of Patent: December 13, 1977
    Assignee: Nalco Chemical Company
    Inventors: James A. White, Thomas C. Maynard