Transdermal administration of amines
CA 1292697 C · Owner: Cline, John F. · Inventors: Brown, Larry R.; Cline, John F.; Davidson, S. James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Transdermal or percutaneous administration of systemic dosages of physiologically active amines to humans is accomplished at an increased rate by diluting the amine or a salt of said amine by dissolving it in a nonpolar nonvolatile solvent before bringing it into contact with the skin. The dilution may be applied to the skin from a supply absorbed in a polymeric matrix or sponge.
Read the whole patent
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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
- 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.