Magnetically responsive, hydrophilic microspheres for incorporat

Details Magnetically responsive, hydrophilic microspheres for incorporat Magnetically responsive, hydrophilic microspheres for incorporat

1986-12-03

1989-10-03

Nucker, Christine M.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Peptide containing doai

106124, 252 6251, 252 6255, 424 9, 424491, 424497, 424499, 424501, 436526, 436528, 436531, 436829, 435 7, 514 6, A61K 3702, A61K 3326

Patent

active

048717169

ABSTRACT:
Novel magnetically responsive hydrophilic protein or polypeptide microspheres prepared by dispersing an aqueous solution or dispersion of protein or polypeptide and particulate magnetically responsive material in an organic solvent solution of a high molecular weight polymer to form a stabilized dispersion of microspheres and cross-linking said microspheres with a polyfunctional cross-linking agent.

REFERENCES:
patent: 4157323 (1979-06-01), Yen et al.
patent: 4169804 (1979-10-01), Yapel, Jr.
patent: 4671954 (1987-06-01), Goldberg et al.
patent: 4695393 (1987-09-01), Whitehead et al.
Longo et al., "Preparation of Hydrophilic Albumin Microspheres Using Polymeric Dispersing Agents" J. Pharm. Sci. 71 (2), Dec. 1982: 1323-1328.

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