Patents by Inventor Thomas O. Montelbano

Thomas O. Montelbano 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).

  • Synthesis of polyamic acid
    Patent number: 4269968
    Abstract: Polyamic acid having greatly increased adhesive ability is prepared by compacting a solid aromatic dianhydride to reduct its surface area to weight ratio and reacting the compacted dianhydride with a solution of an organic diamine in an inert non-aqueous solvent.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: May 26, 1981
    Assignee: International Business Machines Corporation
    Inventors: John Duran, Leo Missel, Thomas O. Montelbano