IP Library › Granted Patent US 5,116,893
Granted Patent Utility
US 5,116,893 · App. 07/638,609

Piperidylaminotriazine derivatives and their use as stabilizers

Inventors: Giuseppe Cantatore, Valerio Borzatta, Franca Masina
Patented Case View Patent ↗
Granted: May 26, 1992 Filed: Jan 7, 1991
Inventors
Giuseppe Cantatore
Valerio Borzatta
Franca Masina
Assignee (at issue)
Ciba-Geigy

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 5,116,893
App. No.
07/638,609
Filed
1991-01-07
Granted
1992-05-26
Kind
A