Granted Patent
Utility
US 5,789,239 · App. 08/759,492
Composition and process for the avoidance of slime formation and/or for the removal of biofilm in water-bearing systems
Inventors:
Mark Emile Eyers, Kristine Laura Ignatius Van Pee, Jozef Van Poele, Jurgen Friedrich Schuetz, Achim Schenker
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Dec 4, 1996
Inventors
Mark Emile Eyers
Kristine Laura Ignatius Van Pee
Jozef Van Poele
Jurgen Friedrich Schuetz
Achim Schenker
Assignee (at issue)
Betzdearborn, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.