Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-d

Details Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-d Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-d

1976-08-10

1978-01-17

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210321R, 210500M, B01D 3900, C08J 518, C08L 7904

Patent

active

040692159

ABSTRACT:
Semipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-diones for separating or enriching organic sulphonates by the method of inverse osmosis or ultrafiltration.

REFERENCES:
patent: 3016368 (1962-01-01), Gallagher
patent: 3379686 (1968-04-01), Bottenbruch et al.
patent: 3510454 (1970-05-01), Bottenbruch et al.
patent: 3541048 (1970-11-01), Binsack et al.
patent: 3839283 (1974-10-01), Binsack
patent: 3960821 (1976-06-01), Vogt et al.
patent: 3970630 (1976-07-01), Cohen et al.
patent: 3998871 (1976-12-01), Carlson

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