Abstract: The present invention relates to a polymer obtained from the polymerization of: (i) at least one monomer of formula (I) (CH2?CR1)CO—K (I) wherein: K represents 0-Z or NH—Z, Z representing (CR2R3)m—CH3, (CH2—CH2—O)m—H, (CH2—CH2—O)m—CH3, (CH2)m—NR4R5 with m representing an integer from 1 to 30; R1, R2, R3, R4 and R5 independently represent H or a C1-C6 alkyl; and (ii) at least one bio-resorbable block copolymer cross-linker.

Abstract: An injectable biomaterial containing a non-aqueous solvent suitable for injection to a human being and nanoparticles made of a polymer that is insoluble in water and insoluble in the non-aqueous solvent, in which the nanoparticles are loaded with a drug or a biological agent. The injectable biomaterial is suitable for occluding normal or malformative blood vessels or non-circulating cavities, or for necrosing tumors.

Abstract: The present invention relates to a polymer obtained from the polymerization of: (i) at least one monomer of formula (I) (CH2?CR1)CO—K (I) wherein: K represents 0-Z or NH—Z, Z representing (CR2R3)m—CH3, (CH2—CH2—O)m—H, (CH2—CH2—O)m—CH3, (CH2)m—NR4R5 with m representing an integer from 1 to 30; R1, R2, R3, R4 and R5 independently represent H or a C1-C6 alkyl; and (ii) at least one bio-resorbable block copolymer cross-linker.

Abstract: The invention relates to an injectable biomaterial. The injectable biomaterial of the invention comprises a non aqueous solvent which is compatible for injection to human being and nanoparticles made of a polymer which is insoluble in water and insoluble in said non aqueous solvent, said nanoparticles being loaded with a drug or a biological agent. The injectable biomaterial of the invention is particularly appropriate for occluding normal or malformative blood vessels or non circulating cavities or for necrosing tumors.

Abstract: The present invention provides a biodegradable biopolymer matrix for surgical and/or therapeutic use comprising chitosan hydrochloride and dextran dialdehyde is in the ratio of 1:1 to 1:2. The invention further provides a process for preparing the biopolymer matrix and a kit for a surgical and/or therapeutic use comprising the biopolymer matrix.

Abstract: A charged biomaterial including at least one first hydrophilic polymer, and superparamagnetic iron oxide particles complexed with a second hydrophilic polymer substantially identical to or different from the first hydrophilic polymer, wherein the superparamagnetic iron oxide particles complexed with the second hydrophilic polymer are distributed substantially homogeneously and substantially without aggregates in the first hydrophilic polymer. A process for preparing a charged biomaterial including forming an aqueous solution of hydrophilic monomers and superparamagnetic iron oxide particles complexed with a hydrophilic polymer including monomers substantially identical to or different from the hydrophilic monomers, polymerizing the solution and forming a polymer hydrogel in which are distributed substantially homogeneously and substantially without aggregates the superparamagnetic iron oxide particles complexed with the hydrophilic polymer.

Abstract: The invention relates to injectable gel-forming compositions which contain an association of linear and cross-linked polymers and are embodied in the form of a suspension. The use of said compositions, in particular for filling pipes and cavities is also disclosed.

Abstract: The invention relates to novel compounds, characterized in that they comprise a hemoprotein which is associated with a sequenced block copolymer, comprising an hydrophilic segment which is an oligo or polysaccharide linked to at least one hydrophobic segment of formula (1) wherein x represents H or an radical which is alkyl, CN or CONHR, Y represents a COOR?, CONHR? or C6H5 radical, wherein R, R? and R? represent, independently from each other, a hydrogen atom, a C1-C20 linear ou branched alkyl group, a C1-C20 linear or branched alcoxy group, an amino acid radical, a mono- or poly-hydroxyl acid radical or an aryl ou heteroaryl C5-C12 radical, and forms associated with a gas. The invention can be used as blood substitutes and depolluting agents.

Abstract: The invention relates to cross-linked copolymers based on non cross-linked polycarboxylic copolymers, said non cross-linked copolymers containing at least one polysaccharide. The invention also relates to a process for the preparation of these copolymers and their use in particular as a support in pharmaceutical compositions.

Abstract: The invention concerns porous polymeric biomaterials containing a porous polymeric matrix optionally filled with biological and/or chemical active agents, the method for preparing same and their uses, in particular as implant.

Abstract: A block-structure copolymer consisting of a hydrophilic saccharide segment and at least a biodegradable hydrophobic segment of general formula (I), 1

Abstract: A charged biomaterial including at least one first hydrophilic polymer, and superparamagnetic iron oxide particles complexed with a second hydrophilic polymer substantially identical to or different from the first hydrophilic polymer, wherein the superparamagnetic iron oxide particles complexed with the second hydrophilic polymer are distributed substantially homogeneously and substantially without aggregates in the first hydrophilic polymer. A process for preparing a charged biomaterial including forming an aqueous solution of hydrophilic monomers and superparamagnetic iron oxide particles complexed with a hydrophilic polymer including monomers substantially identical to or different from the hydrophilic monomers, polymerizing the solution and forming a polymer hydrogel in which are distributed substantially homogeneously and substantially without aggregates the superparamagnetic iron oxide particles complexed with the hydrophilic polymer.

Abstract: A cross-linked copolymer based on at least one non-crosslinked polycarboxylic polysaccharide and at least one second non-crosslinked polycarboxylic polymer which is not a polycarboxylic polysaccharide and a cross-linking agent having at least two amine functions.