Process for the preparation of submicron-sized titanium diboride powders
CA 1290278 C · Owner: The Dow Chemical Company · Inventors: Knudsen, Arne K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ultrafine TiB2 powder is produced by subjecting a gaseous mixture of BCl3, H2, and TiCl4 to an amount of laser radiation effective to convert at least a portion of the volatile boron and titanium sources to TiB2. The TiB2 powders consist primarily of monodispersed equiaxial particles having a diameter of 0.025 to 0.3 micron.
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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2008.
- 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.