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. 29, 2025
Filed:
Jan. 10, 2020
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Tomotaka Hashimoto, Tokyo, JP;
Tomoya Anan, Tokyo, JP;
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Abstract
The purpose of the present invention is to provide: a membrane distillation module with excellent stability of water treatment ability over time as a result of wetting being controlled; and a membrane distillation apparatus comprising the same. Provided is a membrane distillation module that comprises a housing and multiple porous hollow fiber membranes, both ends of which are bonded and fixed to the housing, wherein: the water contact angle of the outer surfaces of the porous hollow fiber membranes is at least 90°; and a hydrophobic polymer adheres to at least some of the areas of the porous hollow fiber membranes that are not bonded and fixed.