Granted Patent
Utility
US 4,398,005 · App. 06/401,628
Novel polymerization catalyst and process for using same to polymerize olefins
Inventors:
Harold E. Swift, Richard W. Lunden
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Jul 26, 1982
Inventors
Harold E. Swift
Richard W. Lunden
Assignee (at issue)
Gulf Research & Development Company
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.