Granted Patent
Utility
US 5,110,507 · App. 07/673,064
Method of separating and purifying spent solvent generated in nuclear fuel cycle
Inventors:
Katsuyuki Ohtsuka, Isao Kondo, Takashi Okada
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Mar 22, 1991
Inventors
Katsuyuki Ohtsuka
Isao Kondo
Takashi Okada
Assignee (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
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.