Granted Patent
Utility
US 6,180,376 · App. 08/983,250
Extraction of triglycerides from microorganisms
Inventor:
John Macdonald Liddell
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jan 20, 1998
Inventor
John Macdonald Liddell
Assignee (at issue)
Zeneca Limited
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.