Compounds of the N-acylamino amide family, compositions...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai

Reexamination Certificate

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C560S019000, C560S022000

Reexamination Certificate

active

06987128

ABSTRACT:
The invention concerns novel compounds of the N-acylamino-amide family, compositions, in particular cosmetic or pharmaceutical, containing them, and their use for treating body or face skin ageing, whether chronobiologic or light-induced, and in particular skin ageing caused by decrease of skin elasticity and/or by collagen degradation in the structure of tissues.

REFERENCES:
patent: 5234909 (1993-08-01), Philippe
patent: 0 498 728 (1992-08-01), None
Michinori Waki et al., “Peptide Synthesis Using the Four-Component Condensation (Ugi Reaction),” Journal of the American Chemical Society, vol. 99, No. 18, Aug. 31, 1997, pp. 6076-6082.

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