Patents Examined by Christopher A. Henderson, Ir.
  • Age resistant polymers of ditertiary alkyl-4-hydroxyaryl acrylate and dienes
    Patent number: 3953402
    Abstract: Antioxidants such as 3,5-di tert.butyl-4-hydroxyphenyl acrylate and 3,5-di tert.butyl-4-hydroxyphenyl methacrylate, age resistant polymers having age resistors physically combined therewith and age resistant polymeric compositions prepared by emulsion free radical polymerization techniques involving the use of said age resistors as monomers.
    Type: Grant
    Filed: July 20, 1970
    Date of Patent: April 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Richard H. Kline