Process for producing a porcelain, porcelain and ceramic insulator made from a porcelain
CA 2383723 A1 · Owner: Liebermann, Johannes · Inventors: Liebermann, Johannes
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 producing a porcelain to an especially , high-strength porcelain and to a ceramic isolator. According to the invention calcinated bauxite (B) is used instead of alumina. Simultaneously argil (T) , and kaolin (K) are added, each having a content of more than 5 % by weight of intercalated foreign metal oxides. A porcelain is obtained according to the inventive method that can be produced at much lower costs than aluminous porcelain while having the same mechanical strength. The porcelain is especially suitable for use in components of the electrical insulation technology that are subject to high mechanical stresses.
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 August 31, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 31, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 31, 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.