Pva-paa hydrogels

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 3/075 (2006.01) A61F 2/30 (2006.01) A61L 27/52 (2006.01) C08L 29/04 (2006.01) C08L 33/02 (2006.01) C08L 71/02 (2006.01)

Patent

CA 2685064

The invention provides fabricated PVA-hydrogels, PVA-hydrogel-containing compositions, and methods of making the same. The invention also provides methods of implanting or administering the PVA-hydrogels, or the PVA-hydrogel-containing compositions to treat a subject in need. Methods of cross-linking pre-solidified or pre- gelled hydrogel particles and making cross-linked PVA-hydrogels, and cross-linked PVA-hydrogel-containing compositions also are disclosed herein.

La présente invention concerne des hydrogels fabriqués à base d'alcool polyvinylique (PVA), des compositions contenant de l'hydrogel à base de PVA et leurs procédés de fabrication. L'invention concerne également des procédés d'implantation ou d'administration de ces hydrogels à base de PVA, ou de ces compositions contenant de l'hydrogel à base de PVA, en vue du traitement d'un sujet en ayant besoin. La présente invention concerne, en outre, des procédés de réticulation de particules d'hydrogel pré-solidifiées ou prégélifiées et de fabrication d'hydrogels à base de PVA réticulé, ainsi que de compositions contenant de l'hydrogel à base de PVA réticulé.

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