Thermally stable diamond bonded materials and compacts
CA 2506471 C · Owner: Middlemiss, Stewart N. · Inventors: Middlemiss, Stewart N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Thermally stable diamond bonded materials and compacts include a diamond body having , a thermally stable region and a PCD region and a substrate integrally joined , to the body. The thermally stable region has a microstructure comprising a plurality of diamond grains , bonded together by a reaction with a reactant material. The PCD region extends from the , thermally stable region and has a microstructure of bonded together diamond grains and a , metal solvent catalyst disposed interstitially between the bonded diamond grains. The , compact is formed by subjecting the diamond grains reactant material, and , metal solvent catalyst to a first temperature and pressure condition to form …
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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 September 10, 2013. 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.