C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/305
C07D 233/88 (2006.01) C07D 233/54 (2006.01)
Patent
CA 1113939
ABSTRACT OF THE DISCLOSURE: The present invention relates to novel complexes of allantoin and urocanic acid, and, more particularly to an allan- toin urocanic acid complex, an allantoin urocanic acid salt complex and to cosmetic compositions containing these complexes. The complexes of the invention may be depicted as having the formulas: [C4H5N4O3]a ? [C6H6N2O2]b (allantoin urocanic acid complex); [C4H5N4O3]a ? [C6H6N2OX]b (allantoin urocanate complex); wherein a and b are each about 1 and refer to the number of mols of each component and X is a member selected from the group consisting of sodium, potassium and ammonium. The complexes of this invention have the combined attributes of the healing anti-irritant cleansing, emollient, moisturizing and skin softening properties of allantoin, and the ultraviolet absorption (sun screening) properties of urocanic acid.
330008
Carroll Products Inc.
Robic Robic & Associes/associates
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