IP Library Granted Patent US 4,522,930
Granted Patent Utility
US 4,522,930 · App. 06/465,594

Components and catalysts for the polymerization of olefins

Inventors: Enrico Albizzati, Sandro Parodi, Pier C. Barbe
Patented Case View Patent ↗
Granted: Jun 11, 1985 Filed: Feb 10, 1983
Inventors
Enrico Albizzati
Sandro Parodi
Pier C. Barbe
Assignees (at issue)
Montedison S.p.A.
Mitsu Petrochemical Ind., 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 4,522,930
App. No.
06/465,594
Filed
1983-02-10
Granted
1985-06-11
Kind
A