Enzymes coated with ionic liquid
CA 2441430 A1 · Owner: Posco · Inventors: Lee, Jae Kwan; Kim, Mahn-Joo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an ionic liquid-coated enzyme wherein the ionic liquid is an , organic salt which presents as a liquid phase at a temperature of about 150~C or below. The ionic liquid-coated enzyme according to the present invention remarkably improves enzyme functions, such as enantioselectivity and stability, when the enzyme which may be lipase is coated with an ionic liquid. Further, even in the case of when the ionic liquid-coated enzyme is reused the enantiomeric excess, enantioselectivity and activity are not degenerated. , The coated enzyme is usable as a catalyst for providing a chiral intermediate required in the synthesis of chiral pesticides medicines, natural chemicals, and so …
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 January 13, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 2025.
- 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.