Package making – Methods – With contents treating
Patent
1987-03-30
1988-07-05
Spruill, Robert L.
Package making
Methods
With contents treating
34 5, 53431, 53432, B65B 6300
Patent
active
047545976
ABSTRACT:
Solid shaped articles, particularly rapidly dissolving pharmaceutical dosage forms, carrying predetermined unit quantities of chemicals are prepared by a novel process involving the addition of the predetermined amount of chemical in a solvent to a placebo article which contains a network of carrier material. The placebo article is prepared by freezing a composition of carrier material in a solvent and subliming the solvent from the frozen composition.
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patent: 3855712 (1974-12-01), Blonde
patent: 3925903 (1975-12-01), Ward
patent: 4021280 (1977-05-01), Rinde et al.
patent: 4305502 (1981-12-01), Gregory et al.
patent: 4371516 (1983-02-01), Gregory et al.
Hackh's Chemical Dictionary, McGraw Hill, pp. 7, 153, 249.
Buxton Ian R.
Feldman Harold
Alice Ronald W.
Elder Richard A.
John Wyeth & Brother Ltd.
Spruill Robert L.
Weihrouch Steven P.
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