IP Library › Granted Patent US 5,057,540
Granted Patent Utility
US 5,057,540 · App. 07/573,268

Saponin adjuvant

Inventors: Charlotte A. Kensil, Dante J. Marciani
Patented Case View Patent ↗
Granted: Oct 15, 1991 Filed: Aug 27, 1990
Inventors
Charlotte A. Kensil
Dante J. Marciani
Assignee (at issue)
Cambridge Biotech Corporation

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,057,540
App. No.
07/573,268
Filed
1990-08-27
Granted
1991-10-15
Kind
A