EP1125578A1 — Tape material for transcutaneous absorption
Assigned to Maruho Co Ltd · Expires 2001-08-22 · 25y expired
What this patent protects
A preparation for transdermal absorption is disclosed which is suited for alleviating lasting pains caused by herpes zoster or postherpetic neuralgia and is practical and more improved in drug efficacy, safety and application characteristics. This tape preparation for transdermal…
USPTO Abstract
A preparation for transdermal absorption is disclosed which is suited for alleviating lasting pains caused by herpes zoster or postherpetic neuralgia and is practical and more improved in drug efficacy, safety and application characteristics. This tape preparation for transdermal absorption is obtained by causing an adhesive mass prepared by incorporating 1-30 parts by weight of a local anesthetic as an active ingredient in 100 parts by weight of a nonaqueous adhesive mass base comprising 5-50% by weight of a styrene-isoprene-styrene block copolymer, 1-60% by weight of an alicyclic saturated hydrocarbon resin, 5-60% by weight of liquid paraffin and 1-30% by weight of butyl rubber to be supported on a backing.
Drugs covered by this patent
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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