Patents by Inventor Stephen Cedric Cohen

Stephen Cedric Cohen 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).

  • White oil extrusion lubricant
    Patent number: 6663931
    Abstract: The invention pertains to the use of a white oil having a select viscosity as an extrusion lubricant for PVC, including PVC potable water pipe.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: December 16, 2003
    Assignee: Crompton Corporation & Petro-Canada
    Inventor: Stephen Cedric Cohen
  • White oil extrusion lubricant
    Publication number: 20020034599
    Abstract: The invention pertains to the use of a white oil having a select viscosity as an extrusion lubricant for PVC, including PVC potable water pipe.
    Type: Application
    Filed: June 7, 2001
    Publication date: March 21, 2002
    Inventor: Stephen Cedric Cohen