Patents by Inventor Leroy R. Peek

Leroy R. Peek 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).

  • Method of papermaking using crosslinked cationic/amphoteric starches
    Patent number: 5523339
    Abstract: A method of making paper in an alkaline or acid system wherein a selected crosslinked, cationized or amphoteric starch is added to the system, said starch being crosslinked by adding enough crosslinking agent to provide a starch having a breakdown viscosity of from about 2 to 85% and wherein the crosslinked, cationized or amphoteric starch is jet cooked under super atmospheric pressure at a temperature of from about 195.degree. to 325.degree. F.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: June 4, 1996
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Daniel B. Solarek, Leroy R. Peek, Matthew J. Henley, Ralph M. Trksak, Michael T. Philbin
  • Method of papermaking using crosslinked cationic/amphoteric starches
    Patent number: 5368690
    Abstract: A method of making paper in an alkaline or acid system wherein a selected crosslinked, cationized or amphoteric starch is added to the system, said starch being crosslinked by adding enough crosslinking agent to provide a starch having a breakdown viscosity of from about 2 to 85% and wherein the crosslinked, cationized or amphoteric starch is jet cooked under super atmospheric pressure at a temperature of from about 195.degree. to 325.degree. F.
    Type: Grant
    Filed: December 23, 1992
    Date of Patent: November 29, 1994
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Daniel B. Solarek, Leroy R. Peek, Matthew J. Henley, Ralph M. Trksak, Michael T. Philbin