Preparation of selective adsorbing particles

Details Preparation of selective adsorbing particles Preparation of selective adsorbing particles

1974-03-19

1976-04-27

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

210 39, 210 40, 260240R, 424124, B01J 3106

Patent

active

039533603

ABSTRACT:
Selective adsorbing particles are prepared by dispersing activated charcoal in a hydrophilic solvent solution of a polymer capable of forming a semi-permeable film in a coagulating medium and then adding the dispersion dropwise into a coagulating bath. The selective adsorbing particles have adsorption capacity substantially the same as that of untreated activated charcoal. Separation of organic compounds is performed by a method wherein a solution containing a mixture of adsorptive organic compounds and non-adsorptive compounds is contacted with the selective adsorbing particles. The method is suitable for separation or purification of various organic compounds such as antibiotics, dyestuffs, nucleic acids, preteins or enzymes.

REFERENCES:
patent: 2281194 (1942-04-01), Holmes et al.
patent: 2933455 (1960-04-01), Doying
patent: 3442819 (1969-05-01), Herbert

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