Titanium diboride/boron carbide composites with high hardness and toughness
CA 1294634 C · Owner: Knudsen, Arne K. · Inventors: Rafaniello, William; Knudsen, Arne K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A powder composition of boron carbide and titanium diboride, having an average particle size of less than 0.5 micrometers, uniformly dispersed such that all discrete concentrations of boron carbide and titanium diboride are less than or equal to 0.5 micrometers in diameter when the powder is densified a, ceramic composition results comprising titanium diboride grains, having an average grain size of less than or equal to 3 micrometers in diameter uniformly, dispersed with boron carbide grains having an average, grain size of less than 5 micrometers in diameter and improved hardness and toughness. The powder is prepared by subjecting reactant gaseous compounds of boron, titanium, carbon, and …
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 January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
- 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.