Patents by Inventor Steven A. Voelkel

Steven A. Voelkel 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).

  • Cryopreservation process for direct transfer of embryos
    Patent number: 5160312
    Abstract: An improved cryopreservation of embryos has been developed. After freezing in a cryoprotective solution of ethylene glycol, glycerol or a combination thereof, the embryos can be thawed and transferred directly to the recipient animal without serial rehydration. The transfer can be made directly from the cryoprotective container to the recipient animal.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: November 3, 1992
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Steven A. Voelkel