Granted Patent
Utility
US 5,130,242 · App. 07/580,778
Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids
Inventor:
William R. Barclay
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Sep 11, 1990
Inventor
William R. Barclay
Assignee (at issue)
Phycotech, 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.