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. 02, 2004
Filed:
Jul. 23, 2002
Applicant:
Inventors:
Bosco P. Ho, Wheaton, IL (US);
May W. Wu, Lisle, IL (US);
E. H. Kelle Zeiher, Naperville, IL (US);
Mita Chattoraj, Warrenville, IL (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 1/00 ; A01N 1/02 ;
U.S. Cl.
CPC ...
A01N 1/00 ; A01N 1/02 ;
Abstract
Methods for monitoring and/or controlling biofouling in membrane separation systems are provided. The present invention utilizes measurable amounts of fluorogenic agent(s) added to a feed stream to monitor and/or control the level of microbial growth during membrane separation and, thus, the purification of such feed stream during membrane separation.