Granted Patent
Utility
US 4,847,437 · App. 07/136,315
Oxidation and subsequent decomposition of dihydroperoxide
Inventor:
Ching-Yong Wu
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Dec 22, 1987
Inventor
Ching-Yong Wu
Assignee (at issue)
Indspec Chemical 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.