Patents by Inventor Doulas G. Pedrotty

Doulas G. Pedrotty 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: 4268556
    Abstract: Rigid magnetic recording disk is lubricated by a thin coating of a fluorinated telechelic polyether polymer having at least one polar group such as --CONHCH.sub.2 CH.sub.2 OH, --COOCH.sub.3, --CONHCH.sub.2 C.sub.6 H.sub.5, and --COCF.sub.3 . The coating is surprisingly resistant to removal by commonly used cleaning agents.
    Type: Grant
    Filed: December 18, 1979
    Date of Patent: May 19, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Doulas G. Pedrotty