Ceramic coating
CA 1329518 C · Owner: Sandved, Jonas Schancke · Inventors: Horvei, Knut; Sandved, Jonas Schancke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ceramic chromium oxide coating optionally containing silica, and/or alumina and less than 1 per cent of other metal constituents, produced by wholly or partly fusing a conventionally produced chrome oxide coating by subjecting the chromium oxide coating to laser irradiation and a method for, the production of such a coating. The chromium oxide coating can be employed for the internal and/or external protection of component in equipment for production and transport of oil and gas under water.
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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- 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.