Granted Patent
Utility
US 6,730,774 · App. 10/129,591
Method and device for decontaminating polycondensates
Inventors:
Andreas Christel, Camille Borer, Thomas Hersperger
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Sep 4, 2002
Inventors
Andreas Christel
Camille Borer
Thomas Hersperger
Assignee (at issue)
Buehler AG
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.