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. 07, 2015
Filed:
Jan. 03, 2013
Steven Rosenberg, Shorewood, MN (US);
Steven D. Jons, Eden Prairie, MN (US);
Joseph D. Koob, Jordan, MN (US);
Mou Paul, Edina, MN (US);
Xiaohua Qiu, Midland, MI (US);
Abhishek Roy, Edina, MN (US);
Chunming Zhang, Midland, MI (US);
Aman A. Desai, Midland, MI (US);
Steven Rosenberg, Shorewood, MN (US);
Steven D. Jons, Eden Prairie, MN (US);
Joseph D. Koob, Jordan, MN (US);
Mou Paul, Edina, MN (US);
XiaoHua Qiu, Midland, MI (US);
Abhishek Roy, Edina, MN (US);
Chunming Zhang, Midland, MI (US);
Aman A. Desai, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A method for making a composite polyamide membrane including 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 subject monomer comprising at least one carboxylic acid group linked to an aromatic moiety and wherein the aromatic moiety is further substituted with at least one of an acyl halide or anhydride functional group and ii) applying the subject monomer to the thin film polyamide layer. The invention includes many additional embodiments.