Glass composition

Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...

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424127, 424131, 424132, 424133, 424140, 424148, 424150, 424144, 426 2, 604 93, 604 57, 501 33, 501 35, 501 45, 501 47, 501 48, 501 73, 501 24, C03C 316, A61K 3334

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044077866

ABSTRACT:
A copper phosphate water soluble glass composition. The composition of the glass may be adjusted so as to release copper at a uniform preselected rate and to produce a desired pH in the resultant solution. In one application of the glass copper may be supplied to an animal from an implant formed from a cupric oxide/phosphorus pentoxide glass which also incorporates one or more glass modifying oxides such as alkali metal oxides and alumina, to control the glass solubility. Suitable glasses comprise 5-55 mole % cupric oxide + alkali metal oxides. 45-75 mole % phosphorus pentoxide, and not more than 15 mole % alumina, where the copper oxide concentration is not less than 5 mole %.

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patent: 3958973 (1976-05-01), Roberts
patent: 4042402 (1977-08-01), Drake et al.
patent: 4098610 (1978-07-01), Wexell
patent: 4123248 (1978-10-01), Drake
patent: 4283227 (1981-08-01), Drake

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