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:
Sep. 15, 2026
Filed:
Sep. 07, 2021
Dowa Eco-system Co., Ltd., Tokyo, JP;
Chihiro Nishikawa, Tokyo, JP;
Yoshihiro Honma, Tokyo, JP;
Ryoei Watanabe, Tokyo, JP;
Masataka Yamashita, Tokyo, JP;
Youichi Fukuchi, Tokyo, JP;
Tomotaka Izumi, Tokyo, JP;
Yoshiki Ito, Tokyo, JP;
DOWA ECO-SYSTEM CO., LTD., Tokyo, JP;
Abstract
A method for recovering a valuable substance is provided. The method includes a thermal treatment step of thermally treating a target, which contains a valuable substance and is stored in a target storing unit, via a flame blocking unit configured to block a flame for thermally treating the target such that the target storing unit is not contacted by the flame, and a valuable substance recovering step of recovering the valuable substance from a thermally treated product of the target obtained in the thermal treatment step.