Adsorption powder for removing mercury from high temperature, high moisture gas streams
CA 2400898 A1 · Owner: Merck & Co. Inc. · Inventors: Maes, Rudy J.; Seth, Subash; El-Shoubary, Youssef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed an adsorption powder effective for capturing mercury from a high temperature, high moisture gas stream comprising: about 1-97% carbon; about 1-97% calcium hydroxide; about 1-97% cupric chloride impregnated carbon and about 1-60% carbon impregnated with KI3. Additionally a method of , removing mercury from high temperature high moisture gas streams is disclosed.
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 February 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 20, 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.