Patents by Inventor Edward Lester Little

Edward Lester Little 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 composition comprising chemically modified carbon black and their applications
    Patent number: 5708055
    Abstract: What is disclosed is an improved thermoplastic composition for use in wire and cable manufacturing processes, which features the use of from about 15 to 45 percentage by weight of a modified furnace carbon black having a specific surface area of from about 35 to 250 m.sup.2 /g, preferably 35 to 60 m.sup.2 /g, as measured by the nitrogen adsorption surface area method. The modified carbon black is prepared by combining the carbon black with a specified amount of amine, under certain conditions, and heating the reactive mixture for an extended period.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: January 13, 1998
    Assignee: Columbian Chemicals Company
    Inventors: George Alfred Joyce, Edward Lester Little