Method for producing a work, jointing and surfacing compound for structural elements and its method of preparation
CA 2565674 C · Owner: Lafarge Sa · Inventors: Liling, Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a sealant compound comprising in weight percent , relative to the compound total volume: 40-60 % of mineral filler whose diameter d50 ranges from 5 to 20 microns 5-10 % of hydrophobic expanded , perlite whose diameter d50 ranges from 20 to 100 microns and 4-20 % of binder A method for preparing the inventive compound is also disclosed. Said invention also relates to producing a work provided with joints made of pointing and/or surfacing compound by applying said compound and/or pointing and surfacing by applying the compound which is characterised in that the compound is applied by airless process. According to the inventive method said sealant compound is …
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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 May 4, 2005 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 4, 2025.
- 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.