Patents by Inventor Walter C. Kehm

Walter C. Kehm 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).

  • Blood fractionation process using block copolymers of ethylene oxide and polyoxypropylene
    Patent number: 4073886
    Abstract: A method of separating proteinaceous and lipid materials from blood serum and plasma which comprises selective precipitation with block copolymers of ethylene oxide and polyoxypropylene polymer.
    Type: Grant
    Filed: January 30, 1973
    Date of Patent: February 14, 1978
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventor: Walter C. Kehm