Patents Assigned to Optima Specialty Chemicals & Technology Inc.
  • High solids black liquor of reduced viscosity and viscosity reduction method for high solids black liquor
    Patent number: 5527427
    Abstract: A high solids black liquor which has solids content of at least 65% by weight of liquor is mixed with a viscosity reducing additive prior to firing in a chemical recovery furnace. The additive is an admixed compound consisting of monoethylene glycol, diethylene glycol and triethylene glycol.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: June 18, 1996
    Assignee: Optima Specialty Chemicals & Technology Inc.
    Inventors: Mualla Berksoy, Yaman Boluk