Granted Patent
Utility
US 5,100,397 · App. 07/365,967
Absorbent mixture
Inventors:
John Poccia, Kevin J. Ovans, Heinz A. Pieniak
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Jun 14, 1989
Inventors
John Poccia
Kevin J. Ovans
Heinz A. Pieniak
Assignee (at issue)
McNeil-PPC, Inc.
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.