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. 26, 2016
Filed:
Jul. 17, 2012
Chunming Zhang, Midland, MI (US);
Aman A. Desai, Midland, MI (US);
Steven D. Jons, Eden Prairie, MN (US);
Mou Paul, Edina, MN (US);
Steven Rosenberg, Shorewood, MN (US);
Abhishek Roy, Edina, MN (US);
Xiaohua S. Qiu, Midland, MI (US);
Chunming Zhang, Midland, MI (US);
Aman A. Desai, Midland, MI (US);
Steven D. Jons, Eden Prairie, MN (US);
Mou Paul, Edina, MN (US);
Steven Rosenberg, Shorewood, MN (US);
Abhishek Roy, Edina, MN (US);
XiaoHua S. Qiu, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A method for making a composite polyamide membrane comprising the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a monomer comprising at least one phosphorous-containing functional group or salt thereof and an at least one amine-reactive functional group; and/or ii) applying such a monomer to the thin film polyamide layer.