Oxidation resistant titanium-base alloy
CA 2014970 C · Owner: Bania, Paul J. · Inventors: Parris, Warren M.; Bania, Paul J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A titanium-base alloy characterized by a combination of good oxidation resistance at temperatures of at least 1500°F and good cold rollability. The alloy consists essentially of in, weight percent, molybdenum 14 to 20 niobium 1.5 to 5.5, silicon 0.15 to 0.55 aluminum up to 3.5, oxygen up to 0.25, and balance titanium. Preferably molybdenum is 14 to 16, niobium is 2.5 to 3.5 silicon is 0.15 to 0.25, aluminum is, 2.5 to 3.5 and oxygen is 0.12 to 0.16. The alloy may be in the form of a cold reduced sheet or foil product having a thickness of less than 0.1 inch. This product may be produced by cold rolling to effect a reduction within the range of 10 to 80%.
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
- Filed April 19, 1990 and granted November 7, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 19, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 19, 2012.
- 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.