Patents by Inventor James L. Carmine

James L. Carmine 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).

  • Naphthenic acid esters as dispensing agents for pigment additives and products incorporating same
    Patent number: 5437718
    Abstract: The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention also provides for, processes for the preparation thereof and coating and rubber compositions comprising same. The dispersing agents employed the present invention have been found to be particularly useful as dispersing agents for conductive carbon black and other pigments.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: August 1, 1995
    Assignee: Akzo Nobel N.V.
    Inventors: James L. Carmine, Rose A. Ryntz
  • Naphthenic acid esters as dispersing agents for pigment additives and products incorporating same
    Patent number: 5383965
    Abstract: The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention also provides for, processes for the preparation thereof and coating and rubber compositions comprising same.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: January 24, 1995
    Assignee: Akzo Nobel N.V.
    Inventors: James L. Carmine, Rose A. Ryntz