Patch and method for transdermal delivery of bupropion base
CA 2307958 A1 · Owner: Midha, Kamal K. · Inventors: Junginger, Hans E.; Midha, Kamal K.; Hirsh, Mark
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention includes a patch and method for transdermal delivery of bupropion base. In the method of this invention, a patient is administered a bupropion base in an amount effective to alleviate withdrawal symptoms and to prevent or reduce craving of nicotine in said patient. Alternatively an, effective amount of bupropion base is delivered to alleviate depression in a patient or to treat obesity. A transdermal patch includes a bupropion base. The bupropion base can be mixed with an acceptable pharmaceutical carrier.
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
- Filed May 9, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2022.
- 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.