Granted Patent
Utility
US 6,348,606 · App. 09/764,016
Cyclic dienol ethers
Inventors:
Bruno Burdet, August Ruttimann
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Jan 17, 2001
Inventors
Bruno Burdet
August Ruttimann
Assignee (at issue)
Roche Vitamins Inc.
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.