Expired Canadian patentCanada
Product and method of treatment using ionic liquids
CA 2601744 C · Owner: Atkin, Neil · Inventors: Atkin, Neil; Kelly, Diane; Young, James
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and related packaged product for forming a surface treatment liquid involves contacting two solids to form a liquid particularly an ionic liquid , under ambient conditions at the locus of use.
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 January 23, 2006 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 23, 2006
GrantedAugust 14, 2012
Term endedJanuary 23, 2026
Patent numberCA 2601744 C
Classification (IPC)C11D17/04
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.