Composition for transdermal and/or transmucosal...

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

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 4952560 (1990-08-01), Kigasawa et al.
patent: 5527832 (1996-06-01), Chi et al.
patent: 5580574 (1996-12-01), Behl et al.
patent: 5891462 (1999-04-01), Carrara
patent: 0249397 (1987-12-01), None
patent: 0672422 (1995-09-01), None
patent: 0811381 (1997-12-01), None
patent: WO 99/24041 (1999-05-01), None
Budavari et al., The Merck Index, 1996, Merck Research Laboratories, 12th Edition, pp. 253 and 269.

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