Patents by Inventor Candace Michele Stipe

Candace Michele Stipe 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).

  • Copolyester compositions containing carbon black
    Patent number: 5643991
    Abstract: This invention relates to a blend comprising:(a) one or more substantially amorphous copolyester resins having a degree of crystallinity of less than 20 percent;(b) from about 5 to about 25 weight percent carbon black; and(c) from about 7 to about 30 weight percent of an impact modifier,wherein the total of the weight percentages of (a), (b), and (c) equal 100 percent.This invention is advantageous in that it provides the advantages of good electroconductivity, lack of brittleness, ability to thermoform into desired shapes, good impact strength, good sealing characteristics and acceptable environmental image.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: July 1, 1997
    Assignee: Eastman Chemical Company
    Inventors: Candace Michele Stipe, Scott Arnold Hanson, Richard Leon McConnell