Method and composition for cleaning a turbine engine component
CA 2363613 A1 · Owner: General Electric Company · Inventors: Sangeeta, D.; Lagraff, John R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method (10) for cleaning an engine component an engine, component is provided (12) and is immersed (14) in an acid solution selected from, phosphoric acid, citric acid and acetic acid. A cleaning composition for an engine, component comprises an agitated acid solution selected from phosphoric acid citric, acid and acetic acid.
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 November 22, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 22, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2023.
- 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.