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. 21, 1999
Filed:
Jul. 02, 1997
Applicant:
Inventor:
William G England, Suwanee, GA (US);
Assignee:
Purafil, Inc., Norcross, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423230 ; 422-5 ; 95136 ; 210758 ;
Abstract
An improved filtration media, method of preparing the media, and method of treating a fluid stream with the media are disclosed. The improved media comprises a substrate having elevated levels of permanganate and water in one embodiment. More specifically, the improved media comprises a porous substrate impregnated with at least approximately 5% permanganate, and at least approximately 10% water, by weight. In another embodiment, the media further comprises sodium bicarbonate. Improved efficiency of removal of undesirable compounds such as hydrogen sulfide is achieved.