Expired Canadian patentCanada
Perfluorohydrocarbons as vehicles for administering drugs
CA 1295948 C · Owner: Alcon Laboratories, Inc. · Inventors: York, Billie Murray, Jr.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Perfluorohydrocarbons are used as vehicles for administering therapeutic drugs.
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.
FiledApril 5, 1983
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1295948 C
Classification (IPC)A61K9/06 +2 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.