C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
31/26, 195/71, 2
C08B 37/00 (2006.01) C09K 8/035 (2006.01) C09K 8/90 (2006.01) C12P 19/04 (2006.01) C12P 19/06 (2006.01)
Patent
CA 1173769
ABSTRACT Process for the concentration by ultrafiltration of a viscous, aqueous solution of a water-soluble polysaccharide, optionally in conjunction with a cell-lytic enzymatic treatment. The concentrate thus produced is convenient to transport and easily diluted to provide an aqueous polymer solution suitable for polymer flooding in enhanced oil recovery.
386345
Roest Jacob B.
Van Lookeren Campagne Constant J.
Shell Canada Limited
Smart & Biggar
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