Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...
Reexamination Certificate
2011-05-17
2011-05-17
Lundgren, Jeffrey S (Department: 1613)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Radical -xh acid, or anhydride, acid halide or salt thereof...
Reexamination Certificate
active
07943668
ABSTRACT:
The present invention relates to a process for preparing a pharmaceutical composition with anti-inflammatory and analgesic activity for administration via a patch for external use, its components including as active principle a salt of diclofenac, 2[(2,6-dichlorophenyl)amino]benzene-acetic acid, with a cyclic organic base chosen from hydroxyethylpyrrolidine or hydroxyethylpiperidine characterized in that said active principle is added to a mixture of one or more of said components, in the form of a solution in water and propylene glycol in a ratio of about 1:1 parts by weight.
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Minghetti et al., “Ex Vivo Study of Transdermal Permeation of Four Diclofenac Salts from Different Vehicles,” Journal of Pharmaceutical Sciences, vol. 96, No. 4, Apr. 2007.
Troiano Angelo
Zoppetti Giorgio
Abelman ,Frayne & Schwab
Altergon S.A.
Lundgren Jeffrey S
Townsley Sara E
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