Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Reexamination Certificate
2011-02-15
2011-02-15
Gulakowski, Randy (Department: 1766)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
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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J. Newton et al,: “Silicone-Based Vesicle Delivery Systems” Cosmetics & Toiletries, vol. 119, No. 12, 2004, pp. 53-60.
Lin Shaow
Nguyen Kimmai
Dow Corning Corporation
Gulakowski Randy
Loewe Robert
Zombeck Alan
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