Weldable alloy
CA 1109298 A · Owner: Cabot Corporation · Inventors: Herchenroeder, Robert B.H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An alloy containing 20-23% chromium 17-20%, iron, up to 2.5% cobalt, 7-10% molybdenum up to 1%, tungsten, up to 0.15% carbon 0.2-1% silicon, up to 1%, manganese and the balance nickel is greatly stabilized with respect to weld crack resistance by the addition of lanthanum in effective but small carefully controlled amounts to 0.08% in the presence of silicon as an essential minor ingredient, the alloy is eminently suited for use in conditions of high temperature and severe oxidation atmospheres, such as, gas turbine engine components and the like.
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 September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.