METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID
The invention relates to a method of preparing a composition, the composition comprising a crosslinked first polymer, optionally a second polymer, which may be crosslinked or non-crosslinked, and water, wherein the first and the second polymer are selected from a polysaccharide, comprising at least...
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| creator | BARG, HEIKO FRIEDRICH, JOSEF VOIGTS, ROBERT G LIGMAN, TIM STEPHEN LIEBETRAU, WOLFGANG |
| description | The invention relates to a method of preparing a composition, the composition comprising a crosslinked first polymer, optionally a second polymer, which may be crosslinked or non-crosslinked, and water, wherein the first and the second polymer are selected from a polysaccharide, comprising at least steps (i) to (iv): (i) crosslinking a mixture comprising the first polymer and water; (ii) subsequent to the crosslinking in step (i), terminating the crosslinking; (iii) optionally blending the product obtained in step (ii) with the second polymer; (iv) subjecting the product obtained in step (iii) to dialysis.
La présente invention concerne un procédé de préparation d'une composition, la composition comprenant un premier polymère réticulé, facultativement un second polymère, qui peut être réticulé ou non réticulé, et de l'eau, le premier et le second polymère étant sélectionnés à partir d'un polysaccharide, comprenant au moins les étapes (i) à (iv) consistant à : (i) réticuler un mélange comprenant le premier polymère et de l'eau ; (ii) après la réticulation dans l'étape (i), interrompre la réticulation ; (iii) mélanger facultativement le produit obtenu dans l'étape (ii) avec le second polymère ; (iv) soumettre le produit obtenu dans l'étape (iii) à une dialyse. |
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La présente invention concerne un procédé de préparation d'une composition, la composition comprenant un premier polymère réticulé, facultativement un second polymère, qui peut être réticulé ou non réticulé, et de l'eau, le premier et le second polymère étant sélectionnés à partir d'un polysaccharide, comprenant au moins les étapes (i) à (iv) consistant à : (i) réticuler un mélange comprenant le premier polymère et de l'eau ; (ii) après la réticulation dans l'étape (i), interrompre la réticulation ; (iii) mélanger facultativement le produit obtenu dans l'étape (ii) avec le second polymère ; (iv) soumettre le produit obtenu dans l'étape (iii) à une dialyse.</description><language>eng ; fre</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; DERIVATIVES THEREOF ; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ; GENERAL PROCESSES OF COMPOUNDING ; HUMAN NECESSITIES ; HYGIENE ; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ; ORGANIC MACROMOLECULAR COMPOUNDS ; POLYSACCHARIDES ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; WORKING-UP</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210126&DB=EPODOC&CC=CA&NR=2876070C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210126&DB=EPODOC&CC=CA&NR=2876070C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BARG, HEIKO</creatorcontrib><creatorcontrib>FRIEDRICH, JOSEF</creatorcontrib><creatorcontrib>VOIGTS, ROBERT G</creatorcontrib><creatorcontrib>LIGMAN, TIM STEPHEN</creatorcontrib><creatorcontrib>LIEBETRAU, WOLFGANG</creatorcontrib><title>METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID</title><description>The invention relates to a method of preparing a composition, the composition comprising a crosslinked first polymer, optionally a second polymer, which may be crosslinked or non-crosslinked, and water, wherein the first and the second polymer are selected from a polysaccharide, comprising at least steps (i) to (iv): (i) crosslinking a mixture comprising the first polymer and water; (ii) subsequent to the crosslinking in step (i), terminating the crosslinking; (iii) optionally blending the product obtained in step (ii) with the second polymer; (iv) subjecting the product obtained in step (iii) to dialysis.
La présente invention concerne un procédé de préparation d'une composition, la composition comprenant un premier polymère réticulé, facultativement un second polymère, qui peut être réticulé ou non réticulé, et de l'eau, le premier et le second polymère étant sélectionnés à partir d'un polysaccharide, comprenant au moins les étapes (i) à (iv) consistant à : (i) réticuler un mélange comprenant le premier polymère et de l'eau ; (ii) après la réticulation dans l'étape (i), interrompre la réticulation ; (iii) mélanger facultativement le produit obtenu dans l'étape (ii) avec le second polymère ; (iv) soumettre le produit obtenu dans l'étape (iii) à une dialyse.</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>DERIVATIVES THEREOF</subject><subject>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>POLYSACCHARIDES</subject><subject>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDydQ3x8HdR8HdTCAhyDXAM8vRzV3BUcPb3DfAP9gzx9PdTcHIMdgUq8FPwiHT0CQ3y9_N0VnB09nThYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXxzo5GFuZmBuYGzsaEVQAA-TAn4Q</recordid><startdate>20210126</startdate><enddate>20210126</enddate><creator>BARG, HEIKO</creator><creator>FRIEDRICH, JOSEF</creator><creator>VOIGTS, ROBERT G</creator><creator>LIGMAN, TIM STEPHEN</creator><creator>LIEBETRAU, WOLFGANG</creator><scope>EVB</scope></search><sort><creationdate>20210126</creationdate><title>METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID</title><author>BARG, HEIKO ; FRIEDRICH, JOSEF ; VOIGTS, ROBERT G ; LIGMAN, TIM STEPHEN ; LIEBETRAU, WOLFGANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2876070C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2021</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>DERIVATIVES THEREOF</topic><topic>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>POLYSACCHARIDES</topic><topic>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>BARG, HEIKO</creatorcontrib><creatorcontrib>FRIEDRICH, JOSEF</creatorcontrib><creatorcontrib>VOIGTS, ROBERT G</creatorcontrib><creatorcontrib>LIGMAN, TIM STEPHEN</creatorcontrib><creatorcontrib>LIEBETRAU, WOLFGANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BARG, HEIKO</au><au>FRIEDRICH, JOSEF</au><au>VOIGTS, ROBERT G</au><au>LIGMAN, TIM STEPHEN</au><au>LIEBETRAU, WOLFGANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID</title><date>2021-01-26</date><risdate>2021</risdate><abstract>The invention relates to a method of preparing a composition, the composition comprising a crosslinked first polymer, optionally a second polymer, which may be crosslinked or non-crosslinked, and water, wherein the first and the second polymer are selected from a polysaccharide, comprising at least steps (i) to (iv): (i) crosslinking a mixture comprising the first polymer and water; (ii) subsequent to the crosslinking in step (i), terminating the crosslinking; (iii) optionally blending the product obtained in step (ii) with the second polymer; (iv) subjecting the product obtained in step (iii) to dialysis.
La présente invention concerne un procédé de préparation d'une composition, la composition comprenant un premier polymère réticulé, facultativement un second polymère, qui peut être réticulé ou non réticulé, et de l'eau, le premier et le second polymère étant sélectionnés à partir d'un polysaccharide, comprenant au moins les étapes (i) à (iv) consistant à : (i) réticuler un mélange comprenant le premier polymère et de l'eau ; (ii) après la réticulation dans l'étape (i), interrompre la réticulation ; (iii) mélanger facultativement le produit obtenu dans l'étape (ii) avec le second polymère ; (iv) soumettre le produit obtenu dans l'étape (iii) à une dialyse.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF DISINFECTION, STERILISATION, OR DEODORISATION OF AIR GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | METHOD OF PREPARING A COMPOSITION BASED ON HYALURONIC ACID |
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