Encapsulated fragrance chemicals

Details Encapsulated fragrance chemicals Encapsulated fragrance chemicals

2006-08-09

2009-02-17

Hardee, John R (Department: 1796)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Heterogeneous arrangement

Reexamination Certificate

active

07491685

ABSTRACT:
A polymeric encapsulated fragrance is disclosed which is suitable for use in personal care and cleaning products. In a preferred embodiment of the invention, the fragrance is encapsulated by a first polymer material to form a fragrance encapsulated polymer, the polymer encapsulated shell is then coated with a mixture of cationic polymers, in a preferred embodiment the coating polymers are a reaction product of polyamines (including 1H-imidazole) and (chloromethyl) oxirane or (bromomethyl) oxirane.

REFERENCES:
patent: 7122512 (2006-10-01), Brain et al.
patent: 7125835 (2006-10-01), Bennett et al.

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