Granted Patent
Utility
US 6,180,832 · App. 09/321,288
Preparation of peroxyketals
Inventors:
Peter Frenkel, Ted M. Pettijohn
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: May 27, 1999
Inventors
Peter Frenkel
Ted M. Pettijohn
Assignee (at issue)
Crompton Corporation
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.