Granted Patent
Utility
US 6,780,576 · App. 10/601,788
Surfactants
Inventors:
Etienne Van Thillo, Johan Loccufier, Hartwig Andries
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Jun 23, 2003
Inventors
Etienne Van Thillo
Johan Loccufier
Hartwig Andries
Assignee (at issue)
Agfa-Gevaert NV
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.