公开(公告)号：EP0994733A1

公开(公告)日：2000-04-26

申请号：EP98929248.7

申请日：1998-07-02

Applicant: COLOPLAST A/S

Inventor： SCHOENFELDT, Lars ,  NIELSEN, Brian ,  AYZMA, Josef

IPC: A61L15/28 ,  A61L15/42 ,  A61L15/44 ,  A61F13/00

CPC classification number: A61L15/425 ,  A61L15/28 ,  A61L15/44 ,  A61L15/60 ,  A61L2300/404 ,  A61L2300/414

Abstract: A method for preparing a non-fibrous porous material essentially consisting of one or more hydrophilic polymeric component(s) or one or more hydrophilic polymeric component(s) and one or more pharmaceutical medicaments, said method comprising forming an aqueous solution, sol or gel comprising one or more hydrophilic polymers and/or pharmaceutical medicaments, freezing or foaming the solution, dehydrating the frozen or foamed solution leaving a non-fibrous porous material in a solid, porous form, and optionally subjecting the resulting porous material to a dry heat treatment.