Granted Patent
Utility
US 6,326,346 · App. 09/602,417
Stain removing compositions containing particular isolated and pure proteolytic enzymes
Inventors:
Jean E. Brenchley, Jennifer Loveland-Curtze, Kevin R. Gutshall, Vickie L. Humphrey
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Jun 23, 2000
Inventors
Jean E. Brenchley
Jennifer Loveland-Curtze
Kevin R. Gutshall
Vickie L. Humphrey
Assignees (at issue)
The Clorox Company
THE PENN STATE RESEARCH FOUNDATION
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.