Patent ID: 6210600
Filing Date: 2001-04-03
Classification: C11D

Abstract:
A method of rinsing tableware in a machine dishwasher with a rinse aid composition useful for inhibiting scale comprising the steps of:(a) preparing a rinse aid composition comprising(i) an effective amount of a polymer consisting of about 50 wt. % to about 99% by weight of an olefinically unsaturated carboxylic acid monomer and about 1 wt. % to about 50 wt. % of at least one monomer unit selected from the group consisting of copolymerizable sulfonated monomers, N-vinyl pyrrolidone, acrylamides and mixtures thereof, and(ii) water; andb) introducing the rinse aid composition into a rinse cycle of a machine dishwasher to inhibit scale formation.