Patents by Inventor Ronald I. Markezich

Ronald I. Markezich 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).

  • Fire retardant thermoplastic polyester and polyesterether compositions
    Patent number: 4613651
    Abstract: Thermoplastic polyester and polyesterether compositions having improved flame retardance, smoke generation and heat aging, reduced blooming and superior high temperature processability comprise a thermoplastic polyester or polyesterether resin derived from 1,4-butanediol and dimethyl terephthalate, antimony oxide, optionally fiberglass, and a chlorinated bisimide of the formula ##STR1##
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: September 23, 1986
    Assignee: Occidental Chemical Corporation
    Inventor: Ronald I. Markezich