Aqueous emulsions of essential oils or of fat-soluble substances and process for preparation thereof
CA 1231031 A · Owner: Societe Anonyme Styled: Pernod-Ricard · Inventors: Clauzure, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides crystallization-resistant emulsions of anethole comprising anethole a continuous, phase selected from the group consisting of water and water containing alcohol, an emulsifying agent selected from the group consisting of saponins and bile salts, and at least one triglyceride to retard the crystallization of anethole. The present invention further provides a process for preparing such emulsions comprising the steps of: (a) mixing said anethole ingredient with said emulsifying agent and said triglyceride; (b) thereafter adding said continuous phase to the mixture obtained in step (a); and (c) stirring the mixture to form the desired emulsion.
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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 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
- 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.