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:
Jul. 30, 2024
Filed:
Jan. 25, 2012
Chuyang Tang, Singapore, SG;
Changquan Qiu, Singapore, SG;
Jing Wei, Singapore, SG;
Rong Wang, Singapore, SG;
Anthony G. Fane, Singapore, SG;
Chuyang Tang, Singapore, SG;
Changquan Qiu, Singapore, SG;
Jing Wei, Singapore, SG;
Rong Wang, Singapore, SG;
Anthony G. Fane, Singapore, SG;
Nanyang Technological University, Singapore, SG;
Abstract
A method of forming a forward osmosis membrane having a porous substrate and a rejection layer is provided. The method comprises a) forming a thin film of a polymer solution on a suitable substrate, wherein the polymer solution contains at least one polymer and optionally one or more additives in a suitable solvent, b) immersing the thin film in a coagulant bath to form the porous substrate; and c) forming a rejection layer on the porous substrate. A forward osmosis membrane is also provided.