Expired Canadian patentCanada
Methods of administering antihistamines, antinausea and antiemetic pharmaceutical agents and novel dosage forms containing same
CA 1309023 C · Owner: Nastech Pharmaceutical Co. Inc. · Inventors: Wenig, Jeffrey
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Invention relates to nasal administration of physiologically active therapeutic agents and dosage forms useful for such administration.
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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 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.
FiledMay 5, 1988
GrantedOctober 20, 1992
Term endedOctober 20, 2009
Patent numberCA 1309023 C
Classification (IPC)A61K9/12 +1 more
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.