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:
Mar. 10, 2015
Filed:
Mar. 05, 2010
Hideaki Ito, Nagoya, JP;
Takeshi Itakura, Nagoya, JP;
Yoshiharu Yamamoto, Toyama, JP;
Kazuo Sasaya, Toyama, JP;
Takuya Okuno, Itami, JP;
Fumiatsu Sato, Itami, JP;
Syunsuke Yamanaka, Itami, JP;
Akihiko Ikegaya, Itami, JP;
Hideaki Ito, Nagoya, JP;
Takeshi Itakura, Nagoya, JP;
Yoshiharu Yamamoto, Toyama, JP;
Kazuo Sasaya, Toyama, JP;
Takuya Okuno, Itami, JP;
Fumiatsu Sato, Itami, JP;
Syunsuke Yamanaka, Itami, JP;
Akihiko Ikegaya, Itami, JP;
National University Corporation Nagoya University, Nagoya-shi, JP;
A.L.M.T. Corp., Tokyo, JP;
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Sumitomo Electric Industries, Ltd., Osaki-shi, JP;
Abstract
A method for producing an ammonium tungstate aqueous solution includes the steps of: adding sulfuric acid to a solution containing tungstate ions; bringing the solution having the sulfuric acid added therein, into contact with an anion exchange resin; and bringing the anion exchange resin into contact with an aqueous solution containing ammonium ions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile