Granted Patent
Utility
US 5,320,959 · App. 07/567,630
Liquid lipase from animal origin and method of preparation
Inventors:
James R. Peters, Jayarama K. Shetty, Donald B. Smith
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Aug 15, 1990
Inventors
James R. Peters
Jayarama K. Shetty
Donald B. Smith
Assignee (at issue)
Rhone-Poulenc, 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.