Granted Patent
Utility
US 4,544,717 · App. 06/152,531
Polymerization catalysts
Inventors:
Adolfe Mayr, Ermanno Susa, Antonio Leccese, Velmore Davoli, Ettoro Giachetti
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: May 22, 1980
Inventors
Adolfe Mayr
Ermanno Susa
Antonio Leccese
Velmore Davoli
Ettoro 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.