New forms of ambrocenide®

EP4685139A3Pending Publication Date: 2026-03-25SYMRISE GMBH & CO KG
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-07-04
Publication Date
2026-03-25

AI Technical Summary

Technical Problem

Existing methods for producing Ambrocenide®, a powerful fragrance substance, result in an amorphous form that is challenging to handle and require costly purification processes, leading to yield losses and high manufacturing costs.

Method used

A method involving the partial or full melting of an unpurified synthesis product containing 70 to 98 wt.% of compound of formula (la) and 0.01 to 5 wt.% of compound of formula (Ib), followed by vapor treatment with a solvent like water, then contacting with a cold surface to achieve solidification, resulting in a particulate product with high crystallinity and ease of handling.

Benefits of technology

The method produces a particulate form of Ambrocenide® with almost identical olfactive properties to highly purified products, eliminating the need for solvents, reducing yield losses, and lowering production costs while maintaining excellent handling characteristics.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure SREP0001
    Figure SREP0001
  • Figure SREP0002
    Figure SREP0002
Patent Text Reader

Abstract

The present invention primarily relates to a method for producing a particulate product comprising or consisting of the steps as described herein. The invention further relates to a particulate product, preferably obtained or obtainable by a method as described herein, comprising 70 to 98 wt.-% compound of formula (Ia) as defined herein and 0.01 to 5 wt.-% compound of formula (Ib) as defined herein, and to the use of a particulate product as described herein as a fragrance.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • (3aS,4aR,5S,7aS,9R,9aR)-2,2,5,8,8,9a-hexamethyloctahydro-4H-4a,9-methanoazuleno[5,6-d][1,3]dioxole

    WO2019141881A1