Invention Grant
US09320721B2 Mucoadhesive patch with opposite ratios of nonionic and anionic hydrocolloids in adhesive and backing layer
有权
在粘合剂和背衬层中具有相反比例的非离子和阴离子水胶体的粘性粘合贴剂
- Patent Title: Mucoadhesive patch with opposite ratios of nonionic and anionic hydrocolloids in adhesive and backing layer
- Patent Title (中): 在粘合剂和背衬层中具有相反比例的非离子和阴离子水胶体的粘性粘合贴剂
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Application No.: US11661712Application Date: 2005-09-01
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Publication No.: US09320721B2Publication Date: 2016-04-26
- Inventor: Ulrike Vollmer
- Applicant: Ulrike Vollmer
- Applicant Address: DE Langenfeld
- Assignee: TESA LABTEC GMBH
- Current Assignee: TESA LABTEC GMBH
- Current Assignee Address: DE Langenfeld
- Agency: Lucas & Mercanti, LLP
- Agent Klaus P. Stoffel
- Priority: DE102004042616 20040901
- International Application: PCT/DE2005/001528 WO 20050901
- International Announcement: WO2006/024284 WO 20060309
- Main IPC: A61K9/70
- IPC: A61K9/70 ; A61K9/00
Abstract:
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.
Public/Granted literature
- US20080274164A1 Atrium Patch Public/Granted day:2008-11-06
Information query
