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. 24, 2013
Filed:
Mar. 22, 2007
Applicant:
Shigeru Tanabe, Yokohama, JP;
Inventor:
Shigeru Tanabe, Yokohama, JP;
Assignee:
Dia-Nitrix Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F 17/00 (2006.01); B01D 21/00 (2006.01); B01D 21/01 (2006.01); B03D 1/002 (2006.01);
U.S. Cl.
CPC ...
Abstract
A water treatment method according to the present invention comprises adding an amphoteric polymer flocculant to polluted water to flocculate suspended solids so that the polluted water becomes treated water, and filtering the treated water. An inorganic flocculent can be added to the treated water after flocculation treatment before filtering the treated water.