Granted Patent
Utility
US 6,175,027 · App. 09/373,735
Synthesis of bis (alkyl cyclopentadienyl) metallocenes
Inventors:
Jeffrey M. Sullivan, Richard D. Crawford, Albert A. Hummel
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Aug 13, 1999
Inventors
Jeffrey M. Sullivan
Richard D. Crawford
Albert A. Hummel
Assignee (at issue)
Boulder Scientific 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.