Process for the enrichment with .delta.6 fatty acids of a mixture of fatty acids
CA 1265156 C · Owner: Traitler, Helmut · Inventors: Studer, Alfred; Traitler, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for the enrichment with .DELTA.6 fatty acids of a mixture of fatty acids, For the selective enrichment with fatty acids of which, the first double bond is in the 6 position of a starting, material containing fatty acids of which the first double bond is in the 6 or 9 position, the starting material in question is treated with a saturated solution of urea in methanol with predetermined ratios of fatty acids to urea so as to separate the fatty acids other than the .DELTA.6 polyunsaturated in the form of an insoluble inclusion complex. The enriched fractions obtained may be treated by highperformance liquid chromatography to isolate the substantially pure .gamma.-linolenic acid. The …
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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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.