Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1991-04-11
1992-06-09
Waddell, Frederick E.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514970, A61K 3134
Patent
active
051207621
ABSTRACT:
Ascorbic acid composition comprising a trace amount of an alkli metal compound or an alkaline earth metal compound is very stable with respect to coloring and does not acquire a yellow color even after along time storage.
The composition can be easily obtained by addition of only a trace amount of an additive.
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Chem. Abst., 70:31647r (1969), Kagami.
Chem. Abst, 69:59537h, (1968), Renault.
Hanaoka Tadashi
Iwamoto Itsumasa
Jike Sadao
Fay Zohreh A.
Takeda Chemical Industries Ltd.
Waddell Frederick E.
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