Drug delivery by injection with thermoreversible gels containing polyoxyalkylene copolymers
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United States of America Patent
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Apr 26, 1994
Issued Date -
N/A
app pub date -
Nov 8, 1991
filing date -
May 1, 1990
priority date (Note) -
Expired
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Abstract
Isotonic, iso-osmotic, pH balanced thermoreversible gels are ideal medical devices or vehicles for drug injection into the body of a mammal. The osmolality in the gel state can be calculated by assuming that a polyoxyalkylene block copolymer or polyether present in said gel does not contribute to the osmolality in the gel state, although it does contribute to the osmolality in the liquid state.
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