Odorant hydrophilic foam compositions

Details Odorant hydrophilic foam compositions Odorant hydrophilic foam compositions

1980-03-10

1982-01-05

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

424 28, 424 78, 521159, 521905, 521137, C08G 1814, C08G 1808, A61K 736

Patent

active

043095097

ABSTRACT:
This invention relates to hydrophilic, odorant-containing foam compositions having improved release ability of the odorant abetted by incorporating the odorant into a non-volatile, water insoluble oil or wax medium which is added to an aqueous reactant prior to reacting the aqueous reactant with a hydrophilic, isocyanate-terminated prepolymer to form a polyurethane foam.

REFERENCES:
patent: 3903232 (1975-09-01), Wood et al.
patent: 3939260 (1976-02-01), Lafon
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 4137200 (1979-01-01), Wood et al.
patent: 4226944 (1980-10-01), Stone et al.
patent: 4271272 (1981-06-01), Strickman et al.

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