abstract |
PCT No. PCT/US94/06339 Sec. 371 Date Dec. 12, 1995 Sec. 102(e) Date Dec. 12, 1995 PCT Filed Jun. 3, 1994 PCT Pub. No. WO94/29002 PCT Pub. Date Dec. 22, 1994A composite membrane made of an asymmetric porous support and an ultrathin layer having a thickness of less than 100 nm is provided. A method of making the membrane and method for carrying out gas separations using the membrane are also provided. |