Liquid membrane-compatible detergent composition
CA 2640682 C · Owner: Knop, Ralf-Erbo · Inventors: Merz, Thomas; Shamayeli, Khalil; Knop, Ralf-Erbo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to liquid detergent concentrate composition comprising an emulsion having a water phase and an oil phase the composition comprising , 5 - 30 wt-% of one or more alkalinity source 1 - 70 wt-% of a at least one nonionic surfactant 0.01 - 10 wt-% of one or more crosslinked or partly crosslinked polyacrylic acid or polymethacrylic acid. Furthermore the invention relates to a stable aqueous use solution comprising a liquid , detergent concentrate according to the invention and to a method for washing textiles with the aqueous use solution.
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 March 6, 2006 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 6, 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.
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.