Granted Patent
Utility
US 4,496,479 · App. 06/495,851
Chloramphenicol derivatives, antigens and antibodies
Inventors:
Mae W. Hu, Prithipal Singh
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: May 18, 1983
Inventors
Mae W. Hu
Prithipal Singh
Assignee (at issue)
Syntex (U.S.A.) LLC
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.