This disclosure concerns methods for formation of a novel PBI asymmetric hollow fiber
membrane and its application for gas separations, gas/vapor separations, gas/liquid …

A polyimide precursor composition includes a solvent mixture containing an alcohol solvent
and a water-insoluble solvent that is at least one selected from the solvent group consisting …

The invention provides methods for preparing an asymmetric hollow fiber, the asymmetric
hollow fibers prepared by such methods, and uses of the asymmetric hollow fibers. One …

5,178,940 A 5,202,411 A 5,234,471 A 5,318,116 A 5,391,219 A 5,413,852 A 5,591,250 A
5,725,633 A 5,759,442 A 5,817,165 A 6,383,258 B1 6,565,626 B1 6,709,491 B2 6,790,263 …

Compositions of and methods for separating components of a natural gas stream are
disclosed. In one embodiment, the method includes receiving an inlet stream comprising …

In a device for separating methane from a gas mixture containing methane, carbon dioxide
and hydrogen sulfide, comprising a gas compressor, two or three membrane separation …

Co-polyimide membranes for separating components of sour natural gas including at least
three distinct moieties polymerized together, the moieties including a 2, 2′-bis (3, 4 …

Co-polyimide membranes for separating components of sour natural gas including at least
three distinct moieties polymerized together, the moieties including a 2, 2′-bis (3, 4 …

VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1, 3-dioxo-2-benzofuran-5-carbonyl)-2-
benzofuran-1, 3-dione Chemical compound C1= C2C (= O) OC (= O) C2= CC (C (C= 2C …

The present invention deals with a method for obtaining membranes in the form of hollow
fibers with application in the field of carbon dioxide removal from natural gas. The …