Granted Patent
Utility
US 6,790,920 · App. 10/242,209
Process for removal of silicon compounds from solvents by selective absorption
Inventors:
Zaida Diaz, Grant Wesley Haddix
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Sep 12, 2002
Inventors
Zaida Diaz
Grant Wesley Haddix
Assignee (at issue)
KRATON POLYMERS LLC
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.