| US 7,610,647 B2 | ||
| Cleaning system | ||
| Terra J. Morgan, Hales Corners, Wis. (US); Kara E. Sturdy, Racine, Wis. (US); and Olivia M. Moodycliffe, Milwaukee, Wis. (US) | ||
| Assigned to S.C. Johnson & Son, Inc., Racine, Wis. (US) | ||
| Filed on May 13, 2005, as Appl. No. 11/129,132. | ||
| Claims priority of provisional application 60/606951, filed on Sep. 03, 2004. | ||
| Prior Publication US 2006/0048319 A1, Mar. 09, 2006 | ||
| Int. Cl. B08B 1/00 (2006.01) | ||
| U.S. Cl. 15—104.94 [15/244.1] | 15 Claims |
| 1. A multi-layer surface treating pad, comprising:
an upper layer suitable to serve as one part of a hook/loop type fastener system;
an interior layer comprising a mix of pulp and synthetic material that is impregnated with a liquid surface treating formula;
and
a lower layer which comprises an abrasive material;
wherein the pad is a cleaning pad and the formula comprises an acid; and
wherein when the pad is first wetted with water it can release a cleaning solution of at least 1 percent acid by weight, and
when that same pad is then wetted a second time with water it can still release a cleaning solution of at least 1 percent
acid by weight, and when that same pad is thereafter wetted a third time with water it can still release a cleaning solution
of at least 1 percent acid by weight.
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