IP Library › Granted Patent US 4,495,338
Granted Patent Utility
US 4,495,338 · App. 06/190,375

Components of catalysts for the polymerization of olefins

Inventors: Adolfo Mayr, Ermanno Susa, Ettore Giachetti
Patented Case View Patent ↗
Granted: Jan 22, 1985 Filed: Sep 24, 1980
Inventors
Adolfo Mayr
Ermanno Susa
Ettore Giachetti
Assignee (at issue)
Montecatini Edison S.p.A.

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 4,495,338
App. No.
06/190,375
Filed
1980-09-24
Granted
1985-01-22
Kind
A