US 11,745,146 B2
Method for biological or biomimetic channel-based membrane fabrications using layer-by-layer structure
Manish Kumar, State College, PA (US); Yue-Xiao Shen, Berkeley, CA (US); Woochul Song, State College, PA (US); and Tingwei Ren, State College, PA (US)
Assigned to THE PENN STATE RESEARCH FOUNDATION, University Park, PA (US)
Filed by THE PENN STATE RESEARCH FOUNDATION, University Park, PA (US)
Filed on Sep. 23, 2021, as Appl. No. 17/448,607.
Application 17/448,607 is a continuation of application No. 16/414,330, filed on May 16, 2019, granted, now 11,154,822.
Claims priority of provisional application 62/672,351, filed on May 16, 2018.
Prior Publication US 2022/0080364 A1, Mar. 17, 2022
Int. Cl. B01D 69/12 (2006.01); B01D 67/00 (2006.01); B01D 71/82 (2006.01); B01D 69/10 (2006.01); B01D 69/14 (2006.01); B01D 71/60 (2006.01); B01D 71/80 (2006.01); B01D 69/02 (2006.01)
CPC B01D 69/12 (2013.01) [B01D 67/0006 (2013.01); B01D 67/0093 (2013.01); B01D 69/02 (2013.01); B01D 69/105 (2013.01); B01D 69/125 (2013.01); B01D 69/1216 (2022.08); B01D 69/144 (2013.01); B01D 71/60 (2013.01); B01D 71/80 (2013.01); B01D 71/82 (2013.01); B01D 2323/30 (2013.01); B01D 2323/345 (2013.01); B01D 2325/14 (2013.01); B01D 2325/16 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A membrane composition comprising:
a porous support having a plurality of pores, wherein the porous support has a negatively charged surface;
one or more positively charged layers comprising a positively charged polymer; and
one or more negatively charged layers comprising a nanosheet, wherein the nanosheet comprises a channel and a polymer functionalized with a negatively charged component.