Controlled release glass

Details Controlled release glass Controlled release glass

1980-08-21

1982-09-21

Nucker, Christine M.

Drug, bio-affecting and body treating compositions

Radionuclide or intended radionuclide containing; adjuvant...

Molecular bilayer structure

71 6411, 71904, 424 15, 424 9, 501 11, A61K 4900, A61K 4300, A45C 1310

Patent

active

043506755

ABSTRACT:
A controlled release glass is based on phosphorus pentoxide as the glass forming oxide and an alkali metal oxide as the principal glass modifier. The glass contains a modifying oxide of a material to be released slowly, e.g. one of the oxides of the alkali metal, or an oxide of an alkaline earth metal, an oxide of a metal of Group IIIA of the Periodic Table or a transition metal oxide, depending on the deficiency to be cured.

REFERENCES:
patent: 3930833 (1976-01-01), Roberts
patent: 3958973 (1976-05-01), Roberts
patent: 4052010 (1977-10-01), Baker et al.
patent: 4123248 (1978-10-01), Drake
patent: 4148623 (1979-04-01), Drake
patent: 4182750 (1980-01-01), Sullivan et al.
patent: 4247406 (1981-01-01), Widdeo et al.
patent: 4297337 (1981-10-01), Mansfield et al.
patent: 4310506 (1982-01-01), Baldeschwieler et al.

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