CN Patent

CN101553257A — 贴剂及贴剂的评价方法

Assigned to Nipro Patch Co Ltd · Expires 2009-10-07 · 17y expired

What this patent protects

本发明提供一种使用SIS嵌段共聚物作为粘着成分的贴剂,其可以提高使用性并且可以减轻给使用者带来的刺激。所述贴剂具备柔性支持体和层叠在所述支持体上的粘着剂层,所述粘着剂层含有苯乙烯-异戊二烯-苯乙烯嵌段共聚物。粘着剂通过测定动态粘弹性而获得的在32℃的tanδ值,在频率0.04Hz~0.25Hz的至少一点满足以下的数学式1。0.25x+0.05≤y≤0.25x+0.10......数学式1(式中,x是频率(Hz),y是tanδ。)

USPTO Abstract

本发明提供一种使用SIS嵌段共聚物作为粘着成分的贴剂,其可以提高使用性并且可以减轻给使用者带来的刺激。所述贴剂具备柔性支持体和层叠在所述支持体上的粘着剂层,所述粘着剂层含有苯乙烯-异戊二烯-苯乙烯嵌段共聚物。粘着剂通过测定动态粘弹性而获得的在32℃的tanδ值,在频率0.04Hz~0.25Hz的至少一点满足以下的数学式1。0.25x+0.05≤y≤0.25x+0.10......数学式1(式中,x是频率(Hz),y是tanδ。)

Drugs covered by this patent

Patent Metadata

Patent number
CN101553257A
Jurisdiction
CN
Classification
Expires
2009-10-07
Drug substance claim
No
Drug product claim
No
Assignee
Nipro Patch Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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