发明名称 MULTILAYER NONWOVEN TISSUE CONTAINING A SURFACE LAYER COMPRISING AT LEAST ONE HYALURONIC ACID ESTER
摘要 Provided is a multilayer nonwoven material, comprising a surface layer which comes into contact with the skin, and one or more other layers which do not come into contact with the skin, wherein said surface layer which comes into contact with the skin is a member selected from the group consisting of a surface layer comprising at least one derivative of hyaluronic acid, a surface layer comprising a mixture of said at least one derivative of hyaluronic acid and at least one natural polymer, semisynthetic polymer, or synthetic polymer, and a surface layer comprising a natural, synthetic, or semisynthetic biocompatible perforated membrane with cell growth on its surface. The derivative of hyaluronic acid can be a hyaluronic acid ester. This material can be employed in a wide variety of medical and sanitary applications, including surgery and as a non-adhesive covering material.
申请公布号 CA2155319(A1) 申请公布日期 1994.08.18
申请号 CA19942155319 申请日期 1994.02.11
申请人 FIDIA ADVANCED BIOPOLYMERS S.R.L. 发明人 DORIGATTI, FRANCO;CALLEGARO, LANFRANCO
分类号 A61F13/00;A61L15/00;A61L15/28;D06M16/00;(IPC1-7):A61L15/28;A61L15/44 主分类号 A61F13/00
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