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:
Oct. 20, 1992
Filed:
Apr. 11, 1991
Applicant:
Inventors:
Munetoshi Yamaguchi, Takehara, JP;
Yoshinobu Nakamura, Takehara, JP;
Hirohisa Senzaki, Takehara, JP;
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429224 ; 204 96 ; 205 57 ;
Abstract
A method of manufacturing manganese dioxide containing 0.05 to 2.0 parts by weight of phosphorus which consists of introducing a manganese sulfate solution and sulfuric acid as an electrolyte into an electrolytic cell, adding to said electrolyte at least one member selected from the group consisting of phosphoric acid, phosphorous acid, hypophosphorous acid and compounds thereof and carrying out the electrolysis at a bath temperature of 92.degree. to 100.degree. C. whereby manganese dioxide containing phosphorus is electrodeposited on the cathode.