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231 results about "Perfume compound" patented technology

Encapsulation of bulky fragrance molecules

The present invention relates to a fragrance composition to be incorporated into the core of a core shell capsule comprising:
    • I) 60-100% by weight of at least 5 fragrance compounds, 20-100% by weight of said fragrance compounds comprising at least 3 bulky molecules having a molecular weight of less than 325 atomic mass units, conforming to the following structures:
    • a) molecules containing more than one ring, each ring having between 3 and 8 atoms of any of carbon, oxygen, nitrogen or sulfur in any ring and atoms being shared by any of the rings;
    • b) molecules having at least two rings, each ring having between 3 and 8 atoms of any of carbon, oxygen, nitrogen or sulfur in which any rings share a common atom;
    • c) molecules having at least two rings, each ring having between 3 and 8 atoms of any carbon, oxygen, nitrogen or sulfur in which any two rings share at least two adjacent common atoms;
    • d) molecules containing a single alicyclic ring which contains at least 5 atoms, but no more than 8 atoms, of any of carbon, oxygen, nitrogen and sulfur in which at least one of the carbon atoms of the ring has two substituents, or a carbon atom alpha to the ring is tertiary carbon atom, or the ring has substituents on at least three of the atoms which make up the ring;
    • e) molecules containing at least one macrocyclic ring, which is a ring having more greater than eight atoms of any of carbon, nitrogen oxygen or sulfur in the ring;
    • f) molecules containing at least one substituted aromatic ring containing at least 5 atoms of any of carbon, oxygen, nitrogen or sulfur, but in which at least one substituents has a tertiary carbon in a position alpha or beta to the ring;
    • g) molecules containing a substituted aromatic ring comprising at least 5 atoms with at least 3 substituents groups on the ring all of which must contain at least 2 atoms from among carbon, oxygen, nitrogen or sulfur; and
    • II) 0-40% by weight of pro-fragrances, solvents, and other benefit agents which possess any of the structural features a) to g) but are not constrained by the molecular weight restrictions.
Owner:TAKASAGO INTERNATIONAL CORPORATION
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