Plaster agent and method of preparing same

US6497897B2 · kind B2 · utility

Assignee

• TEIJIN LIMITED · JP

Inventors

• Osafumi Hidaka · Hamura, JP
• Michisuke Ohe · Hamura, JP
• Osam Magoshi · Saitama, JP
• Toshiyuki Kato · Chiba, JP
• Tomoki Sakai · Tokyo, JP

Key dates

• Filing date: Aug 28, 2001
• Grant date: Dec 24, 2002
• Expiry date: Aug 28, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/7061
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A plaster agent comprising a water impermeable or water semipermeable film (layer a), one tackifier layer (layer b) laminated on one surface of said layer a, and another tackifier layer (layer d) laminated on said layer b through an intermediary knitted fabric having a weight per unit area of 10 to 100 g/m2 (layer c) comprising hollow fibers having pores extending therethrough in the outer peripheral direction and containing substantially no medicine internally thereof, and at least one of said layer b and said layer d containing a vaporizable or non-vaporizable medicine.