Patents Assigned to Solar Chemical Corporation
  • High impact polystyrene resin
    Patent number: 4183878
    Abstract: Polystyrene resins of high impact are provided by graft copolymerization of styrene with elastomeric polymers of a diene monomer in the presence of a peroxy-free azo catalyst such as 1-cyano-(tert-butylazo) cyclohexane.
    Type: Grant
    Filed: July 26, 1978
    Date of Patent: January 15, 1980
    Assignee: Solar Chemical Corporation
    Inventors: Harry A. Biletch, Rodney Route, Jack Zomlefer