IP Library › Granted Patent US 5,583,141
Granted Patent Utility
US 5,583,141 · App. 08/291,435

Heterocyclic compounds and their use as angiotensin antagonists

Inventors: Takehiko Naka, Yoshiyuki Inada
Patented Case View Patent ↗
Granted: Dec 10, 1996 Filed: Aug 16, 1994
Inventors
Takehiko Naka
Yoshiyuki Inada
Assignee (at issue)
Takeda Chemical Industries 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 5,583,141
App. No.
08/291,435
Filed
1994-08-16
Granted
1996-12-10
Kind
A