Granted Patent
Utility
US 5,112,580 · App. 07/525,724
Reactor for the production of chlorine
Inventors:
Masanobu Ajioka, Shinji Takenaka, Hiroyuki Itoh, Masafumi Kataita, Yoshitsugu Kohno
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: May 21, 1990
Inventors
Masanobu Ajioka
Shinji Takenaka
Hiroyuki Itoh
Masafumi Kataita
Yoshitsugu Kohno
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.