Granted Patent
Utility
US 6,548,170 · App. 09/909,438
Treated water-insoluble solid particles, preparation and use
Inventors:
Eric Perrier, Lysiane Tholon, Nabil Abdul Malak
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 19, 2001
Inventors
Eric Perrier
Lysiane Tholon
Nabil Abdul Malak
Assignee (at issue)
Coletica
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.