Patents Assigned to Verona Inc.
  • Hardwood floor cleaner composition
    Patent number: 5409639
    Abstract: A hardwood floor cleaner composition is provided which is non-tacky, and cleans and shines in one-step, is free of silicones, does not dull the wood surface. The composition comprises (a) about 0.1-5%, preferably 0.2-2%, of a C.sub.6 -C.sub.24 alkyl pyrrolidone, preferably N-octyl-pyrrolidone; (b) about 0.1-5%, preferably 0.2-1%, of an anionic or nonionic surfactant, preferably sodium dodecyl sulfate; (c) about 1-5%, preferably 2-4%, of a shine booster, preferably a vinylpyrrolidone copolymer, such as vinylpyrrolidone-dimethylaminoethyl methacrylate (Gafquat.RTM. 755-N - ISP); and (d) about 0.5-2%, preferably 0.8-1.5%, of a film-former, for example, an acrylic emulsion, preferably Esi-Cryl.RTM. 405 (Emulsion Systems Inc.), which is 2-methyl-2-propenoic acid, copolymer with ethyl-2-propenoate, methyl-2-methyl propenoate and 2-propenoic acid, and (e) about 85-95%, preferably 88-93%, of water, or an alcohol, or mixtures thereof, by weight of the composition.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: April 25, 1995
    Assignee: Verona Inc.
    Inventors: Frank Fusiak, Kolazi S. Narayanan
  • Acicified NMP compositions stabilized with respect to color formation therein
    Patent number: 5254282
    Abstract: Acidified NMP is stabilized against color formation by including a chelating agent in the composition.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: October 19, 1993
    Assignee: Verona Inc.
    Inventor: Frank Fusiak
  • Method of activating .alpha.-butyrolactone (BLO) with ethyl 3-ethoxypropionate (EEP) to provide improved varnish and paint remover solvents
    Patent number: 5217640
    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 11, 1991
    Date of Patent: June 8, 1993
    Assignee: Verona Inc.
    Inventors: Kolazi S. Narayanan, Frank Fusiak
  • Method of activating N-methyl-2-pyrrolidone (NMP) with ethyl 3-ethoxypropionate (EEP) to provide improved varnish and paint remover solvents
    Patent number: 5154848
    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 11, 1991
    Date of Patent: October 13, 1992
    Assignee: Verona Inc.
    Inventors: Kolazi S. Narayanan, Frank Fusiak