Selenohydroxy acids and their derivatives, applications in...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice

Reexamination Certificate

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Details

C424S442000, C426S648000, C514S002600, C514S008100, C514S023000, C514S120000, C514S182000, C514S546000, C514S549000, C514S557000, C514S625000, C514S706000

Reexamination Certificate

active

07381416

ABSTRACT:
The purpose of this invention is:new selenohydroxy acid compounds and their derivatives;their process for the preparation;use of the new compounds as precursors of L(+)-selenomethionine and/or source of selenium in human or animal nutrition, in cosmetics and pharmaceutics;and nutritional, cosmetic and pharmaceutical compositions containing them.The new compounds that are the subject of this invention satisfy the general formula (I):in whichn=0, 1 or 2,R1=OH, OCOR3, OPO3H2, OPO(OR4)(OR5), or OR6,R2=OH, R3, or NHR7,R3=particularly alkoxyl (C1-C26), ceramide 1, ceramide 2, ceramide 3, ceramide 4, ceramide 5, ceramide 6a and 6b, S-cysteinyl, or S-glutathionyl, carnitoyl, lipids, polyols,OR4=OR5=particularly alkoxyl (C1-C26), ceramide 1, ceramide 2, ceramide 3, ceramide 4, ceramide 5, ceramide 6a and 6b, S-cysteinyl, or S-glutathionyl, carnitoyl, lipids, polyols,OR6=pyruvate, lactate, citrate, fumarate, maleate, myristate, palmitate, stearate, palmitoleate, oleate, linoleate, natural fatty acids, or 13-cis retinoate,R7=H, alkyl, natural amino acids, or natural amines.

REFERENCES:
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patent: 2005/0163862 (2005-07-01), Forceville et al.
patent: 0804927 (1997-11-01), None
patent: WO 00/12101 (2000-03-01), None
patent: WO 00/067762 (2000-11-01), None
patent: WO 03/066071 (2003-08-01), None
Gammelgaard et al. Combination of LC-ICP-MS . . . Talanta. May 1, 2003, vol. 59, Issue 6, pp. 1165-1171.
International Search Report issued in International Application PCT/EP2005/008746 on Aug. 11, 2005 (5 pages).
May, S.W., “Selenium-based pharmacological agents: an update”, Expert Opin. Investig. Drugs, vol. 11, No. 9, pp. 1261-1269 (2002).
Preliminary Search Report issued in FR 0408181 Mar. 3, 2005 (2 pages).

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