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. 13, 2011
Filed:
Jun. 01, 2005
Applicants:
Seong-hoon Yoon, Naperville, IL (US);
John H. Collins, Bloomingdale, IL (US);
Jeroen A. Koppes, Leiden, NL;
Ingmar H. Huisman, Delft, NL;
Inventors:
Seong-Hoon Yoon, Naperville, IL (US);
John H. Collins, Bloomingdale, IL (US);
Jeroen A. Koppes, Leiden, NL;
Ingmar H. Huisman, Delft, NL;
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention pertains to a method(s) of improving flux in a membrane bioreactor by adding an effective amount of catonic, amphoteric, and zwitterionic polymers, or a combination thereof. The membrane bioreactor impacted by the addition of these polymers is made up of a combination of anaerobic reactors, anoxic reactors, and aerobic reactors and anaerobic digesters.