Pharmaceutical composition with gelling properties containing a tyrosine derivative
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United States of America Patent
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Aug 26, 2014
Grant Date -
Aug 25, 2011
app pub date -
Jan 30, 2009
filing date -
Jan 31, 2008
priority date (Note) -
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Abstract
The present invention relates to an injectable pharmaceutical composition with gelling properties containing: -an active principle; a hydrophobic and bio-compatible organic liquid; and an organogelling substance, the molecules of which have the capacity to bind together via bonds of low energy, wherein the organogelling substance is chosen among L-tyrosine derivatives responding to the following formula (I) wherein: R1 is an alkyl group containing 1 to 3 carbon atoms, linear or branched; and R2 is a hydrophobic group chosen among aliphatic saturated or unsaturated fatty chains or aryl or arylalkyl groups. Its use as a vector for the release of active principles, as well as its process of preparation.
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