Patents by Inventor by Ester H. Mark, legal representive

by Ester H. Mark, legal representive 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).

  • Polycarbonate exhibiting improved impact properties containing divalent residue of polymerized, partially hydrogenated conjugated alkadiene monomer
    Patent number: 4677183
    Abstract: High molecular weight thermoplastic aromatic carbonate resin exhibiting improved impact properties comprised of the polymerized reaction products of:(i) at least one dihydric phenol;(ii) a carbonate precursor; and(iii) an amount effective to improve the impact properties of said resin of at least one polymer represented by the formula ##STR1## wherein A represents a divalent residue of at least one polymerized and partially hydrogenated conjugated alkadiene monomer and has a weight average molecular weight of at least about 600, and X is independently selected from halogen radicals.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: June 30, 1987
    Assignee: General Electric Company
    Inventors: Victor Mark, deceased, by Ester H. Mark, legal representive, Edward N. Peters