Granted Patent
Utility
US 4,196,198 · App. 05/874,306
Antibiotic BM123-alkyl sulfate complexes
Inventors:
Martin Tobkes, Murray Dann
Patented Case
View Patent ↗
Granted: Apr 1, 1980
Filed: Feb 2, 1978
Inventors
Martin Tobkes
Murray Dann
Assignee (at issue)
American Cyanamid Company
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.