AR004948A1 -
SUSTAINED RELEASE COMPOSITION CONTAINING A POLY COPOLYMER (LACTIC / GLYCOLIC ACID), A THERAPEUTIC AGENT, AND A QUATERNARY AMMONIUM SURGERY
- Google Patents
SUSTAINED RELEASE COMPOSITION CONTAINING A POLY COPOLYMER (LACTIC / GLYCOLIC ACID), A THERAPEUTIC AGENT, AND A QUATERNARY AMMONIUM SURGERY
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 Hoffmann La RochefiledCriticalHoffmann La Roche
Publication of AR004948A1publicationCriticalpatent/AR004948A1/en
Acyclic And Carbocyclic Compounds In Medicinal Compositions
(AREA)
Abstract
La presente invencion, proporciona una composicion de liberacion sostenida que comprende una matriz de poli(acido lactico/glicolico), un agente bioactivoy un tensioactivo de amonio cuaternario, en el cual el perfil de liberacion del agentebioactivo de la matriz de poli(acido lactico/glicolico), se controlamediante la concentracion del tensiactivo de amonio cuaternario.The present invention provides a sustained release composition comprising a poly (lactic / glycolic acid) matrix, a bioactive agent, and a quaternary ammonium surfactant, in which the release profile of the bioactive agent from the poly (lactic acid / glycolic), is controlled by the concentration of the quaternary ammonium surfactant.
ARP960104147A1995-08-301996-08-28
SUSTAINED RELEASE COMPOSITION CONTAINING A POLY COPOLYMER (LACTIC / GLYCOLIC ACID), A THERAPEUTIC AGENT, AND A QUATERNARY AMMONIUM SURGERY
AR004948A1
(en)
COMPOSITION FOR THE COSMETIC AND / OR PHARMACEUTICAL TREATMENT OF THE UPPER LAYERS OF THE EPIDERMIS BY TOPICAL APPLICATION ON THE SKIN AND THE CORRESPONDING PREPARATION PROCEDURE.
COMPOSITION FOR WASHING THE SKIN, PROCEDURE FOR PREPARING IT AND THE USE OF THE SAME FOR THE MANUFACTURE OF MEDICINES, WHEN CASE, FOR COSMETIC TREATMENT OF THE SKIN.