A controlled, sustained release delivery system for smoking cessation
CA 2102507 A1 · Owner: Boyer, Yvonne N. · Inventors: Muni, Indu A.; Kitchell, Judith P.; Boyer, Yvonne N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drug delivery system useful in aiding individuals in the cessation of smoking or chewing nicotine containing products is described. The delivery system includes a physical constraint modulation system (PCMSTM) containing lobeline. The drug delivery system is capable of delivering lobeline to an individual in a controlled, sustained release manner and providing long-term therapeutic levels of lobeline to the individual. The delivery of lobeline in such a manner reduces or eliminates the individual's smoking or chewing habit. The PCMS may be a biodegradable polymer containing the lobeline capable of subcutaneous or intramuscular injection or implantation into the individual or may be …
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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
- Filed May 7, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 7, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 7, 2014.
- 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.