Temperature and pH sensitive copolymers

Details Temperature and pH sensitive copolymers Temperature and pH sensitive copolymers

2008-01-08

2008-01-08

Mullis, Jeffrey (Department: 1711)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

C424S486000, C424S489000, C424S078010, C424S078180, C424S078310, C424S078350, C525S242000, C525S317000, C526S258000, C526S265000, C526S303100, C526S307600

Reexamination Certificate

active

07316816

ABSTRACT:
The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising:a temperature-sensitive unit,a hydrophilic unit, anda hydrophobic unit comprising at least one pH-sensitive moiety;wherein said hydrophobic monomeric unit is derived from a copolymerisable unsaturated fatty acid.

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