Granted Patent
Utility
US 4,297,518 · App. 05/852,923
Decomposition of cumene hydroperoxide with a homogeneous catalyst
Inventors:
Ching-Yong Wu, Wayne R. Pretzer, Thaddeus P. Kobylinski
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Nov 18, 1977
Inventors
Ching-Yong Wu
Wayne R. Pretzer
Thaddeus P. Kobylinski
Assignee (at issue)
Gulf Research & Development 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.