Patents by Inventor John E. Urbanic

John E. Urbanic 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).

  • Purification of sugar liquors with activated carbon
    Patent number: 4502890
    Abstract: A process for the purification of sugar liquors with activated carbon is described. The use of activated carbon with an iodine number at least 1200 and an average particle size in the range of 0.4 mm to 4.0 mm allows for increased flow rates resulting in high yield of purified sugar liquors.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: March 5, 1985
    Assignee: Calgon Carbon Corporation
    Inventor: John E. Urbanic