Patent ID: 7119060

Claim:
A solid hydrophobic particle for use as a controlled delivery system for fabric comprising: a solid particle comprising (i) a hydrophobic material selected from a natural wax or synthetic wax, said natural wax is selected from the group consisting of: animal waxes, beeswax; lanolin, shellac wax, vegetable wax, carnauba wax, candelilla wax, cutina wax, bayberry wax, and mixtures thereof, said synthetic wax is selected from a group consisting of: ethylene-acrylic acid copolymer; polyamide polymer having a molecular weight in the range of from about 6,000 up to about 12,000; and polyethylene-vinyl acetate copolymer, (ii) an active agent, (iii) a cationic charge booster of polyalkyleneimine, and a cationic fabric softener agent selected from the group consisting of an alkyl ammonium fabric softening compound and cationic imidazolinium.