IP Library › Granted Patent US 5,248,764
Granted Patent Utility
US 5,248,764 · App. 07/842,753

Chelate derivatives of atrial natriuretic factor (ANF)

Inventors: Richard J. Flanagan, F. Peter Charleson
Patented Case View Patent ↗
Granted: Sep 28, 1993 Filed: Feb 27, 1992
Inventors
Richard J. Flanagan
F. Peter Charleson
Assignee (at issue)
Merck Frosst Canada Ltd.

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 5,248,764
App. No.
07/842,753
Filed
1992-02-27
Granted
1993-09-28
Kind
A