Percutaneous absorption enhancers, compositions containing same and method of use
CA 1313619 C · Owner: Samour, Carlos M. · Inventors: Daskalakis, Stefanos; Samour, Carlos M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 1,3-dioxacycloalkanes are provided along with new 1,3-dioxacycloalkane compositions which are useful in enhancing the absorption of therapeutic agents through the skin of humans and animals, The method for enhancing skin penetration of therapeutic agents using 1,3-dioxacycloalkanes is also described. The preferred compounds are 1,3-dioxacycloalkanes (1,3-dioxacycloalkanes) and 1,3-dioxanes (1,3-dioxacyclohexanes). The preferred compounds have the formula:, wherein R R0, R1, R2, R3, R4, R5, and R6 are each independently selected from hydrogen and C1 and C18 aliphatic groups preferably, alkyl, alkenyl, halo, hydroxy carboxy, carboxamide, and carboalkoxy, substituted forms thereof with …
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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 February 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2010.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.