US 7,491,262 B2
	Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same
Yong Soo Kang, Seoul (Korea, Republic of); Kook Heon Char, Seoul (Korea, Republic of); and Sang Wook Kang, Seoul (Korea, Republic of)
Assigned to Korea Institute of Science and Technology, Seoul (Korea, Republic of)
Filed on Nov. 29, 2005, as Appl. No. 11/290,889.
Claims priority of application No. 10-2005-0062641 (KR), filed on Jul. 12, 2005.
Prior Publication US 2007/0012189 A1, Jan. 18, 2007
Int. Cl. B01D 53/22 (2006.01)

U.S. Cl. 96—11  [96/4; 96/12; 96/13; 96/14; 95/45; 95/50; 427/595; 427/212; 427/216; 427/245; 427/372.2]

8 Claims

1. A nanocomposite membrane for separating an olefin from an olefin/paraffin mixture, comprising (i) a nanocomposite comprising surface-coated Ag-nanoparticles and a polymer, wherein the surface-coated Ag-nanoparticles are coated with a coating agent, and (ii) a porous membrane for supporting the nanocomposite.