IP Library Granted Patent US 4,665,183
Granted Patent Utility
US 4,665,183 · App. 06/888,318

Process for preparing 6,7,8,9-tetrahydro-10-methylpyrido[1,2-a]indol-9-amines and derivatives thereof useful for the treatment of cognitive impairments

Inventors: Ivo L. Jirkovsky, Gary King, Reinhardt Baudy, Victor J. DeNoble
Patented Case View Patent ↗
Granted: May 12, 1987 Filed: Jul 18, 1986
Inventors
Ivo L. Jirkovsky
Gary King
Reinhardt Baudy
Victor J. DeNoble
Assignee (at issue)
Amerimas Home Products, 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.

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 4,665,183
App. No.
06/888,318
Filed
1986-07-18
Granted
1987-05-12
Kind
A