Abstract: Liquid, caustic-free, pre-spotting compositions that remove baked-on food residues from hard surfaces at ambient temperatures are provided which comprise:a. from about 1 to 40%, preferably 4 to 20%, of a surfactant selected from the group consisting of anionic surfactants, nonionic surfactants and mixtures thereof;b. from about 1 to 10% of a builder selected from the group consisting of polyphosphates, pyrophosphates, citrates, carbonates, and mixtures thereof;c. from about 0.2% to 2% of an amine selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine and mixtures thereof;d. water; ande.
Type:
Grant
Filed:
May 18, 1990
Date of Patent:
April 7, 1992
Assignee:
Colgate Palmolive Co.
Inventors:
Shaw-Lin Han, Kuo-Yann Lai, Edward P. Duliba