Patents by Inventor Steven J. List

Steven J. List 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).

  • Carbon blacks having low PAH amounts and methods of making same
    Patent number: 8710136
    Abstract: Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: April 29, 2014
    Assignee: Cabot Corporation
    Inventors: Irina S. Yurovskaya, William L. Sifleet, Steven J. List, Martin C. Green, Anand Prakash
  • Carbon Blacks Having Low PAH Amounts And Methods Of Making Same
    Publication number: 20110313094
    Abstract: Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration.
    Type: Application
    Filed: August 12, 2011
    Publication date: December 22, 2011
    Applicant: CABOT CORPORATION
    Inventors: Irina S. Yurovskaya, William L. Sifleet, Steven J. List, Martin C. Green, Anand Prakash
  • Carbon blacks having low PAH amounts and methods of making same
    Patent number: 8034316
    Abstract: Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration.
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: October 11, 2011
    Assignee: Cabot Corporation
    Inventors: Irina S. Yurovskaya, William L. Sifleet, Steven J. List, Martin C. Green, Anand Prakash
  • Carbon Blacks Having Low PAH Amounts and Methods of Making Same
    Publication number: 20080159947
    Abstract: Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration.
    Type: Application
    Filed: November 6, 2007
    Publication date: July 3, 2008
    Inventors: Irina S. Yurovskaya, William L. Sifleet, Steven J. List, Martin C. Green, Anand Prakash
  • Process for producing carbon black
    Patent number: 4879104
    Abstract: Disclosed is a process for producing carbon blacks which for a given surface area are characterized by having lower tinting strength and higher structure.
    Type: Grant
    Filed: June 16, 1987
    Date of Patent: November 7, 1989
    Assignee: Cabot Corporation
    Inventors: Steven J. List, Ronald C. Hurst