Patents by Inventor Avrom I. Medalia

Avrom I. Medalia 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).

  • Easily dispersible carbon blacks
    Patent number: 5200164
    Abstract: Carbon blacks treated with a treating agent comprising at least one compound containing at least one long chain alkenyl or alkyl group and at least one amine group. Optionally, the compound contains at least one chemical group for linking the long chain alkenyl or alkyl group with the amine group. Also disclosed are ink compositions incorporating the treated carbon blacks and processes for preparing the compositions.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: April 6, 1993
    Assignee: Cabot Corporation
    Inventors: Avrom I. Medalia, Eva M. Breckner, James A. Belmont
  • Stabilized polypropylene compositions
    Patent number: 4391941
    Abstract: This disclosure relates to the use of certain heat-treated carbon blacks as stabilizers against the effects of degradation caused by visible and ultraviolet light in the preparation of polypropylene resin compositions containing conventional antioxidants which impart thermal stability to the polypropylene resin.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: July 5, 1983
    Assignee: Cabot Corporation
    Inventors: George R. Cotten, Avrom I. Medalia