发明名称 |
Dermatological patch and process for producing thereof |
摘要 |
A transdermal patch which comprises: a substrate sheet comprises a composite film formed of a resin composition comprising 100 parts by weight of a polyvinyl chloride-polyurethane composite and 2-10 parts by weight of a styrene-ethylene-butylene-styrene copolymer, a first adhesive layer on the one side of the composite film, and a polyalkylene terephthalate film adhered to the one side of the composite film by means of the first adhesive layer, a primer layer which comprises a saturated polyester resin and is formed on the surface of the polyalkylene terephthalate film; and a second adhesive layer comprising a styrene-diene-styrene block copolymer containing a pharmaceutical agent layered on the primer layer.A method for the manufacture of the above-mentioned substrate sheet comprises preparing the above resin composition molding the resin composition into a composite film by a calendar process, and then adhering a polyalkylene terephthalate film on one side of the composite film by means of an adhesive layer thereby forming the substrate sheet, and forming a primer layer comprising a saturated polyester resin on the outer surface of the polyalkylene terephthalate film.
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申请公布号 |
US6267983(B1) |
申请公布日期 |
2001.07.31 |
申请号 |
US19990319577 |
申请日期 |
1999.08.11 |
申请人 |
BANDO CHEMICAL INDUSTRIES, LTD.;HISAMITSU PHARMACEUTICAL CO., LTD. |
发明人 |
FUJII KIMIHIRO;TANAKA KAZUO;IKAWA KAZUYA;IKEURA YASUHIRO;YAMASOTO SHINJI |
分类号 |
A61K9/70;B32B27/08;B32B27/36;(IPC1-7):A61F13/00;A61L15/16 |
主分类号 |
A61K9/70 |
代理机构 |
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代理人 |
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