Expired Canadian patentCanada
Cleaning compositions with alkoxylated polyalkylenimines
CA 2602128 C · Owner: Misske, Andrea · Inventors: Boeckh, Dieter; Casado Dominguez, Arturo Luis; Misske, Andrea
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cleaning compositions comprising amphiphilic water-soluble alkoxylated polyalkylenimines having an inner polyethylene oxide block and an outer polypropylene oxide block.
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 April 12, 2006 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 12, 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.
FiledApril 12, 2006
GrantedAugust 7, 2012
Term endedApril 12, 2026
Patent numberCA 2602128 C
Classification (IPC)C11D3/37 +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.