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:
Jan. 06, 2004
Filed:
Oct. 31, 2001
Applicant:
Inventors:
Takaaki Maekawa, Ibaraki, JP;
Mitsuaki Kuroshima, Ibaraki, JP;
Assignee:
Japan Science and Technology Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/28 ;
U.S. Cl.
CPC ...
C02F 3/28 ;
Abstract
A magnetic sludge which is suitable for use in waste water treatment, is easy to prepare, contains microbes and interacts with a magnetic field; and a method for treating waste water with improved efficiency comprising employing a biological membrane which uses the magnetic sludge and hence is easy to control its movement.