Patents by Inventor James D. Adkins

James D. Adkins 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).

  • Epoxy pipelining composition and method of manufacture
    Patent number: 5707702
    Abstract: A cross-linked pipelining network polymer composition for the in situ rehabilitation of pipes is formed. The polymer composition comprises at least one liquid epoxy resin and an effective amount of a liquid curing agent blend comprising an aliphatic polyamine, an aliphatic imidazoline, and an aliphatic amidoamine. The polymer composition may further comprise a pigment, a diluent and/or a viscosity controlling agent.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: January 13, 1998
    Inventors: Robert F. Brady, Jr., James D. Adkins