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:
May. 27, 2008
Filed:
Oct. 14, 2005
Carl William Erkenbrecher, Jr., Elkton, MD (US);
John Mark Longoria, Wilmington, DE (US);
Richard Alan Reynolds, Middletown, DE (US);
Jennifer C. Julian, Castro Valley, CA (US);
Malcolm Deleo, Livermore, CA (US);
Maria Garcia Ochomogo, Danville, CA (US);
Carl William Erkenbrecher, Jr., Elkton, MD (US);
John Mark Longoria, Wilmington, DE (US);
Richard Alan Reynolds, Middletown, DE (US);
Jennifer C. Julian, Castro Valley, CA (US);
Malcolm DeLeo, Livermore, CA (US);
Maria Garcia Ochomogo, Danville, CA (US);
The Clorox Company, Oakland, CA (US);
Abstract
A method to prevent deposits on a ceramic surface comprising: (1) pretreating the surface by applying an aqueous solution containing from about 200 ppm to about 1000 ppm by weight of an amphoteric fluorosurfactant, and (2) periodically applying an aqueous maintenance solution comprising from about 1 ppm to about 200 ppm of at least one of an amphoteric or cationic fluorosurfactant or a mixture thereof, from about 5 ppm to about 100 ppm of a sequestering acid, and from about 2.5 ppm to about 200 ppm of a quaternary ammonium biocide compound, wherein all concentrations are by weight of aqueous solution is disclosed.