C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/641.6
C07C 29/76 (2006.01) B01D 61/36 (2006.01) B01D 69/12 (2006.01) B01D 71/38 (2006.01) C07C 31/10 (2006.01) C07C 45/81 (2006.01)
Patent
CA 1322764
ABSTRACT OF THE INVENTION D# 79,078-F) Concentration of aqueous solutions of isopropanol may be effected by a composite membrane including a glutaraldehyde cross-linked polyvinyl alcohol bonded to a porous layer of polysulfone on a polyester backing.
602474
Bartels Craig R.
Reale John Jr.
Bartels Craig R.
Reale John Jr.
Smart & Biggar
Texaco Development Corporation
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