Patents by Inventor Roger J. Hansotte

Roger J. Hansotte 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 extracting oleaginous seed materials particularly cottonseed with aqueous alcohol
    Patent number: 4359417
    Abstract: There is disclosed a process for extracting oleaginous seed material consisting in part of solubles comprising carbohydrates, fatty-acids, non-oil lipids and oils with a less concentrated aqueous solution of a monohydric alcohol selective for the extraction of the solubles other than the carbohydrates and oil followed by a contact of the resulting particulate solids with a concentrated aqueous solution of a monohydric alcohol for the extraction of oil.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: November 16, 1982
    Assignee: Dravo Corporation
    Inventors: George B. Karnofsky, Roger J. Hansotte
  • Process and apparatus for desolventizing and drying solvent wet materials
    Patent number: 4332092
    Abstract: There is a disclosed a process and apparatus wherein a solvent-enriched material is introduced into a desolventizer-toaster tower to form a desolventized material which is introduced into a dryer and heated in the absence of air to form a dried material and a vapor steam including solvent which is compressed and passed to the desolventizer-toaster tower to provide all or a portion of the sparger steam requirements therefor.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: June 1, 1982
    Assignee: Dravco Corporation
    Inventor: Roger J. Hansotte