Fragrance-emitting polyurethane foams

Details Fragrance-emitting polyurethane foams Fragrance-emitting polyurethane foams

1985-05-29

1986-10-21

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521137, C08G 1814

Patent

active

046186298

ABSTRACT:
Polyurethane foams having a particulate resin carrying a fragrance incorporated therein during formation of the foam are described. The physical characteristics of the foams are not detrimentally affected by the incorporation of the resin while providing a foam which will release fragrance over an extended time period.

REFERENCES:
patent: 4226944 (1980-10-01), Stone et al.
patent: 4309509 (1982-01-01), Wood
patent: 4327194 (1982-04-01), Chandalia et al.

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