Method for treating molten metal
CA 2567062 C · Owner: Noack, Hans-Peter · Inventors: Noack, Hans-Peter
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 method for treating molten metal that is contained in a , metallurgical vessel, according to which a fine-grained blanket material containing silicon oxide and aluminium oxide is spread over the surface of the molten metal. The aim of the invention is to prevent the formation of dust and to , facilitate the distribution of the blanket material over the surface of the molten , metal. To achieve this, the blanket material consists of a synthetic zeolite material, which contains essentially equal fractions of silicon oxide and aluminium oxide. Said blanket material comprises a close grain-size distribution, in such a way that less than 20% of the grains have …
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 May 6, 2005 and granted February 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 6, 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.