Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Heterogeneous arrangement
Reexamination Certificate
2008-03-04
2008-03-04
Douyon, Lorna M. (Department: 1796)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Heterogeneous arrangement
C510S101000, C510S349000, C510S367000, C510S394000, C510S475000, C424S401000, C424S490000, C424S494000, C424S497000, C424S498000, C512S004000
Reexamination Certificate
active
11003869
ABSTRACT:
The present invention relates to a controlled release system that can be incorporated in cosmetic, personal care, and household products to effectively encapsulate wide range of active ingredients and sensory markers and release them in response to moisture or over an extended period of time. The controlled release system of the present invention consists of oil absorbing polymer nanospheres coated with water sensitive surface active polymers.
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Lau Willie
Schwartz Curtis
Shefer Adi
Douyon Lorna M.
Rohm and Haas Company
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