Allantoin ascorbic acid complex

Details Allantoin ascorbic acid complex Allantoin ascorbic acid complex

C - Chemistry, Metallurgy

07

D

260/305.3

C07D 307/62 (2006.01) A61K 8/67 (2006.01) C07D 233/88 (2006.01)

Patent

CA 1045629

ABSTRACT An allantoin ascorbic acid complex is disclosed as in an allantoin salt ascorbic acid complex. Medicinal and cosmetic compositions containing these complexes are also disclosed. More particularly, the invention is a complex of allantoin and ascorbic acid selected from the group consisting of an allantoin ascorbic acid complex having the formula [C4M5N4O3]x ? [C5H8O6]y ; an aluminum chlorhydroxy allantoinate ascorbic acid complex having the formula [Al2(OH)3ClC4H4N4O3] ? [C5H7O6]y ; and an aluminum hydroxy allanoinate ascorbic acid complex having the formula [A1(OH)C2H4N4O3]x ? [C5H7O6]y ; wherein x and y are each approximately unity.

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