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Procter and Gamble Co
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Procter and Gamble Co
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Application filed by Procter and Gamble CofiledCriticalProcter and Gamble Co
Priority to ES1980254283UpriorityCriticalpatent/ES254283Y/es
Publication of ES254283UpublicationCriticalpatent/ES254283U/es
Application grantedgrantedCritical
Publication of ES254283YpublicationCriticalpatent/ES254283Y/es
Un dispositivo anticonceptivo para uso en la cavidad vaginal, que comprende: (a) una cara frontal que constituye una superficie de transporte que comprende una membrana semipermeable, describiendo diera membrana al menos una parte de las paredes de uno o más recipientes, (b) un espermicida contenido en dicho(s) recipiente(s) y que comprende una disolución acuosa de un tensioactivo espermicida formador de micelas, en una concentración igual o superior a la concentración micelar crítica de dicho compuesto tensioactivo, (e) un dorso fijado a dicha cara frontal, y (d) un reborde interno que comprende un material resiliente adyacente al perímetro interno de dicha cara frontal.