Sustained release aromatic

Details Sustained release aromatic Sustained release aromatic

1988-04-08

1989-11-14

Reamer, James H.

Perfume compositions

Perfume compositions

With preservative, stabilizer, or fixative

512 3, 512 4, A61K 746

Patent

active

048807745

ABSTRACT:
A sustained release aromatic comprises a clathrate compound composed of a perfume and a polyphenyl compound and gives out fragrance slowly but steadily over a long period of time. It is produced by a process comprising melting under heat a perfume which is a solid at an ordinary room temperature, and adding a polyphenyl compound to the molten perfume. Alternatively, a perfume which is a liquid at an ordinary room temperature is mixed with a polyphenyl compound so that they may react with each other, and a solid reaction product is separated from their mixture.

REFERENCES:
patent: 3994439, Van Breen et al.
patent: 4199481 (1980-04-01), Hall et al.
patent: 4356115 (1982-10-01), Shibanai et al.

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