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WO/2021/127807A1 |
A process to prepare a dual-crosslinked hydrogel, comprising the following steps: 1) functionalizing a glycosaminoglycan such as hyaluronic acid with a methacrylate on hydroxyl group and with a dihydrazide on carboxyl group to obtain a m...
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WO/2021/134084A1 |
The disclosure relates to compositions comprising crosslinked hyaluronic acid physically mixed with collagen. Also contemplated are methods of improving an aesthetic quality of an anatomic feature of a human being.
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WO/2021/126109A1 |
The invention related to the aerogel, which has drawn attention in the world and in our country in recent years, has been examined for its possible use in many areas ranging from automotive, space and aviation industries, construction to...
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WO/2021/119864A1 |
Disclosed is a multi-polymer hydrogel used as a medical device for administering pharmaceutical and cellular therapeutic components, which comprises at least the following components: 2-4% chitosan; 0.01-4% polyvinyl alcohol; 2-4% starch...
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WO/2021/124147A1 |
The present invention refers to a synthesis process of cross-linked hyaluronic acid, cross-linked hyaluronic acid, a cross-linking agent and the topical or systemic use of cross-linked hyaluronic acid.
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WO/2021/123480A1 |
The invention relates to an aqueous solution of an inclusion complex which comprises: a chitosan with a molecular weight comprised between 100,000 and 300,000 g/mol as a carrier agent and at least one biologically active compound applica...
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WO/2021/122942A1 |
The present invention relates to the use of a methacrylate or acrylate modified polysaccharide; or a single-chain polysaccharide methacrylate or acrylate-based nanoparticle, having a surface tension measured by Du Noüy Ring method equal...
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WO/2021/115310A1 |
The present invention relates to the field of medical biomaterials, in particular to a cross-linked hyaluronic acid gel as well as a method for preparing a cross-linked hyaluronic acid gel, the method at least comprising the following st...
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WO/2021/116069A1 |
A process for producing a composition comprising a crosslinked hydrogel is proposed. The process comprises providing a container body (2), wherein the container body (2) has a body inner wall (21) and a body outer wall (22), wherein the ...
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WO/2021/111303A1 |
Described are high molecular weight glycosaminoglycan (GAG) hydrogel compositions comprising GAGs covalently crosslinked with a carbohydrate crosslinker, and methods of making the high molecular weight GAG hydrogel compositions. Further ...
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WO/2021/104547A1 |
The present invention relates to compounds of general formula (I) (I) wherein Cg is -CH2-C≡CH or -CH2-CH=CH2; R is independently selected from the group consisting of (Cl-C6)alkyl, which may be linear or branched; (C5-C6)cykloalkyl; R1...
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WO/2021/108756A1 |
A packaging material composition may be biodegradable and water-soluble. The packaging material may include a biodegradable nonionic polysaccharide, a biodegradable ionic polysaccharide, and a plasticizer. Optionally, additional componen...
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WO/2021/105547A1 |
The present invention relates to polymer dispersion obtainable by free radical polymerization reaction of hemicellulose with one or more ethylenically unsaturated monomers. The invention relates also to coated paper products wherein the ...
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WO/2021/101883A1 |
Compositions containing chitosan and a cationic polysaccharide or functionalized cationic polysaccharide and methods for using these compositions to treat corneal transplant are described herein. The compositions can be applied to the ey...
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WO/2021/098185A1 |
The present invention relates to the technical field of natural polysaccharides for in-vivo implantation, in particular to a method for preparing water-soluble alginate for in-vivo implantation. The method comprises: taking commercially ...
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WO/2021/101111A2 |
An apparatus for manufacturing high-purity cross-linked hyaluronic acid according to an embodiment of the present invention comprises a container, a dispersing member, a pressing member, and a separating member. The container is a member...
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WO/2021/100044A1 |
A method of finishing a filamentous material includes the application of an active finishing mixture to a filamentous material. The active finishing mixture includes a cyclodextrin and at least one active agent. The method utilizes finis...
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WO/2021/093355A1 |
Provided are a three-dimensional Frike gel dosimeter, a preparation method and application thereof. In order to accurately determine the radiation dose, a Frike dosimeter is used to measure the radiation dose. The three-dimensional Frike...
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WO/2021/093110A1 |
The present disclosure relates to the technical field of hyaluronic acid cross-linking, in particular to a preparation method for cross-linked hyaluronic acid dry powder, comprising the following steps: (1) dissolving hyaluronic acid in ...
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WO/2021/091040A1 |
The present invention provides a method for producing a hydrogel using mushroom- or fungus-derived chitosan or derivatives thereof which are crosslinked by self-assembly to have a viscosity of 5000 to 55000 cP; and a hydrogel produced th...
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WO/2021/090023A1 |
The present invention relates to a method of processing macroalgae in which superheated water is used in an initial pre-treatment step prior to extraction of a polysaccharide. In particular, the invention relates to a process for obtaini...
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WO/2021/088515A1 |
Disclosed is a chitosan, kojic acid and chlorokojic acid composite bacteriostatic preservative film. The composite bacteriostatic preservative film at least comprises a first composite film and a second composite film stackingly disposed...
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WO/2021/090997A1 |
The present invention relates to a photo-crosslinked hyaluronic acid sponge and to a manufacturing method thereof and, more particularly, to a photo-crosslinked hyaluronic acid sponge and a manufacturing method thereof, the sponge being ...
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WO/2021/092222A1 |
A halosilicone oil in the form of an uncrosslinked terpolymer represented by the following Formula (I): (I) is disclosed, wherein at least one block forming component includes a halogenated, preferably fluorinated, substituent such as 2,...
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WO/2021/092228A1 |
Disclosed herein are compositions comprising insoluble alpha-glucan particles having a high degree of crystallinity and small particle size. For example, the alpha-glucan particles can have a degree of crystallinity of at least about 0.6...
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WO/2021/081786A1 |
The present invention relates to a molded article with a metallic appearance and a process for making the same. Particularly, the present invention relates to a molded article having a part that comprises a layer with a sandwich structure.
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WO/2021/086072A1 |
The present invention relates to the manufacture of a photo-crosslinkable biodegradable tissue adhesive using a copolymer, and provides a hyaluronic acid copolymer compound having excellent elongation, mechanical properties, and tissue a...
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WO/2021/082186A1 |
The present application relates to the technical field of medical conductive materials, and provides a medical conductive gel and a preparation method therefor. The medical conductive gel comprises the following components in percentage ...
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WO/2021/086081A1 |
The present invention relates to the manufacture of a photo-crosslinkable biodegradable tissue adhesive, and provides a novel hyaluronic acid compound having excellent elongation and excellent adhesive force even in skin and mucosal tiss...
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WO/2021/086053A1 |
The present invention relates to a method for preparing a chitosan succinate having excellent solubility and biocompatibility, and to a chitosan succinate prepared thereby. The method for preparing a chitosan succinate according to the p...
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WO/2021/077380A1 |
A bifunctional starch-based composite nanoparticle, and a preparation method therefor and use thereof. The preparation method comprises: hydrolyzing starch to form a linear dextrin, and fractionating the linear dextrin by means of an alc...
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WO/2021/079076A1 |
The present invention relates to the field of stretch films used in the cosmetic and agri-food packaging sectors. More specifically, the present invention relates to a stretch film comprising konjac and carrageenan in a mass ratio of bet...
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WO/2021/080345A1 |
Provided are an injectable intraocular microgel and a hydrogel which are safe to the body and capable of a long-term drug release in an eyeball. The injectable intraocular microgel may have a form in which a drug is loaded onto a hyaluro...
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WO/2021/077681A1 |
A hyaluronic acid gel composition for water optoinjection, containing 1) disulfide bond crosslinked hyaluronic acid, the content of the hyaluronic acid in a gel being not greater than 10 mg/mL; and 2) a non-crosslinked hyaluronic acid. W...
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WO/2021/072661A1 |
Disclosed are an electroactive and degradable supramolecular microgel and drug-loaded supramolecular microgel, and a preparation method and a use thereof. The supramolecular microgel comprises chitosan, hydroquinone and an auxiliary mate...
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WO/2021/067372A1 |
Disclosed are films and materials comprising poly(alkylene glycol)-chitosan and/or chitin-poly(glucuronic acid) and chitosan and/or chitin-poly(glucuronic acid). Methods of making such films, particularly involving thermally crosslinking...
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WO/2021/063640A1 |
The present invention is directed to a polysaccharide foil comprising a polysaccharide polymer and a plasticizer, wherein the polysaccharide polymer originates from fermentation of a bacterium or a fungus such as Ascomycota. The inventio...
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WO/2021/062555A1 |
Topical formulations comprising one or more cannabinoids, one or more terpenes, and one or more flavonoids; and methods and uses thereof for the treatment of an integumentary wound, wherein the one or more cannabinoids comprise tetrahydr...
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WO/2021/065899A1 |
A thermally conductive resin sheet according to the present invention: contains 1,000 ppm or less of a compound that has a thermal conductivity of 5 W/m·K or higher, has a 30% compressive strength of 2,000 kPa or less, and comprises an ...
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WO/2021/059119A1 |
Process for the treatment of biomass comprising chitin with a process solvent selected from a eutectic solvent consisting of a hydrogen bond acceptor and a hydrogen bond donor, an ionic liquid and/or a mixture of said eutectic solvent an...
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WO/2021/060730A1 |
The present invention relates to a hydrogel composition for tissue regeneration, and a support prepared using same. More specifically, the present invention comprises anionic polysaccharides, aminated hyaluronic acid, and collagen. The h...
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WO/2021/053057A1 |
A grafted glycosaminoglycan polymer is disclosed. The grafted glycosaminoglycan polymer comprises a glycosaminoglycan having a polymer backbone and one or more side chains comprising a polyalkylene glycol-containing residue grafted onto ...
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WO/2021/054063A1 |
Provided are: particles each comprising a polymer and having a particle diameter suitable for use in a drug delivery system (DDS) or the like; and a method for producing the particles. Also provided are a drug and an anti-cancer agent ea...
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WO/2021/048208A1 |
The invention relates to a compound of the following formula (I): formula (I), in which either R1 is a -Y-Nu group and R2 is H, or R1 is H and R2 is a -Y-Nu group and H, wherein Y is, in particular, -O-(CH2)m-, and m is 1, 2, or 3.
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WO/2021/049822A1 |
The present invention relates to a freeze-drying mold and a method of manufacturing a water-soluble polymer sphere using same, and more specifically, to a freeze-drying mold and a method of manufacturing a water-soluble polymer sphere us...
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WO/2021/050634A1 |
In order to produce chondroitin sulfate in an animal-free manner, engineered E. coli host cells were modified so as to reduce expression of an endogenous gene for fructosyltransferase (kfoE); reduce expression of an endogenous gene for 3...
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WO/2021/049735A1 |
The present application relates to a facial mask composition using optical stimulation and a cosmetic product comprising same, and more specifically, to a facial mask cured by irradiating ultraviolet rays or visible light on a facial mas...
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WO/2021/045203A1 |
Provided are: a polymer material that has a polysiloxane backbone and that has excellent mechanical properties and high hygroscopicity; and a production method for the polymer material. The present invention is a polymer material havin...
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WO/2021/040493A1 |
The present invention relates to a hydrogel composition for preventing tissue adhesion, and a preparation method therefor, and the hydrogel composition is composed of a polyethylene oxide-polypropylene oxide-polyethylene oxide terpolymer...
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WO/2021/030850A1 |
The invention relates to a method for producing transfer paper for dye sublimation printing processes, a transfer paper for dye sublimation printing processes and a method for printing on textiles. The method for producing transfer paper...
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