IP Library › Granted Patent US 5,296,600
Granted Patent Utility
US 5,296,600 · App. 07/824,106

Pyrrolopyrimidine derivatives, their production and use

Patented Case View Patent ↗
Granted: Mar 22, 1994 Filed: Jan 22, 1992
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 5,296,600
App. No.
07/824,106
Filed
1992-01-22
Granted
1994-03-22
Kind
A