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:
Dec. 26, 2006
Filed:
Jun. 29, 2006
Applicant:
Richard S. Dennis, Tampa, FL (US);
Inventor:
Richard S. Dennis, Tampa, FL (US);
Assignee:
Severn Trent Water Purification, Inc., Colmar, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The method for removing silicon dioxide from a contaminant-removal media bed comprises adding a scrub solution containing an acidic solution of sodium fluoride to a media bed containing silicon dioxide. The scrub solution is allowed to remove the silicon dioxide before the scrub solution is removed from the bed.