Natural Blue Coloring Compositions For Confectionary

Patent No. EP4458163 (titled "Natural Blue Coloring Compositions For Confectionary") was filed by Oterra on May 3, 2023. The application was issued on Apr 16, 2025.

Patent Summary

A liquid natural blue coloring composition for food applications, particularly confectionary, comprises a phycocyanin-containing extract (preferably Spirulina extract), sucrose, and a starch-based compound with a Dextrose Equivalent (DE) between 19 and 23 (preferably 21). The composition is produced by sequentially adding the extract to an aqueous solution under agitation, followed by the starch-based compound, and then sucrose. The starch-based compound concentration is 1–15 w%. Sucrose concentration is 40–70 w% without salt, or 10–50 w% with salt. This formulation improves heat, acid, freezing, and panning stability compared to trehalose-based compositions. The high sugar content maintains water activity below 0.860 for microbiological protection. The composition is suitable for panned confectionary, jelly gums, and ice cream.

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
IPAZJan 16, 2026IPAZ

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

EP4458163

OTERRA
Application Number
EP23171231A
Filing Date
May 3, 2023
Status
Granted And Under Opposition
Mar 14, 2025
Publication Date
Apr 16, 2025