Patents Represented by Attorney Davis S. Kalmhbaugh

Find this attorney in the Justia Lawyer Directory

  • Process for preparing a vinyl terminated polymer
    Patent number: 5952458
    Abstract: Synthesis of a vinyl terminated polymer by reacting a cationically polymerizable monomer in the form of a cyclic ether with an acid chloride in a suitable solvent and in the presence of a Lewis acid. The vinyl-terminated polymers can be polymerized with other appropriate monomers resulting in thermoplastic elastomers having suitable properties for use as binders for explosives and propellants.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: September 14, 1999
    Assignee: The Government of the United States as represented by the Secretary of the Navy
    Inventor: Mostafa A. H. Talukder