Granted Patent
Utility
US 4,590,175 · App. 06/655,612
Process for the production of antimony-containing metal oxide catalysts
Inventors:
Yutaka Sasaki, Hiroshi Utsumi, Kunio Mori, Hiroshi Yamamoto, Yoshimi Nakamura, Kiyoshi Moriya, Akimitsu Morii, Mikio Noda, Miki Kunitani
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Sep 28, 1984
Inventors
Yutaka Sasaki
Hiroshi Utsumi
Kunio Mori
Hiroshi Yamamoto
Yoshimi Nakamura
Kiyoshi Moriya
Akimitsu Morii
Mikio Noda
Miki Kunitani
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.