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:
Mar. 15, 2022
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Ryoichi Takada, Tokyo, JP;
Yuki Suga, Tokyo, JP;
Takahiro Osaki, Tokyo, JP;
Keitaro Suzumura, Tokyo, JP;
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for reducing the volume of a raw material liquid, the raw material liquid containing at least a valuable and a first solvent, wherein the raw material liquid further contains an accessory component other than the valuable and the first solvent, or contains a mixed solvent including the first solvent and a second solvent as a solvent, and the method for reducing the volume of the raw material liquid is performed by combining a first process in which the first solvent is removed from the raw material liquid and a second process in which the concentration of the second solvent or the accessory component is adjusted from the raw material liquid using a dialysis method with a dialysis membrane.