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USPTO Patent Grant: Diastereomer-Enriched Odorant Mixture Preparation

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Published March 24th, 2026
Detected March 24th, 2026
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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)

← USPTO Patent Grants

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

View original document →

Named provisions

Abstract Claims

Classification

Agency
USPTO
Published
March 24th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12583833B2

Who this affects

Applies to
Manufacturers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Chemical Synthesis Product Development
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Chemical Manufacturing Consumer Products

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