Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1988-10-17
1990-04-24
Robinson, Douglas W.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
A61K 3134
Patent
active
049201506
ABSTRACT:
According to the method for production of stabilized sodium ascorbate powder which comprises pulverizing crystals of sodium ascorbate, followed by drying at a powder temperature of 40.degree.-80.degree. C., sodium ascorbate powder which does not show blocking and is free from deterioration such as coloring can be obtained by drying the pulverized sodium ascorbate crystals under mild conditions.
REFERENCES:
patent: 2442461 (1948-06-01), Karrer
patent: 3116204 (1963-12-01), Siegel et al.
patent: 3446894 (1969-05-01), Magid
patent: 3493659 (1970-02-01), Magid
Hanaoka Tadashi
Isobe Ikuo
Kondo Yoshimi
Henley III Raymond J.
Robinson Douglas W.
Takeda Chemical Industries Ltd.
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