Patents by Inventor Sunil Satija

Sunil Satija 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).

  • Process for coloring thermoplastics
    Patent number: 5462709
    Abstract: An improved process for coloring polymethacrylates or polyglutarimides in an extruder includes admixing the molten thermoplastic, conveyed directly from the polymerization operation, in an extruder mixing zone with a dispersion of at least one pigment, dye, or colorant in a suitable clear carrier, then conveying the admixed colored thermoplastic into an extrusion zone or injection molding zone.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: October 31, 1995
    Assignee: Atohaas B.V.
    Inventors: Sunil Satija, Daniel M. Wade, Ronald C. Reynolds
  • Backseal extruder
    Patent number: 5358681
    Abstract: An extruder having a reduced nip ratio and a process employing the same.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: October 25, 1994
    Assignee: Rohm and Haas Company
    Inventors: Robert E. Jerman, Paul J. Raymond, Sunil Satija