Alkali-free setting accelerator for hydraulic binding agents
CA 1198747 A · Owner: Sika Ag. Vorm, Kaspar Winkler & Co. · Inventors: Bodenmann, Eugen; Burge, Theodor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For the acceleration of the setting and of the hardening of a hydraulic binding agent such as cement limestone, hydraulic limestone and gypsum as well as mortar and concrete prepared thereof, are added to the mixture, which contains said binding agent from 0.5 to, 10 percent by weight, referred to the weight of this binding agent, of an alkali-free setting- and hardeningaccelerator, whereby this accelerator contains aluminium hydroxide.
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
- Granted December 31, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2002.
- 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.