Mucoadhesive patch with opposite ratios of nonionic and anionic hydrocolloids in adhesive and backing layer

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专利权人:

Ulrike Vollmer

发明人:

Ulrike Vollmer

申请号：

US11661712

公开号：

US09320721B2

申请日:

2005.09.01

申请国别(地区):

US

年份:

2016

代理人:

摘要：

A mucoadhesive patch that consists of an adhesive layer and a backing layer, wherein the adhesive layer contains a nonionic and an anionic hydrocolloid in a weight ratio of 1:2 to 1:5, and the backing layer contains a matrix of a nonionic and an anionic hydrocolloid in a weight ratio of 2:1 to 5:1.

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中国工程科技知识中心

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