Patents by Inventor May W. Wu

May W. Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of monitoring biofouling in membrane separation systems
    Publication number: 20040203088
    Abstract: Methods for monitoring and controlling biofouling in membrane separation systems are provided. The present invention uses measurable amounts of fluorogenic agent(s) added to a feed stream to monitor and control the level of microbial growth during membrane separation and, thus, the purification of such feed stream during membrane separation.
    Type: Application
    Filed: December 18, 2003
    Publication date: October 14, 2004
    Inventors: Bosco P. Ho, May W. Wu, E.H. Kelle Zeiher, Mita Chattoraj
  • Method of monitoring biofouling in membrane separation systems
    Publication number: 20040115757
    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.
    Type: Application
    Filed: November 25, 2003
    Publication date: June 17, 2004
    Inventors: Bosco P. Ho, May W. Wu, E. H. Kelle Zeiher, Mita Chattoraj
  • Method of monitoring biofouling in membrane separation systems
    Patent number: 6699684
    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.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: March 2, 2004
    Assignee: Nalco Company
    Inventors: Bosco P. Ho, May W. Wu, E. H. Kelle Zeiher, Mita Chattoraj
  • METHOD OF MONITORING BIOFOULING IN MEMBRANE SEPARATION SYSTEMS
    Publication number: 20040018583
    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.
    Type: Application
    Filed: July 23, 2002
    Publication date: January 29, 2004
    Inventors: Bosco P. Ho, May W. Wu, E. H. Kelle Zeiher, Mita Chattoraj