Granted Patent
Utility
US 6,218,331 · App. 08/884,401
Polymer-supported catalyst for olefin polymerization
Inventors:
Anthony-Joseph DiMaio, Craig C. Meverden, Peter D. Becker
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jun 27, 1997
Inventors
Anthony-Joseph DiMaio
Craig C. Meverden
Peter D. Becker
Assignee (at issue)
Equistar Chemicals, LP
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.