Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1988-10-12
1990-03-20
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210259, B01D 1300
Patent
active
049099426
ABSTRACT:
Pyrogens are removed out of a solution thereof by (1) treating the solution with a membrane and then (2) treating the resulting solution with a pyrogen adsorbent. The obtained solution is useful in pharmaceutical fields.
REFERENCES:
patent: 4261834 (1981-04-01), de Winter
patent: 4412985 (1983-11-01), Shanbrom
patent: 4610790 (1986-09-01), Reti et al.
Ase Tomonobu
Honda Zenjiro
Kagotani Masahiro
Minobe Satoshi
Nagamatsu Shinji
Daicel Chemical Industries Ltd.
Spear Frank
Tanabe Seiyaku Co. Ltd.
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