Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...
Reexamination Certificate
2004-11-09
2010-02-16
Padmanabhan, Sreeni (Department: 1617)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Radical -xh acid, or anhydride, acid halide or salt thereof...
C514S725000, C514S859000, C514S970000, C514S912000, C424S078040
Reexamination Certificate
active
07662855
ABSTRACT:
Compositions for topical application for treating a skin disorder (e.g., acne) include a retinoid, which is solubilized completely in alcohol only with the aid of cosolvents such as esters (e.g., alkyl benzoate, isopropyl palmitate, isopropyl myristate, diisopropyl adipate and their derivatives). This completely solubilized retinoid can be used to formulate an emulsion system or liquid to powder suspension containing a second active, such as an antibiotic (e.g., clindamycin).
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Vishnupad Mohan
Vishnupad Naomi
Carter DeLuca Farrell & Schmidt LLP
Imaginative Research Associates Inc.
Padmanabhan Sreeni
Ramachandran Umamaheswari
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