Patents by Inventor Bock H. Loo

Bock H. Loo 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).

  • Thermally stable rod-like polybenzobisthiazole polymers
    Patent number: 4225700
    Abstract: Thermally stable rod-like polymers comprised of poly {[benzo-(1,2-d:4,5-d')bisthiazole-2,6-diyl]-1,4-phenylene}, said polymers being referred to as "PBT" and having the structure ##STR1## wherein n has an average value of about 50 to 100, together with the monomeric compound 2,5-diamino-1,4-benzenedithiol dihydrochloride. Said polymers are useful in the preparation of high modulus, high strength materials having excellent thermal stability.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: September 30, 1980
    Assignee: SRI International
    Inventors: James F. Wolfe, Bock H. Loo