Patent ID: 8119587

Claim:
Microcapsules comprising a core of fragrance and a shell of an aminoplast polymer, the composition of the shell being from 75-100% of a thermoset resin comprising 50-90% of a terpolymer and from 10-50% of a polymeric stabilizer; the terpolymer comprising: (a) from 20-60% of moieties derived from at least one alkoxylated polyamine, (b) from 3-50% of moieties derived from at least one aromatic polyol; and (c) from 20-70% of moieties selected from the group consisting of: alkylene moieties and alkylenoxy moieties having 1 to 6 methylene units derived from at least one alkoxylated polyamine; the microcapsules additionally optionally comprising up to 25% of a cationic polymer.