Patents by Inventor Robert L. LaBrie

Robert L. LaBrie 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).

  • Process for demineralizing a sugar-containing solution
    Patent number: 5094694
    Abstract: Improved method for demineralizing a sugar-containing solution using an ion exchange resin in bead form wherein the volume average bead diameter is from 400 to 700 .mu.m and the bead diameter distribution is such that at least 80 volume percent of the beads have diameters which fall within a range of .+-.15 percent of the volume average diameter of the resin used.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: March 10, 1992
    Assignee: The Dow Chemical Company
    Inventors: Robert L. LaBrie, Upen J. Bharwada
  • Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins
    Patent number: 4950332
    Abstract: A process for decolorizing an aqueous sugar solution by contacting the solution with an absorbent resin, wherein the adsorbent resin is a macroporous copolymer being post-crosslinked in a swollen state in the presence of a Friedel-Crafts catalyst and functionalized with hydrophilic groups prior to contact with the aqueous sugar solution.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: August 21, 1990
    Assignee: The Dow Chemical Company
    Inventors: Richard T. Stringfield, H. Robert Goltz, Seth I. Norman, Upen J. Bharwada, Robert L. LaBrie