Patent ID: 8404836

Claim:
A 3-phenyl acrylic acid compound having the following formula (I): in which: R1 is a hydroxyl radical or an alkoxy radical; R2 is an alkyl radical or an alkoxy radical or an aralkoxy radical; R3 is hydrogen atom, a butyl radical or an optionally substituted aralkyl radical, or OR3 is a polyether radical; R4 is a hydrogen, a halogen, an alkyl radical or an alkoxy radical; R5 is an alkyl radical, an optionally substituted aryl radical or an optionally substituted aralkyl radical; X is a CH 2 radical; Y is an oxygen atom, an NR6 radical, a radical OSO 2 , OCO, NR6CO or NR6SO 2 , R6 is a hydrogen atom or an alkyl radical; or a salt thereof with a pharmaceutically acceptable acid or base, or a pharmaceutically acceptable solvate or hydrate thereof.