Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Reexamination Certificate
2002-12-10
2010-12-07
Krass, Frederick (Department: 1612)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ester doai
C424S401000
Reexamination Certificate
active
07846969
ABSTRACT:
A process for the production of a stabilized ceramide emulsion by adding one or more ceramides of Formula (2) to one or more sphingosines of Formula (1), and then adding an acidic compound and water to form one or more sphingosine salts, wherein the sphingosine salts emulsify the ceramides to form the emulsion.
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Tanahashi Masanori
Yamamoto Yumiko
Kao Corporation
Krass Frederick
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Packard Benjamin
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