Granted Patent
Utility
US 6,723,385 · App. 10/129,705
Process for the preliminary treatment of copper surfaces
Inventors:
Udo Grieser, Heinrich Meyer, Uwe Hauf
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Sep 5, 2000
Inventors
Udo Grieser
Heinrich Meyer
Uwe Hauf
Assignee (at issue)
Atotech Deutschland GmbH
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.