Granted Patent
Utility
US 6,749,849 · App. 09/972,550
Method for producing arachidonic acid
Inventor:
William R. Barclay
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Oct 5, 2001
Inventor
William R. Barclay
Assignee (at issue)
Martek Biosciences Corporation
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.