Optically active muscone composition and fragrances or cosmetics containing the same
CA 2587666 C · Owner: Yagi, Misao · Inventors: Yagi, Misao; Maruyama, Kenji; Matsuda, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Problem) The object of the invention relates to a development of a new musk-feeling fragrance material which is a highly scenting musk-feeling fragrance and is to, provide a fragrance composition which when added to , fragrances or cosmetics can improve the fixative property , and express a high performance and excellent musky aromatic quality. (Means for resolution) A fragrance composition is prepared using, as the active ingredient a mixture of , (R)--form of optically active muscone with (S)-form of optically active muscone with the mixing ratio thereof within the range of from 90:10 to 95:5 (weight ratio) in terms of weight ratio, or a mixture of (R)-form of optically active …
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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
- Filed November 12, 2004 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.