Granted Patent
Utility
US 6,291,699 · App. 09/379,803
2-alkyl-4-(2,6-dialkylphenyl) indenes
Inventors:
John M. Birmingham, Sandra E. Russo-Rodriguez
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Aug 24, 1999
Inventors
John M. Birmingham
Sandra E. Russo-Rodriguez
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.