Patents Examined by Philippe Dergkshan
  • Chemical flow stream separator
    Patent number: 5086949
    Abstract: An improved plural component dispensing apparatus having a chemical flow stream separator to ensure separation of the isocyanate and polyol plural components is disclosed to permit solventless operation and the cleaning by an aqueous cleaning medium followed by a gaseous drying purge stream to prevent the reaction of water and the isocyanate component.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: February 11, 1992
    Assignee: Olin Corporation
    Inventors: Anthony C. Vulpitta, William P. Dwyer, Thomas P. Patrosh