Patents by Inventor Robert Hecker, Jr.

Robert Hecker, Jr. 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).

  • Continuous solution method
    Patent number: 5626422
    Abstract: A method is disclosed for preparing a homogeneous solution of a powder, particularly hard-to-wet polymer powders, which includes:(1) feeding simultaneously a powder and a liquid solvent for the powder to a high-speed in-line mixer minimizing contact between said powder and said liquid solvent before said powder and said liquid solvent enter said mixer;(2) mixing said powder and said liquid solvent in said mixer to form a dispersion of said powder in said liquid solvent; and(3) dissolving said dispersed powder in said solvent.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: May 6, 1997
    Assignee: Rohm and Haas Company
    Inventors: Joseph R. Adamo, Gloria M. Lipovsky, Robert Hecker, Jr., Leon D. Ranalli
  • Continuous solution method and apparatus
    Patent number: 5368385
    Abstract: A method is disclosed for preparing a homogeneous solution of a powder, Particularly hard-to-wet polymer powders, which includes:(1) feeding simultaneously a powder and a liquid solvent for the powder to a high-speed in-line mixer minimizing contact between said powder and said liquid solvent before said powder and said liquid solvent enter said mixer;(2) mixing said powder and said liquid solvent in said mixer to form a dispersion of said powder in said liquid solvent; and(3) dissolving said dispersed powder in said solvent.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: November 29, 1994
    Assignee: Rohm and Haas Company
    Inventors: Joseph R. Adamo, Gloria M. Lipovsky, Robert Hecker, Jr., Leon D. Ranalli