Patents by Inventor Robert J. Hoopes

Robert J. Hoopes 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).

  • Corrosion inhibiting composition for reinforced concrete and method of applying same
    Patent number: 5422141
    Abstract: A rehabilitative solution for preventing or retarding the spread of corrosion of metal reinforcements in concrete, comprising a) one or more corrosion-inhibiting agent(s) and b) a impregnation-increasing amount of a penetration-enhancing agent selected from the group consisting of C.sub.1 to C.sub.20 alcohols; alkali metal salts of gluconic acid; alkyl-substituted benzene compounds; or mixtures thereof, is disclosed, along with several methods of its application for concrete rehabilitation.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: June 6, 1995
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Robert J. Hoopes, Neal S. Berke, Paul G. Tourney, Ahmad Arfaei