Granted Patent
Utility
US 6,413,493 · App. 08/288,313
Process for producing P zeolite
Inventor:
Abraham Araya
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Aug 10, 1994
Inventor
Abraham Araya
Assignee (at issue)
Unilever Patent Holdings B.V.
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.