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:
Mar. 16, 2021
Filed:
Oct. 10, 2018
Applicant:
Qatar Foundation, Doha, QA;
Inventors:
Assignee:
QATAR FOUNDATION, Doha, QA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/02 (2006.01); B01D 67/00 (2006.01); B01D 71/56 (2006.01); B01D 71/08 (2006.01); C02F 1/44 (2006.01); B01D 69/12 (2006.01); B01D 61/08 (2006.01); B01D 69/02 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
B01D 61/025 (2013.01); B01D 67/0006 (2013.01); B01D 69/125 (2013.01); B01D 71/08 (2013.01); B01D 71/56 (2013.01); C02F 1/441 (2013.01); B01D 61/08 (2013.01); B01D 69/02 (2013.01); B01D 2323/40 (2013.01); B01D 2325/36 (2013.01); C02F 2103/08 (2013.01);
Abstract
A reverse osmosis membrane and a method for producing the composite reverse osmosis membrane are provided. The reverse osmosis membrane includes a first layer including a polyamide compound, and a second layer including acacia gum. The method includes steps of providing a trimesoyl chloride solution; adding acacia gum to the trimesoyl to form an organic solution; adding the organic solution to an m-phenylenediamine solution to form a mixture; and heating the mixture and rinsing the mixture.