Patents by Inventor Rex Montgomery

Rex Montgomery 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).

  • Biodegradeable deicing composition
    Patent number: 6605232
    Abstract: The present invention relates to a novel deicing/anti-icing composition. The composition is formed by alkalinically degrading reducing sugars. The reducing sugars are preferably found in an industrial waste stream, such as corn steep water. The composition is inexpensive, biodegradeable, and nontoxic to the environment.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: August 12, 2003
    Assignee: University of Iowa Research Foundation
    Inventors: Rex Montgomery, Byung Yun Yang
  • Process for the extraction and purification of cesalin
    Patent number: 4147691
    Abstract: Pure cesalin having a high degree of anti-tumor activity is obtained by organic solvent extraction of either the whole seeds or the endosperm of the plant Caesalpinia gilliesii, to remove a lipid portion, extraction of the defatted endosperm with water, dialysis of the extract against water, separation of the non-dialyzable portion into a supernatant, precipitating crude cesalin from the supernatant by acidification or with ammonium sulfate, and purifying the crude cesalin by gel filtration and elution.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: April 3, 1979
    Assignee: University of Iowa Research Foundation
    Inventors: Rex Montgomery, Chao-Kuo Chiang
  • Apparatus for transporting and handling large loads of building materials
    Patent number: 3937344
    Abstract: An apparatus for transporting and unloading large loads of wallboard is disclosed. A base frame with wheels allows the apparatus to be moved over a surface. An upper frame is positioned above the base frame. The upper frame includes a curved member that extends convexly away from the upper frame. Means are provided between said base frame and said curved member for allowing said upper frame to move relative to said base frame. A lock means selectively prevents said curved member and upper frame from moving relative to said base frame.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: February 10, 1976
    Inventors: Thurman Rex Montgomery, deceased, by Billie Jo Montgomery, executrix