Magnetically responsive composite microparticle

Details Magnetically responsive composite microparticle Magnetically responsive composite microparticle

1977-06-20

1979-10-02

Edmundson, F. C.

Compositions

Magnetic

With wax, bitumen, resin, or gum

252 6254, 424 36, A61K 950, A61K 938, G01N 3316

Patent

active

041698045

ABSTRACT:
Magnetically responsive composite microparticles comprising (i) a magnetically responsive material and (ii) a porous solid water-insoluble matrix selected from proteinaceous materials, polysaccharides and mixtures thereof; wherein said magnetically responsive material is dispersed throughout said permeable, solid, water-insoluble matrix.

REFERENCES:
patent: 650760 (1900-05-01), Metcalf
patent: 2971916 (1961-02-01), Schleicher et al.
patent: 3041289 (1962-06-01), Katchen et al.
patent: 3042616 (1962-07-01), Brown
patent: 3137631 (1964-07-01), Soloway
patent: 3522346 (1970-07-01), Chang
patent: 3725113 (1973-04-01), Chang
patent: 3933997 (1976-01-01), Hersh et al.
patent: 3937668 (1976-02-01), Zolle
patent: 3980764 (1976-09-01), Adams
Kramer; J. Pharmaceutical Sciences, vol. 63, No. 10, pp. 1646, 1647, 10/74.

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