Patents by Inventor Macdonell, Gary D.

Macdonell, Gary D. 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).

  • Mercaptohydroxy alkanes
    Patent number: 4472569
    Abstract: Dimercaptodihydroxy alkanes are used as a curing agent for epoxide resins and as ore flotation agents.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: September 18, 1984
    Assignee: Phillips Petroleum Company
    Inventors: Roy A. Gray, Macdonell, Gary D.