Patents Examined by Anthony R. Walston
  • Coatings for solid propellants
    Patent number: 5600088
    Abstract: This invention relates to improved polyurea coating compositions for particluate solids, and especially for fillers which are useful in solid rocket propellants. The composition is a copolymer of a primary or secondary amine and 3-nitrazapentane diisocyanate.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: February 4, 1997
    Assignee: Aerojet General Corporation
    Inventor: Adolph E. Oberth