Process for production of porous ceramic article
CA 1325327 C · Owner: Saita, Kenji · Inventors: Saita, Kenji; Miyazaki, Susumu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-, Abstract, The present invention provides a process for the production of a ceramic shaped implant having a porous layer with interconnected spherical pores on the surface thereof which process comprises the steps of disposing a porous element having a three dimensionally connected structure made of a heat decomposable material, in which structure adjacent, units share connecting portions and voids in contact with or, adjacent to a ceramic substrate and filling a space between, the ceramic substrate and the porous element and the voids of the porous element with a slurry comprising ceramic powder made from the same material as the ceramic substrate and then, heating to sinter the porous …
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 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 2010.
- 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.