US 7,320,957 B2
Rinse-aid composition comprising a magnesium salt and zinc salt mixture
Anju Deepali Massey Brooker, Newcastle/Tync (United Kingdom); Harold Emmerson, Murcia (Spain); Andrew Paul Nelson, Newcastle/Tyne (United Kingdom); Eric San Jose Robles, Newcastle/Tyne (United Kingdom); and Brian Xiaoqing Song, Mason, Ohio (US)
Assigned to The Procter & Gamble Company, Cincinnati, Ohio (US)
Filed on Jan. 30, 2006, as Appl. No. 11/343,135.
Claims priority of provisional application 60/648575, filed on Jan. 31, 2005.
Prior Publication US 2006/0189508 A1, Aug. 24, 2006
Int. Cl. C11D 1/82 (2006.01); C11D 1/825 (2006.01); C11D 7/10 (2006.01)
U.S. Cl. 510—514  [510/220; 510/222; 510/227; 510/235; 510/432; 510/485; 510/508; 510/521; 510/525; 510/466] 8 Claims
 
1. A rinse-aid composition comprising a polyalkoxylated trisiloxane surfactant and a non-ionic solubilising system having a cloud point above room temperature, a mixture of a zinc salt and a magnesium salt and an acidifying agent wherein the rinse-aid composition has a pH of from about 1 to about 4.5 and the solubilising system and the trisiloxane surfactant are in a weight ratio of at least about 1:1.