CA2549916A1 - Transdermal delivery system of hormones without penetration enhancers - Google Patents

Transdermal delivery system of hormones without penetration enhancers Download PDF

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Publication number
CA2549916A1
CA2549916A1 CA002549916A CA2549916A CA2549916A1 CA 2549916 A1 CA2549916 A1 CA 2549916A1 CA 002549916 A CA002549916 A CA 002549916A CA 2549916 A CA2549916 A CA 2549916A CA 2549916 A1 CA2549916 A1 CA 2549916A1
Authority
CA
Canada
Prior art keywords
drug
containing layer
gestodene
estrogen
ester
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
CA002549916A
Other languages
French (fr)
Other versions
CA2549916C (en
Inventor
Stefan Bracht
Michael Dittgen
Petra Huber
Thomas Langguth
Dirk Schenk
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.)
Bayer Intellectual Property GmbH
Original Assignee
Schering Aktiengesellschaft
Stefan Bracht
Michael Dittgen
Petra Huber
Thomas Langguth
Dirk Schenk
Bayer Pharma Aktiengesellschaft
Bayer Intellectual Property Gmbh
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
Family has litigation
Priority to US52871803P priority Critical
Priority to US60/528,718 priority
Priority to EP03078881 priority
Priority to EP03078881.4 priority
Application filed by Schering Aktiengesellschaft, Stefan Bracht, Michael Dittgen, Petra Huber, Thomas Langguth, Dirk Schenk, Bayer Pharma Aktiengesellschaft, Bayer Intellectual Property Gmbh filed Critical Schering Aktiengesellschaft
Priority to PCT/IB2004/052752 priority patent/WO2005058287A2/en
Publication of CA2549916A1 publication Critical patent/CA2549916A1/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34702342&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2549916(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application granted granted Critical
Publication of CA2549916C publication Critical patent/CA2549916C/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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