Patents by Inventor Gary L. Marney

Gary L. Marney 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).

  • Apparatus for producing improved carbon blacks
    Patent number: 5593644
    Abstract: A new process and apparatus for producing carbon black is provided and unique reactor with separate carbon black forming reaction zones is described. The process utilizes such a reactor is to give unique carbon blacks which give rise to low hysteresis loss and good wear where used in rubber compounds for reinforcement and particularly in rubber tires.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 14, 1997
    Inventors: Don T. Norman, Gary L. Marney
  • Process for producing improved carbon blacks
    Patent number: 4988493
    Abstract: A new process and apparatus for producing carbon black is provided and unique reactor with separate carbon black forming reaction zones is described. The process utilizes such a reactor to give unique carbon blacks which give rise to low hysteresis loss and good wear when used in rubber compounds for reinforcement and particularly in rubber tires.
    Type: Grant
    Filed: November 4, 1987
    Date of Patent: January 29, 1991
    Assignee: Witco Corporation
    Inventors: Don T. Norman, Gary L. Marney