Process for regenerating a carbonylation catalyst solution to remove corrosion metals
CA 1306237 C · Owner: Torrence, G. Paull · Inventors: Torrence, G. Paull; Wood, Ronny G.; Scates, Mark Owen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for treating carbonylation catalyst solutions which contain a rhodium component and a lithium component to remove metallic corrosion products comprises contacting the catalyst solution with a cation exchange resin in the lithium form.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.