IP Library › Granted Patent US 4,801,588
Granted Patent Utility
US 4,801,588 · App. 07/073,438

Tetracyclic indole derivatives for treating hypertension

Inventors: Aldemio Temperilli, Rosanna Eccel, Enzo Brambilla, Patricia Salvati
Patented Case View Patent ↗
Granted: Jan 31, 1989 Filed: Jul 15, 1987
Inventors
Aldemio Temperilli
Rosanna Eccel
Enzo Brambilla
Patricia Salvati
Assignee (at issue)
Farmitalia Carlo Erba S.p.A.

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 4,801,588
App. No.
07/073,438
Filed
1987-07-15
Granted
1989-01-31
Kind
A