Patents by Inventor Vincent J. Kwasniewski

Vincent J. Kwasniewski 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).

  • Unsaturated hydrocarbon separation and recovery process
    Patent number: 5863420
    Abstract: A process disclosed for the separation, purification and recovery of an unsaturated hydrocarbon from its mixture with at least one other material using a facilitated transport liquid membrane system.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: January 26, 1999
    Inventors: Vincent J. Kwasniewski, Narasimhan Calamur, Mark P. Kaminsky, John A. Mahoney, Charles G. Scouten, Richard A. Wilsak
  • Hair care compositions containing a rigid silicone polymer
    Patent number: 4902499
    Abstract: Hair care compositions which give both improved style retention and hair conditioning properties. The compositions comprise from about 0.01% to about 10% of a rigid silicone polymer and a volatile carrier.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: February 20, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Raymond E. Bolish, Jr., Daniel S. Cobb, Vincent J. Kwasniewski, Michael A. Snyder, David M. Stentz