Patents by Inventor Karl A. Schoenenberger

Karl A. Schoenenberger 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).

  • Patent number: 4125550
    Abstract: Certain anion exchange resins are used for the removal of free fatty acids from water immiscible fluids. This anion exchange system can function without the necessity of organic solvents and with the resin in a hydrous state.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: November 14, 1978
    Assignee: Rohm and Haas Company
    Inventors: Karl A. Schoenenberger, William Fries