BRPI0513077A - polymeric adhesive matrix with salified carboxylic groups for transdermal use - Google Patents

polymeric adhesive matrix with salified carboxylic groups for transdermal use

Info

Publication number
BRPI0513077A
BRPI0513077A BRPI0513077-8A BRPI0513077A BRPI0513077A BR PI0513077 A BRPI0513077 A BR PI0513077A BR PI0513077 A BRPI0513077 A BR PI0513077A BR PI0513077 A BRPI0513077 A BR PI0513077A
Authority
BR
Brazil
Prior art keywords
carboxylic groups
polymeric adhesive
salified
adhesive matrix
transdermal use
Prior art date
Application number
BRPI0513077-8A
Other languages
Portuguese (pt)
Inventor
Paola Stefanelli
Alberto Scarsetto
Maurizio Di Grigoli
Pierbruno Romelli
Original Assignee
Bouty S P A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bouty S P A filed Critical Bouty S P A
Priority claimed from PCT/EP2005/007293 external-priority patent/WO2006012966A1/en
Publication of BRPI0513077A publication Critical patent/BRPI0513077A/en

Links

Abstract

MATRIZ ADESIVA POLIMéRICA COM GRUPOS CARBOXìLICOS SALIFICADOS PARA USO TRANSDéRMICO. A presente invenção refere-se a matrizes poliméricas para a liberação controlada de medicamentos para o uso transdérmico tópico compreendendo os copolímeros de ácido acrílico e/ou metacrílico ou ésteres dos mesmos tendo uma Tg mais baixa do que 0°C, cujos grupos carbóxi livres são salificados com bases orgânicas ou inorgânicas compatíveis. As matrizes da invenção permitem preparar sistemas terapêuticas para a liberação controlada de princípios ativas através da via transdérmica, resolvendo assim os problemas de estabilidade, solubilidade e/ou biodisponibilidade do ingrediente ativo dentro da matriz.POLYMERIC ADHESIVE MOTHER WITH SALIFIED CARBOXYLIC GROUPS FOR TRANSDERMIC USE. The present invention relates to controlled release polymeric drug matrices for topical transdermal use comprising the acrylic and / or methacrylic acid copolymers or esters thereof having a Tg lower than 0 ° C, whose free carboxy groups are salified with compatible organic or inorganic bases. The matrices of the invention make it possible to prepare therapeutic systems for the controlled release of active principles via the transdermal route, thereby solving the stability, solubility and / or bioavailability problems of the active ingredient within the matrix.

BRPI0513077-8A 2004-08-06 2005-07-06 polymeric adhesive matrix with salified carboxylic groups for transdermal use BRPI0513077A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2004041628 2004-08-06
PCT/EP2005/007293 WO2006012966A1 (en) 2004-08-06 2005-07-06 Polymeric adhesive matrix with salified carboxylic groups for transdermal use

Publications (1)

Publication Number Publication Date
BRPI0513077A true BRPI0513077A (en) 2008-04-22

Family

ID=39315116

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0513077-8A BRPI0513077A (en) 2004-08-06 2005-07-06 polymeric adhesive matrix with salified carboxylic groups for transdermal use

Country Status (1)

Country Link
BR (1) BRPI0513077A (en)

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07D Technical examination (opinion) related to article 229 of industrial property law [chapter 7.4 patent gazette]
B07E Notification of approval relating to section 229 industrial property law [chapter 7.5 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25A Requested transfer of rights approved

Owner name: IBSA FARMACEUTICI ITALIA S.R.L. (IT)