Granted Patent
Utility
US 5,886,202 · App. 08/928,820
Bridged fluorenyl/indenyl metallocenes and the use thereof
Inventors:
Michael E. Jung, Helmut G. Alt, M. Bruce Welch
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Sep 12, 1997
Inventors
Michael E. Jung
Helmut G. Alt
M. Bruce Welch
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.