Semipermeable membranes based on specified...

Details Semipermeable membranes based on specified... Semipermeable membranes based on specified...

Category

B - Operations, Transporting

Subcategory

01

Subsubcategory

D

CPC

183/1, 18/12

IPC codes

B01D 71/48 (2006.01) B01D 53/22 (2006.01) B01D 69/00 (2006.01) C08G 63/682 (2006.01)

Type

Patent

Patent number

CA 2006588

Description

- 52 - SEMIPERMEABLE MEMBRANES BASED ON SPECIFIED TETRABROMOBISPHENOL TYPE POLYESTERS Abstract of the Invention Permeable membranes comprised predominantly of specifically defined tetrabromobisphenols and aromatic dicarboxylic acids. The invention also pertains to the novel permeation processes for recovery of an oxygen/nitrogen or carbon dioxide/methane component from a mixture of said component with other components. D-16101-2

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