Granted Patent
Utility
US 5,964,951 · App. 08/996,510
Rinsing solution
Inventors:
Kenji Yamamoto, Akihiko Igawa
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Dec 23, 1997
Inventors
Kenji Yamamoto
Akihiko Igawa
Assignee (at issue)
CLARIANT INTERNATIONAL LTD
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.