Patents Represented by Attorney Marta Delsignore
  • Patent number: 4772425
    Abstract: A stable, high foaming, light duty liquid abrasive-containing dishwashing composition containing about 3% to 15% by weight of a water insoluble, particulate, low density abrasive suspended in an aqueous vehicle comprising at least one water-soluble, anionic sulfated or sulfonated detergent salt containing an alkyl group or alkenyl group having from 8 to 20 carbon atoms in the molecule, a betaine foam booster, about 1-3% by weight of a substantially completely hydrated colloidal clay as a stabilizing agent and, optionally, about 2% to 9% of a C.sub.2 -C.sub.3 alcohol is disclosed. The presence of the abrasive greatly improves the cleaning efficacy in removing baked-on and/or dried-on food residues without significant scratching when used full strength.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: September 20, 1988
    Assignee: Colgate-Palmolive Company
    Inventors: William Chirash, Harold E. Crosier, Christopher R. Proulx