Abstract: The present invention relates to a carboxyalkyl chitosan having a zeta potential, measured at pH 7.5, that is less than or equal to ?20 mV, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The present invention relates to a carboxyalkyl chitosan having a zeta potential, measured at pH 7.5, that is less than or equal to ?20 mV, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The present invention relates to a carboxyalkyl chitosan, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The present invention relates to a carboxyalkyl chitosan, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The invention relates to beads and a composition comprising an aqueous phase comprising a plurality of beads, the beads comprising or consisting in a hydrogel matrix comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetyl-glucosamine units and glucosamine units substituted with a carboxyalkyl group, the carboxyalkyl chitosan being crosslinked by covalent bonds between the carboxyalkyl chitosan chains and/or co-crosslinked by covalent bonds with one or more other polymers. The invention also relates to processes for their preparation and applications thereof.

Abstract: The present invention relates to a crosslinked carboxyalkyl chitosan forming a matrix, compositions comprising same, a method for manufacturing same, and the different applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, aesthetic medicine, plastic surgery, internal surgery, dermatology, gynecology or cosmetics. The invention relates in particular to a matrix comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetylglucosamine units and glucosamine units substituted with a carboxyalkyl group, the carboxyalkyl chitosan having a degree of acetylation ranging from 40% to 80%, expressed as the number of moles of N-acetyl groups relative to the number of moles of total glucosamine units, the carboxyalkyl chitosan being crosslinked by covalent bonds between the chains of carboxyalkyl chitosan.

Abstract: The present invention relates to a carboxyalkyl chitosan, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgely, dermatology or cosmetics.

Abstract: The present invention relates to a carboxyalkyl chitosan having a zeta potential, measured at pH 7.5, that is less than or equal to ?20 mV, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The invention relates to a thermogelling composition comprising a chitosan having N-acetyl-glucosamine units, glucosamine units, and substituted glucosamine units other than the N-acetyl-glucosamine units, said substituted chitosan preferably having a degree of substitution of the glucosamine units ranging from 10 to 50%, expressed as a number of moles of the substituent based on the number of moles of total units, to its preparation and to its applications.

Abstract: The present invention relates to hydrogel microbeads comprising at least water, chitosan, at least one polyphosphate compound, water being present at a concentration of at least 85% by mass of hydrogel, said microbeads having an average number diameter ranging from 100 to 900 ?m. The present invention also relates to their manufacturing method and their uses, in particular in pharmaceutical compositions or medical devices, more particularly for treating an articular pathology.

Abstract: The invention relates to a sterilized thermogelling composition comprising a chitosan having N-acetyl-glucosamine units, glucosamine units, and substituted glucosamine units other than the N-acetyl-glucosamine units, said substituted chitosan preferably having a degree of substitution of the glucosamine units ranging from 10 to 50%, expressed as a number of moles of the substituent based on the number of moles of total units, to its preparation and to its applications.

Abstract: The invention relates to a thermogelling composition comprising a chitosan having N-acetyl-glucosamine units, glucosamine units, and substituted glucosamine units other than the N-acetyl-glucosamine units, said substituted chitosan preferably having a degree of substitution of the glucosamine units ranging from 10 to 50%, expressed as a number of moles of the substituent based on the number of moles of total units, to its preparation and to its applications.