Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form
Reexamination Certificate
2007-05-08
2007-05-08
Richter, Johann (Department: 1616)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
C424S436000, C424S443000, C424S464000, C514S944000, C514S969000
Reexamination Certificate
active
10343570
ABSTRACT:
The present invention refers to a pharmaceutical composition suitable for the transdermal or transmucosal administration of one or more active agents, in form of a gel or a solution, comprising as a permeation enhancers a combination of: a) saturated fatty alcohol of formula CH3—(CH2)n—CH2OH or saturated fatty acid CH3—(CH2)n—CH2COOH wherein n is an integer number 8÷22, preferably 8÷12, most preferably 10, or unsaturated fatty alcohol or fatty acid of formula: CH3(CnH2(n-1))—OH or CH3(CnH2(n-1))—COOH wherein n is an integer number 8÷22, b) a ternary vehicle or carrier consisting of a C1÷C4alkanol, a polyalcohol in particular propylenglycol and water, c) optionally also a monoalkylether of diethylenglycol.
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Budavari et al., The Merck Index, 1996, Merck Research Laboratories, 12th Edition, pp. 253 and 269.
Carrara Dario
Porto Gabriel
Rodriguez Jorge
Antares Pharma IPL AG
George Konata M.
Richter Johann
Winston & Strawn LLP
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