Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1986-08-18
1988-11-01
Fisher, Richard V.
Liquid purification or separation
Processes
Ion exchange or selective sorption
2105021, 210905, 210908, 502 5, 502402, 521 53, 521140, 521149, 521150, B01D 1500, C08G 1810
Patent
active
047818387
ABSTRACT:
This support is constituted by a crosslinked polyvinyl alcohol hydrogel, whereof at least part of the --OH groups have been replaced by --OSO.sub.3 H groups. The crosslinked polyvinyl alcohol hydrogel comprises 70 to 95% by weight of chains derived from polyvinyl alcohol and 5 to 30% by weight of chains derived from crosslinking monomers, such as triethylene glycol diacrylate and tetraethylene glycol triacrylate.
These supports can be used for the ex-vivo purification of the blood plasma in pocket 31 or 33.
REFERENCES:
patent: 4314032 (1982-02-01), Murayama et al.
patent: 4423184 (1983-12-01), Kopolow et al.
patent: 4430229 (1984-02-01), Yamawaki et al.
patent: 4432871 (1984-02-01), Yamawaki et al.
patent: 4576927 (1986-03-01), Kuroda et al.
patent: 4576928 (1986-03-01), Tani et al.
patent: 4654420 (1987-03-01), Furuyoshi et al.
patent: 4721572 (1988-01-01), Jordan
Journal of Polymer Science: Part A vol. 3, pp. 3405-3512 (1965) Bruce A. Bernstein et al., Radiation Crosslinking of Nylon 66 and Poly (vinyl Alcohol).
Crassous Genevieve
Duval Dominique
Gaussens Gilbert
Hours Sylvaine
Nicaise Maryvonne
Commissariat a l''Energie Atomique
Fisher Richard V.
Jones W. Gary
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