The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2009
Filed:
Nov. 30, 2004
Nathan D. Peitersen, Richfield, MN (US);
Robert D. Hei, Baldwin, WI (US);
Richard K. Staub, Apple Valley, MN (US);
Rick O. Ruhr, Buffalo, MN (US);
Nathan D. Peitersen, Richfield, MN (US);
Robert D. Hei, Baldwin, WI (US);
Richard K. Staub, Apple Valley, MN (US);
Rick O. Ruhr, Buffalo, MN (US);
Ecolab Inc., St. Paul, MN (US);
Abstract
The invention relates to methods and compositions for removing metal oxide soils from surfaces. The compositions include an anionic surfactant and a pH adjuster at an acidic pH. In one embodiment, the invention relates to a method of removing a metal oxide soil from a surface by (1) applying a use composition to the surface, the use composition having a pH adjuster in an amount sufficient to provide a use pH at or below 7, an anionic surfactant in an amount to remove a portion of the metal oxide soil, and a carrier, (2) removing the metal oxide soil from the surface with the use composition, and (3) rinsing the surface to remove the use composition and the metal oxide soil.