Biphenyl derivatives substituted with an aromatic or...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S356000, C514S569000, C424S401000, C546S322000, C546S324000, C562S466000, C562S492000

Reexamination Certificate

active

07148245

ABSTRACT:
Compounds of formula (I):in which:Ar represents an aromatic or a heteroaromatic radical optionally substituted, in particular, with an alkyl or a carboxyl group,R2and R3represent, in particular, H or alkyl, orR2and R3, taken together, form a 5- or 6-membered ring,R4and R5represent, in particular, H or halogen,R6represents, in particular, H or lower alkyl,and the salts of the compounds of formula (I).These compounds can be used in particular in the treatment of dermatological complaints associated with a keratinization disorder, and for combating ageing of the skin.

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1987-1991 Chem. Substance Index, [128566-26-7] 113: P 78409m.
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1987-1991 Chem. Substance Index, [120841-92-1] 110: 232184f.
1987-1991 Chem. Substance Index, [67564-84-5] 108: 211418d.
1987-1991 Chem. Substance Index, [67564-84-5] 109: 99627p.
1987-1991 Chem. Substance Index, [110006-99-0] 107: P 219893e.
1987-1991 Chem. Substance Index, [135449-17-1], 115: 91751c.
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1992-1996 Chem. Substance Index, [50446-43-0] 120: 322873r.
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1992-1996 Chem. Substance Index, [155186-06-4] 123: pr 169590m.
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