USPTO Patent Grant: Diastereomer-Enriched Odorant Mixture Preparation
Summary
The USPTO has granted patent US12583833B2 to Symrise AG for a distillative process to prepare a diastereomer-enriched odorant mixture. The patent covers the process, the enriched mixture, and its use in perfumery to impart or enhance floral odor notes.
What changed
The United States Patent and Trademark Office (USPTO) has granted patent US12583833B2 to Symrise AG. This patent details a specific distillative process for creating a diastereomer-enriched odorant mixture, primarily for use in perfumery. The claims cover the preparation method, the resulting enriched mixture, and its application in imparting or enhancing floral odor notes in perfumed products and compositions.
This patent grant signifies a new intellectual property right for Symrise AG in the field of organic chemistry and fragrance development. While not imposing direct regulatory obligations on other entities, it establishes exclusive rights that may impact competitors in the fragrance and chemical manufacturing sectors. Companies operating in this space should be aware of this granted patent and its scope to ensure they do not infringe on Symrise AG's intellectual property rights.
Source document (simplified)
Enrichment of a diastereomer in Magnolan
Grant US12583833B2 Kind: B2 Mar 24, 2026
Assignee
Symrise AG
Inventors
Marcus Eh, Susanne Borchert, Marcus Betzer, Alexandre Illan, Johannes Heppekausen
Abstract
The invention relates to a distillative process for the preparation of a diastereomer-enriched odorant mixture, and to the diastereomer-enriched odorant mixture and its use as an odorant or for the preparation of an odorant composition. Furthermore, the invention relates to the use of the diastereomer-enriched odorant mixture for imparting, modifying or enhancing a floral odour note of a perfumed product or for the preparation of a perfumed product. Finally, the present invention also relates to odorant compositions and perfumed products comprising the diastereomer-enriched odorant composition.
CPC Classifications
C07D 319/08 C11B 9/008
Filing Date
2021-08-12
Application No.
18019782
Claims
20
Named provisions
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