Multilayer nonwoven tissue containing a surface layer comprising at least one hyaluronic acid ester
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United States of America Patent
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Aug 19, 1997
Grant Date -
N/A
app pub date -
Oct 10, 1995
filing date -
Feb 12, 1993
priority date (Note) -
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Abstract
Provided is a multilayered of 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 hyaluronic acid ester, a surface layer comprising a mixture of said at least one hyaluronic acid ester and at least one natural polymer, semisynthetic polymer, or synthetic polymer, and a surface layer comprising a natural, synthetic, or semisynthetic biocompatible perforated membrane compatible with cell growth on its surface. This material can be employed in a wide variety of medical and sanitary applications, including surgery and as a non-adhesive covering material.
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