Granted Patent
Utility
US 5,132,269 · App. 07/756,708
Iron-antimony-molybdenum-containing oxide catalyst composition and process for preparing the same
Inventors:
Yutaka Sasaki, Hiroshi Yamamoto, Koichi Mizutani, Kiyoshi Moriya, Kunio Mori
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Sep 9, 1991
Inventors
Yutaka Sasaki
Hiroshi Yamamoto
Koichi Mizutani
Kiyoshi Moriya
Kunio Mori
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.