Granted Patent
Utility
US 5,071,814 · App. 07/497,299
Process for producing molybdenum bismuth-containing metal oxide catalyst
Inventors:
Yutaka Sasaki, Kunio Mori, Kiyoshi Moriya
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Mar 22, 1990
Inventors
Yutaka Sasaki
Kunio Mori
Kiyoshi Moriya
Assignee (at issue)
Nitto Chemical Industry 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.