Granted Patent
Utility
US 4,535,153 · App. 06/587,736
Heteropolysaccharide S-88
Inventors:
Kenneth S. Kang, George T. Veeder, III
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Mar 8, 1984
Inventors
Kenneth S. Kang
George T. Veeder, III
Assignee (at issue)
MERCK & CO., 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.