Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice
Reexamination Certificate
2002-08-13
2008-05-20
Levy, Neil S. (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Cosmetic, antiperspirant, dentifrice
C424S484000, C424S069000, C514S564000, C514S673000, C514S944000, C514S945000, C514S937000, C514S946000, C514S947000, C514S969000
Reexamination Certificate
active
07374770
ABSTRACT:
Polyethylene glycol ethers of alkyl alcohols having the general formula CH3(CH2)xCH2(OCH2CH2)nOH wherein x is 8 to 20 (of which ceteareth-20, steareth-20 and steareth-100 are preferred), poloxamer 185, poloxamer 407, N,N-dimethyl dodecylamine N-oxide, and mixtures thereof, are employed to increase follicular delivery and/or follicular residence time of certain water soluble ornithine decarboxylase inhibitors of which 2(difluoromethyl)-2,5-diamino pentanoic acid and its pharmaceutically acceptable salts, hydrates, optical enantiomers and racemic mixture are preferred.
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Physicians' Desk Reference, 55 Edition, pp. 1031-1033, (2001).
Chou Joyce T.
Parab Prakash
Levy Neil S.
SkinMedica, Inc.
Wilson Sonsini Goodrich & Rosati
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