Polyamide microcapsules

The production of polyamide core-shell microcapsules through a specific reaction process addresses stability issues in consumer products, ensuring sustained fragrance release and performance.

JP7885507B2Active Publication Date: 2026-07-07FIRMENICH SA
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Patent Information

Application Number
JP2024164141
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2018-12-19
Filing Date
2024-09-20
Publication Date
2026-07-07
Estimated Expiration
2039-12-19

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Abstract

To provide microcapsules, and perfuming compositions and consumer products comprising the microcapsules.SOLUTION: There is provided a polyamide core-shell microcapsule comprising: an oil-based core comprising a hydrophobic material, and a polyamide shell comprising: an acyl chloride, in an amount comprised between 5 and 98% w / w; a first amino compound, in an amount comprised between 1% and 50% w / w; a second amino compound, in an amount comprised between 1% and 50% w / w; and a stabilizer, a biopolymer, in an amount comprised between 0.1 and 75% w / w, wherein the first amino-compound is an amino-acid, and the first amino compound and the second amino compound are different, and the biopolymer is protein.SELECTED DRAWING: None
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Citation Information

Patent Citations

  • Biodegradable polymer for depot and its production

    JP1987297325A

  • Production of microcapsule

    JP1992219133A

  • Multicolor heat-sensitive recording adhesive label

    JP2000272239A