Amphiphilic polymeric vesicles

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

Reexamination Certificate

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C424S001210, C424S009321, C424S009510, C424S489000

Reexamination Certificate

active

06916488

ABSTRACT:
Vesicles made from amphiphilic copolymers are disclosed. The amphiphilic copolymers can be ABA copolymers, where one of A and B is hydrophilic and the other is hydrophobic. AB copolymers can also be used. The copolymers may be crosslinked to form nanocapsules. Crosslinking can be accomplished using a variety of methods, including end to end polymerization of copolymers having terminal unsaturated groups. Molecules, such as membrane proteins, can be incorporated into the wall of the vesicles or nanocapsules.

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