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:
Sep. 07, 2010
Filed:
Feb. 15, 2006
Everett J. Nichols, Edmonds, WA (US);
Jeffrey F. Williams, Langley, WA (US);
James R. Scott, Bellevue, WA (US);
Christine M. Palczewski, Tallahassee, FL (US);
Everett J. Nichols, Edmonds, WA (US);
Jeffrey F. Williams, Langley, WA (US);
James R. Scott, Bellevue, WA (US);
Christine M. Palczewski, Tallahassee, FL (US);
HaloSource, Inc., Bothell, WA (US);
Abstract
A method for removing submicron colloidal particulates, such as hydrocarbons, from water. The method includes first adding a soluble, cationic polymer, such as chitosan, a salt, or solution of chitosan to water containing the submicron particulates and a halogenating agent, followed by adding a soluble, anionic polymer or anionic salt to the water. The resulting flocs are filtered to remove the submicron particulates.