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:
Mar. 21, 2006
Filed:
Jul. 12, 2005
Michael A. Bridges, Seattle, WA (US);
Hiroyuki Kawai, Kirkland, WA (US);
Tay-yuan Chen, Bellevue, WA (US);
Everett J. Nichols, Edmonds, WA (US);
Jeffrey F. Williams, Langley, WA (US);
Steven Mcclure, Seattle, WA (US);
Jerry Wetherbee, Port Ludlow, WA (US);
Michael A. Bridges, Seattle, WA (US);
Hiroyuki Kawai, Kirkland, WA (US);
Tay-Yuan Chen, Bellevue, WA (US);
Everett J. Nichols, Edmonds, WA (US);
Jeffrey F. Williams, Langley, WA (US);
Steven McClure, Seattle, WA (US);
Jerry Wetherbee, Port Ludlow, WA (US);
Vanson Halosource, Inc., Redmond, WA (US);
Abstract
A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that flows in contact with the chlorinated polystyrene hydantoin beads, resulting in treated water suitable for drinking.