Process for the preparation of alcohols
CA 1320947 C · Owner: Sjoberg, Kjell · Inventors: Sjoberg, Kjell; Akermark, Bjorn
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 a method to set free sterols from organic materials containing esters of such sterols ge-, nerally enriched distillation residues or desodorisates by, treating said organic material with ammonia and/or an amine and/or a compound that releases ammonia and/or amines while heated, the treament being carried out preferably at an elevated temperature, and under an elevated pressure.
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 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 2010.
- 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.