CA2172401A1 - Transdermal therapeutic system with acetylsalicylic acid as active substance - Google Patents

Transdermal therapeutic system with acetylsalicylic acid as active substance

Info

Publication number
CA2172401A1
CA2172401A1 CA002172401A CA2172401A CA2172401A1 CA 2172401 A1 CA2172401 A1 CA 2172401A1 CA 002172401 A CA002172401 A CA 002172401A CA 2172401 A CA2172401 A CA 2172401A CA 2172401 A1 CA2172401 A1 CA 2172401A1
Authority
CA
Canada
Prior art keywords
active substance
acetylsalicylic acid
therapeutic system
transdermal therapeutic
matrix layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002172401A
Other languages
French (fr)
Other versions
CA2172401C (en
Inventor
Michael Horstmann
Gerd Hoffmann
Heinrich Kindel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LTS Lohmann Therapie Systeme AG
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4332093A external-priority patent/DE4332093C2/en
Application filed by Individual filed Critical Individual
Publication of CA2172401A1 publication Critical patent/CA2172401A1/en
Application granted granted Critical
Publication of CA2172401C publication Critical patent/CA2172401C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)

Abstract

Transdermal therapeutic system comprising the active substance acetylsalicylic acid, having a layered structure consisting of a backing layer which is substantially impermeable to active substances and moisture and one or several active substance-containing matrix layers, which is characterized in that at least one of said matrix layers comprises acetylsalicylic acid in mainly crystalline form.
CA002172401A 1993-09-22 1994-09-16 Transdermal therapeutic system with acetylsalicylic acid as active substance Expired - Fee Related CA2172401C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4332093.7 1993-09-22
DE4332093A DE4332093C2 (en) 1993-09-22 1993-09-22 Transdermal therapeutic system with the active ingredient acetylsalicylic acid and process for its preparation
PCT/EP1994/003106 WO1995008330A1 (en) 1993-09-22 1994-09-16 Transdermal therapeutic system with acetylsalicylic acid as active substance

Publications (2)

Publication Number Publication Date
CA2172401A1 true CA2172401A1 (en) 1995-03-30
CA2172401C CA2172401C (en) 2005-11-15

Family

ID=35520907

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002172401A Expired - Fee Related CA2172401C (en) 1993-09-22 1994-09-16 Transdermal therapeutic system with acetylsalicylic acid as active substance

Country Status (1)

Country Link
CA (1) CA2172401C (en)

Also Published As

Publication number Publication date
CA2172401C (en) 2005-11-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130917