Topical drug release system
CA 1302256 C · Owner: Davis, Adrian Francis · Inventors: Davis, Adrian Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
C285, Abstract, TOPICAL DRUG RELEASE SYSTEM A pharmaceutical composition for topical administration consisting of two liquid phases designed to be admixed in situ or prior to use. The first phase contains a dissolved drug, and is preferably saturated in the drug, whilst the second phase is a chemically or physically different liquid from that in the first phase and contains no drug, but is miscible with the first phase. the two liquids are selected so that on, admixture of suitable volumes of the phases the, resultant drug concentration exceeds the saturated drug solubility in the resultant mixture. This produces a liquid mixture supersaturated in drug, which has been found to increase the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.