Granted Patent
Utility
US 4,368,265 · App. 06/237,544
Culturing a strain of nocardia to produce antibiotic X-14868A
Inventors:
Chao-Min Liu, Barbara Prosser, John Westley
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Feb 23, 1981
Inventors
Chao-Min Liu
Barbara Prosser
John Westley
Assignee (at issue)
HOFFMANN-LA ROCHE 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.