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:
Apr. 06, 2021
Filed:
Mar. 08, 2016
Hitachi Chemical Company, Ltd., Tokyo, JP;
Kanako Ishihara, Tokyo, JP;
Kazuhito Kobayashi, Tokyo, JP;
SHOWA DENKO MATERIALS CO., LTD., Tokyo, JP;
Abstract
A method of recovering a decomposition product of a thermosetting resin cured product, the method includes a step of contacting an object to be treated, that contains a thermosetting resin cured product, with a treatment liquid containing an alkali metal compound and an alcohol solvent, to decompose and dissolve the thermosetting resin cured product; a step of mixing the treatment liquid, in which a decomposition product of the thermosetting resin cured product is dissolved, and an acidic aqueous solution to separate the mixture into an aqueous layer and an organic layer containing the decomposition product; and a step of recovering the organic layer.