Patents by Inventor Ann C. Udding

Ann C. Udding 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).

  • Thermoplastic rubber compositions
    Patent number: 4970268
    Abstract: Disclosed is a composition, a process for making the composition, and blends comprising the composition, wherein the composition comprises (a) an at least partially neutralized carboxylated ethylene-propylene rubber copolymer that is the reaction product of (i) a non-carboxylated ethylene-propylene rubber, (ii) an azidosulfonylbenzoic acid, and (iii) and a metal based neutralizing agent wherein: (1) the carboxylated copolymer is substantially free of olefinic unsaturation, and (2) the degree of neutralization of the carboxyl groups of the carboxylated copolymer is at least 50 percent, and (b) a zinc carboxylate.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: November 13, 1990
    Assignee: Shell Oil Company
    Inventor: Ann C. Udding