CA2751884C — Transdermal administration of tamsulosin
Assigned to Corium Innovations Inc · Expires 2018-09-25 · 8y expired
What this patent protects
A composition for making a patch for the transdermal delivery of tamsulosin is provided. The composition comprises (a) at least about 1 wt% tamsulosin or a pharmaceutically acceptable salt of tamsulosin, (b) at least about 40 wt% polyisobutylene adhesive or hydrophobic synthetic …
USPTO Abstract
A composition for making a patch for the transdermal delivery of tamsulosin is provided. The composition comprises (a) at least about 1 wt% tamsulosin or a pharmaceutically acceptable salt of tamsulosin, (b) at least about 40 wt% polyisobutylene adhesive or hydrophobic synthetic rubber adhesive, (c) about 1-20 wt% of an aprotic solvent in which tamsulosin dissolves readily, (d) about 1-20 wt% of an unsaturated fatty acid or an alpha-hydroxy acid or a mixture of unsaturated fatty acids or alpha-hydroxy acids or of both unsaturated fatty acids and alpha-hydroxy acids, (e) a lipophilic permeation enhancer, and (f) a matrix modifier.
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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