Process for obtaining a thermally insulating building material
CA 2263759 C · Owner: Martynov, Vladimir Ivanovich · Inventors: Eine, Ljudmila Alexeevna; Stepanenko, Alexandr Viktorovich; Slanevsky, Sergei Iliich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for preparing heat-insulating constructional material based on an alkalized, and flooded siliceous raw material fabricated by comminuting solid ingredients and, mixing all the raw ingredients, steaming a raw mixture and thermally bloating intermediate products obtained from the steamed raw mixture is designed for utilisation as warmth-keeping fills and light-weight concrete aggregates (in a particulate form) and as structural elements for buildings and constructions (in the, form of slabs or blocks). For the purpose of controlling the desired products in a, wide range of dimensions and to achieve a greater stability in its mechanical strength, and water adsorption the …
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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 April 12, 1996 and granted November 25, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 12, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2018.
- 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.