Patents Assigned to Creativity Technologies Group, Inc.
  • Method of activating n-methyl-2-pyrrolidone (NMP) and/or delta-butyrolactone (BLO) varnish and paint remover solvents
    Patent number: 5098592
    Abstract: A method is provided herein which is particularly effective for removing or stripping varnish and paint from surfaces such as wood or metal which comprises activating NMP and/or BLO with about 1-30% by weight of an activator compound which is ethyl 3-ethoxypropionate (EEP).
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: March 24, 1992
    Assignee: Creative Technologies Group, Inc.
    Inventors: Kolazi S. Narayanan, Frank Fusiak
  • Method of activating acidified NMP to provide an effective paint remover composition
    Patent number: 5049300
    Abstract: Acidified N-methyl-2-pyrrolidone (NMP) is activated with 1-20% by weight of ethyl 3-ethoxypropionate (EEP) to provide an effective composition for removal of both uncured and cured paints from wood and metal surfaces.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: September 17, 1991
    Assignee: Creativity Technologies Group, Inc.
    Inventors: Frank Fusiak, Kolazi S. Narayanan