IP Library Granted Patent US 5,401,845
Granted Patent Utility
US 5,401,845 · App. 08/212,756

Asymmetric aryl phosphites

Inventors: Rita Pitteloud, Peter Hofmann, Rudolf Maul, Volker Schenk, Eduard Troxler, Horst Zinke
Patented Case View Patent ↗
Granted: Mar 28, 1995 Filed: Mar 11, 1994
Inventors
Rita Pitteloud
Peter Hofmann
Rudolf Maul
Volker Schenk
Eduard Troxler
Horst Zinke
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 5,401,845
App. No.
08/212,756
Filed
1994-03-11
Granted
1995-03-28
Kind
A