Titanium alloy products and methods for their production
CA 2173593 A1 · Owner: University Of Birmingham (The) · Inventors: Morton, Peter Harlow; Dong, Hanshan; Bloyce, Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A titanium alloy product having good tribological properties without the need to introduce alloy into the surface is produced by casting or casting and forging a titanium alloy consisting of 2 to 15 % by weight silicon or 5 to 15 % by weight nickel, 0 to 7 % by weight of at least one strengthening alloy selected from aluminium tin, zirconium, chromium, manganese, iron molybdenum and niobium, and 0 to 2, % by weight of a surface improving alloying element selected from boron, carbon, nitrogen, oxygen and zirconium the, balance apart from impurities and incidental ingredients being titanium. Such alloy is then surface treated by surface melting and rapid solidification so as to produce a …
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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 October 4, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 4, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 4, 2016.
- 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.