The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2002
Filed:
Dec. 20, 2000
Applicant:
Inventors:
Assignee:
Mitsui Chemicals, Inc., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C25B 1/24 ;
U.S. Cl.
CPC ...
C25B 1/24 ;
Abstract
An electrode for electrolyzing an electrolyte comprising an ammonium fluoride (NH F)-hydrogen fluoride (HF)-containing molten salt and having a composition ratio (HF/NH F) of 1 to 3 to prepare a nitrogen trifluoride (NF ) gas and an electrolyte for use in the preparation of NF gas, and a preparation method of the NF gas by the use of the electrode and the electrolyte. The electrode comprises nickel having 0.07 wt % or less of Si content and containing a transition metal other than nickel. The electrolyte also contains a transition metal other than nickel.