Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivativ

Details Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivativ Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivativ

1998-09-18

1999-12-21

Dees, Jose' G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Radical -xh acid, or anhydride, acid halide or salt thereof...

514506, 514520, 514844, 514873, 514937, A01N 3730

Patent

active

060050063

ABSTRACT:
Human skin is depigmented or bleached by applying thereto a compound of formula (1): ##STR1## wherein X represents COOH or the ring: ##STR2## wherein Z.sub.1, Z.sub.2 and Z.sub.3, independently of each other, are H, OR or R, R representing an optionally substituted saturated or unsaturated, linear or branched C.sub.4 -C.sub.8 -alkyl radical, or a salt, a metal complex or an ester of the compound.

REFERENCES:
patent: 5629436 (1997-05-01), Galey et al.
patent: 5703095 (1997-12-01), Galey et al.

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