Powder redispersible in water, process for the production thereof and use thereof
CA 2623872 C · Owner: Keller, Adrian · Inventors: Keller, Adrian; Aberle, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an additive for hydraulically binding systems for reduction of blooms in hydraulically bound systems which is preferably , present as a powder redispersible in water and is suitable in particular as additive for addition in dry mortars. The powder redispersible in water consists of at least one organic component and at least one water-soluble organic polymeric protective colloid and also if appropriate further additives, with the organic component containing at least one compound having a cyclic group which is completely or partially saturated and having a melting point of about -20 to 250~C and also a molecular weight of about 100 to 10 000, and …
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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 September 21, 2006 and granted September 13, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 21, 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.