Blends Containing Enantiomerically Pure Ambrocenide(R)

Patent No. EP3672692 (titled "Blends Containing Enantiomerically Pure Ambrocenide(R)") was filed by Symrise on Aug 25, 2017. The application was issued on Aug 16, 2023.

Patent Summary

The invention provides a mixture comprising compound (Ia) and containing less than 0.01 wt.% of compound (Ib), and preferably compounds (Ic) and/or (Id), based on total mixture weight. Compound (Ia) is identified as the primary odorically active component of Ambrocenide®. The mixture may further include compounds of formulas (II) through (VI). It is used in fragrance compositions (e.g., perfume oils) and perfumed products (e.g., detergents, cosmetics, air fresheners) to impart, modify, or enhance olfactory notes—specifically flowery, amber, woody, musk, violet, citrus, and aldehyde—or to mask unpleasant odors. The mixture is produced by reacting $\alpha,\alpha$-cedranediol (IIIa) with dimethoxypropane, where the starting material contains less than 0.01 wt.% of $\beta,\beta$-cedranediol (IIIb) and preferably (IIIc) and/or (IIId).

UPC Cases New

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Case NumberFiling DatePlaintiffProceeding Type
UPC_CFI_0001940/2025Dec 11, 2025SymriseInfringement

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CompanyOpposition DateRepresentative
FLAVORS AND FRAGRANCESMay 15, 2024MEWBURN ELLIS

Dossier Documents

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  • Date

    Description

EP3672692

SYMRISE
Application Number
EP17758517A
Filing Date
Aug 25, 2017
Status
Granted And Under Opposition
Jul 14, 2023
Publication Date
Aug 16, 2023