Polymer grout compositions
CA 2549166 C · Owner: Schad, Gregory W. · Inventors: Wolinsky, Vanda I.; Schad, Gregory W.; Miller, Bronwyn T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel, one-part polymer grout compositions are provided comprising a silanated polymer. The inventive grout compositions can thus be water and/or stain resistant to a greater degree than conventional one-part polymer grouts. In some embodiments, the grout compositions may also have enhanced shrinkage and/or crack resistance, as may be provided at least in part by the inclusion of an amount of one or more fiber fillers. As a result of these advantageous properties, the one-part polymer grout compositions provided herein may find applicability in environments previously contraindicated for conventional onepart polymer grout compositions, e.g. in horizontal and/or damp or even wet, …
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 December 2, 2004 and granted June 12, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 2, 2024.
- 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.