Patents Assigned to A.G.P. Systems, Inc.
  • Cleaner for treating a surface
    Patent number: 5024780
    Abstract: The present cleaner removes graffiti, paint and other coatings, if any, from a surface. The cleaner comprises N-methylpyrrolidone; propylene carbonate; hydroxy propyl cellulose thixotropic thickening agent; an ingredient selected from the group consisting of diethylene glycol monoethyl ether acetate, dipropylene glycol monomethyl ether acetate, dipropylene glycol methyl ether, diethylene glycol ethyl ether and isocetyl alcohol; and a surfactant.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: June 18, 1991
    Assignee: A.G.P. Systems, Inc.
    Inventor: Cassius W. Leys