Patents by Inventor Philip Sweeny

Philip Sweeny 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 for removal of biofilm
    Publication number: 20060049119
    Abstract: The present invention provides a method for the removal of biofilm, flocculent bulked sludge or bulked biologically active sludge from an aqueous system. The method involves adding one or more chlorinated hydantoins, such as dichloro- or monochlorodialkylhydantoin, to the aqueous system. Alternatively, the chlorinated hydantoin may be formed in situ by adding a chlorine source and an alkylated hydantoin separately to the aqueous system.
    Type: Application
    Filed: June 6, 2003
    Publication date: March 9, 2006
    Applicant: Lonza Inc.
    Inventors: Michael Ludensky, Philip Sweeny