HYDROGEL CONTAINING HYALURONIC ACID DERIVATIVE MODIFIED WITH GALLOL GROUP AS SUBSTRATE, AND ITS USE Russian patent published in 2022 - IPC C08B37/08 C08J3/75 C08L5/08 A61L27/20 A61L27/54 A61K47/36 

FIELD: biotechnology.

SUBSTANCE: group of inventions is described, including a method for the production of hyaluronic acid hydrogel (options), hyaluronic acid hydrogel, the use of hyaluronic acid hydrogel as scaffold for tissue engineering, as a carrier for drug delivery in vivo or ex vivo, a filler composition for the improvement of skin condition, including wrinkles, an anti-adhesive barrier composition, a composition for wound dressing, a composition for the delivery of a drug with delayed release in vivo or ex vivo, a hyaluronic acid derivative, a method for smoothing wrinkles, the use of a hyaluronic acid derivative as scaffold for tissue engineering, as a carrier for drug delivery in vivo or ex vivo, compositions including a hyaluronic acid derivative: a filler composition for the improvement of skin condition, including wrinkles, an anti-adhesive barrier composition, a composition for wound dressing, a composition for the delivery of a drug with delayed release in vivo or ex vivo.

EFFECT: invention expands the arsenal of hyaluronic acid-based products with improved biocompatibility.

30 cl, 38 dwg, 7 ex