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:
Feb. 07, 2017
Filed:
Jun. 07, 2012
Radwan A. Alrasheed, San Jose, CA (US);
Blake W. Davis, Hollister, CA (US);
Jacquana T. Diep, San Jose, CA (US);
Geraud J. Dubois, Los Altos, CA (US);
Young-hye NA, San Jose, CA (US);
Majed S. Nassar, San Jose, CA (US);
Ankit Vora, San Jose, CA (US);
Radwan A. Alrasheed, San Jose, CA (US);
Blake W. Davis, Hollister, CA (US);
Jacquana T. Diep, San Jose, CA (US);
Geraud J. Dubois, Los Altos, CA (US);
Young-Hye Na, San Jose, CA (US);
Majed S. Nassar, San Jose, CA (US);
Ankit Vora, San Jose, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A thin film composite membrane includes an active layer on a support membrane, wherein the active layer includes at least two chemically distinct first and second crosslinked polyamide film sub-layers. The first film sub-layer includes a polyamide unit; and the second film sub-layer includes a copolyamide with two chemically distinct polyamide units. The first film sub-layer is closer to the support than is the second film sub-layer.