Glass-surface microcarrier for anchorage-dependent cell cultivat

Details Glass-surface microcarrier for anchorage-dependent cell cultivat Glass-surface microcarrier for anchorage-dependent cell cultivat

1985-10-24

1987-04-28

Lusignan, Michael R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

427 2, 428406, 428407, 435176, 435241, B32B 516, C12N 500, C12N 502, C12N 1114

Patent

active

046614079

ABSTRACT:
A chemical vapor deposition process for making glass-surfaced microcarriers, and the resulting product, in which hollow spherical micro-sized shells of glass or ceramic composition replaced within a fluidized bed coater, and separate preheated reaction gasses are directed into the coater bed. The shell precursors have a preferred starting density of not more than the predetermined desired final density in the range of 1.01 to 1.2 g/cc, and have a diameter in the range of 5 to 500 .mu.m, preferably 105 to 150 .mu.m. The thickness of the silicate glass coating is preferably in the range of 11 to 16 .mu.m. An alternative embodiment employs solid precursor beads of polyphenylene oxide.

REFERENCES:
patent: 4448884 (1984-05-01), Henderson
patent: 4540629 (1985-09-01), Sands et al.
patent: 4549892 (1985-10-01), Baker et al.

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