Aqueous dispersions of silicone polyether block copolymers

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes

Reexamination Certificate

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C424S070120

Reexamination Certificate

active

07887834

ABSTRACT:
Aqueous dispersions of (AB)nsilicone polyether block copolymers, methods for preparing the dispersion compositions, and personal, household, and healthcare formulations containing the compositions are disclosed. The aqueous dispersions can be either vesicle or emulsion compositions depending on the (AB)nsilicone polyether block copolymers structure and method of preparing the dispersion.

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