Processes for recovering tocotrienols, tocopherols and tocotrienol-like compounds
CA 2083512 A1 · Owner: Wells, Dan Michael · Inventors: Wells, Dan Michael; Qureshi, Asaf A.; Becker, Kenneth W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to processes for obtaining Tocol products, such as tocotrienols, tocopherols and tocotrienol-like compounds from plant sources in high yields. More particularly this invention relates to processes for stabilizing and recovering Tocol products from plant materials, such as cereals grains and, grain oils. The Tocol products recovered according to this invention are useful in pharmaceutical compositions food formulations, and dietary supplements. These compositions formulations and, supplements advantageously lower the blood level of low density lipoproteins and total serum cholesterol in humans and animals.
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 May 23, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 23, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 2013.
- 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.