Process for making a variety of l-lysine feed supplements
CA 2313488 A1 · Owner: Archer-Daniels-Midland Company · Inventors: Binder, Thomas P.; Moore, Kevin; Wiegand, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Liquid lysine can be made with almost any particular specification that may be reasonably expected. A multistep process for producing lysine includes at least: fermentation. ultrafiltration, evaporation and mixing. Depending upon the particular specifications that are to, be met, at least two liquids may be taken from selected points in the multistep process. The, lysine in these two liquids is concentrated to a desired level and then the liquids are mixed, together and returned to the processing feed stream. The process may be applied to any amino, acid which can be produced by fermentation.
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 July 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 10, 2022.
- 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.