Granted Patent
Utility
US 6,034,191 · App. 09/216,875
Organic aluminoxy compound and catalyst for producing polymer
Inventors:
Tsuyoshi Kondoh, Shoji Naganuma, Norio Tomotsu
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Dec 21, 1998
Inventors
Tsuyoshi Kondoh
Shoji Naganuma
Norio Tomotsu
Assignee (at issue)
Idemitsu Petrochemical Co., Ltd.
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.