Granted Patent
Utility
US 6,444,861 · App. 09/978,718
Process for the cleavage of alkylaryl hydroperoxides
Inventors:
Uwe Tanger, Manfred Weber
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Oct 18, 2001
Inventors
Uwe Tanger
Manfred Weber
Assignee (at issue)
Phenolchemie GmbH & Co. KG
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.