Powder mixture or composite powder, a method for production thereof and the use thereof in composite materials
CA 2394844 A1 · Owner: Lamprecht, Ines · Inventors: Mende, Bernd; Lamprecht, Ines; Gille, Gerhard
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 the production of power mixtures or , composite powders, from at least one first type of powder chosen from the group, high-melting metals, physically resistant materials or ceramic powders , and at least one second type of powder chosen from the group of binding , metals binding metal mixed crystals and binding metal alloys. The second type of powder is produced, in an aqueous suspension of the first type of powder from precursor compounds, which are in the form of water-soluble salts by , precipitation as the oxalate, separating the mother liquor and reduction to the metal.
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 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2022.
- 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.