AU2005320976A1 - Biodegradable, super absorbent polymer hydrogels and a method for their preparation - Google Patents
Biodegradable, super absorbent polymer hydrogels and a method for their preparation Download PDFInfo
- Publication number
- AU2005320976A1 AU2005320976A1 AU2005320976A AU2005320976A AU2005320976A1 AU 2005320976 A1 AU2005320976 A1 AU 2005320976A1 AU 2005320976 A AU2005320976 A AU 2005320976A AU 2005320976 A AU2005320976 A AU 2005320976A AU 2005320976 A1 AU2005320976 A1 AU 2005320976A1
- Authority
- AU
- Australia
- Prior art keywords
- water
- gel
- weight
- carbodiimide
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000017 hydrogel Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920000247 superabsorbent polymer Polymers 0.000 title claims abstract description 7
- 239000000499 gel Substances 0.000 claims abstract description 77
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 34
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 34
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 34
- 150000001718 carbodiimides Chemical class 0.000 claims abstract description 22
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920002678 cellulose Polymers 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 13
- 238000004132 cross linking Methods 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 11
- 230000008961 swelling Effects 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000003377 acid catalyst Substances 0.000 claims abstract description 6
- 239000003495 polar organic solvent Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 229920000642 polymer Polymers 0.000 claims description 37
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 20
- 239000012153 distilled water Substances 0.000 claims description 19
- 239000002250 absorbent Substances 0.000 claims description 18
- 230000002745 absorbent Effects 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical group CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 claims description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- 238000013270 controlled release Methods 0.000 claims description 6
- 235000015097 nutrients Nutrition 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 235000015872 dietary supplement Nutrition 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 229920001515 polyalkylene glycol Polymers 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 239000000590 phytopharmaceutical Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 29
- 238000010521 absorption reaction Methods 0.000 description 22
- 238000012360 testing method Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 5
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 5
- 229940105329 carboxymethylcellulose Drugs 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012669 compression test Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 229920000867 polyelectrolyte Polymers 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 150000003672 ureas Chemical class 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 229920002988 biodegradable polymer Polymers 0.000 description 2
- 239000004621 biodegradable polymer Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011326 mechanical measurement Methods 0.000 description 2
- 235000017807 phytochemicals Nutrition 0.000 description 2
- 229930000223 plant secondary metabolite Natural products 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000004067 bulking agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 231100000135 cytotoxicity Toxicity 0.000 description 1
- 230000003013 cytotoxicity Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 238000010889 donnan-equilibrium Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 229920002674 hyaluronan Polymers 0.000 description 1
- -1 hyaluronic acid Chemical class 0.000 description 1
- 229960003160 hyaluronic acid Drugs 0.000 description 1
- 235000006796 hypocaloric diet Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002106 nanomesh Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000019627 satiety Nutrition 0.000 description 1
- 230000036186 satiety Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/26—Cellulose ethers
- C08J2301/28—Alkyl ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Preparation (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Biological Depolymerization Polymers (AREA)
- Materials For Medical Uses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Jellies, Jams, And Syrups (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITTO2004A000918 | 2004-12-29 | ||
| IT000918A ITTO20040918A1 (it) | 2004-12-29 | 2004-12-29 | Idrogel polimerici superassorbenti biodegradabili e procedimento per la loro preparazione |
| PCT/IB2005/054412 WO2006070337A2 (en) | 2004-12-29 | 2005-12-28 | Biodegradable, super absorbent polymer hydrogels and a method for their preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2005320976A1 true AU2005320976A1 (en) | 2006-07-06 |
Family
ID=36615302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2005320976A Abandoned AU2005320976A1 (en) | 2004-12-29 | 2005-12-28 | Biodegradable, super absorbent polymer hydrogels and a method for their preparation |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20080227944A1 (https=) |
| EP (1) | EP1836227B1 (https=) |
| JP (1) | JP2008533215A (https=) |
| CN (1) | CN101128488A (https=) |
| AT (1) | ATE468357T1 (https=) |
| AU (1) | AU2005320976A1 (https=) |
| BR (1) | BRPI0517581A (https=) |
| CA (1) | CA2591801A1 (https=) |
| DE (1) | DE602005021400D1 (https=) |
| IT (1) | ITTO20040918A1 (https=) |
| RU (1) | RU2007128946A (https=) |
| WO (1) | WO2006070337A2 (https=) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1648952B1 (en) | 2003-06-03 | 2018-03-07 | THE UNITED STATES GOVERNMENT as represented by THE DEPARTMENT OF HEALTH AND HUMAN SERVICES | Nutritional supplements and therapeutic compositions comprising (r)-3-hydroxybutyrate derivatives |
| US20070287630A1 (en) * | 2006-06-12 | 2007-12-13 | Driwater, Inc. | Moisturizing agent with nutrients |
| JP5165217B2 (ja) * | 2006-07-07 | 2013-03-21 | 生化学工業株式会社 | ゲル状又はフィルム状組成物並びにその製造方法及び用途 |
| GB2445818B8 (en) * | 2006-09-15 | 2011-06-22 | Japan Atomic Energy Agency | Preparation of gels derived from carboxymethyl cellulose alkali metal salt |
| JP4288618B2 (ja) * | 2006-09-15 | 2009-07-01 | 独立行政法人 日本原子力研究開発機構 | カルボキシメチルセルロースゲルの製造方法 |
| MX2010001629A (es) * | 2007-08-10 | 2010-08-09 | Alessandro Sannino | Hidrogeles de polimero y metodos de preparacion de los mismos. |
| AU2013204055C1 (en) * | 2007-08-10 | 2016-12-15 | Gelesis Llc | Polymer hydrogels and methods of preparation thereof |
| AU2016219713B2 (en) * | 2007-08-10 | 2018-03-29 | Gelesis Llc | Polymer hydrogels and methods of preparation thereof |
| US20100209708A1 (en) * | 2007-09-17 | 2010-08-19 | Basf Se | Crosslinked cellulose beads |
| CN101177488B (zh) * | 2007-10-26 | 2010-05-19 | 广东工业大学 | 一种快速溶胀的水凝胶制备 |
| DK2240017T3 (da) | 2008-01-04 | 2019-06-17 | Univ Oxford Innovation Ltd | Ketonlegemer og ketonlegemsestere som blodlipid-sænkende midler |
| US8642654B2 (en) | 2009-04-16 | 2014-02-04 | Isis Innovation Limited | Hydroxybutyrate ester and medical use thereof |
| KR101932616B1 (ko) * | 2008-11-18 | 2018-12-27 | 젤레시스 엘엘씨 | 체중 관리 및 혈당 조절 개선을 위한 방법 및 조성물 |
| CN101845123B (zh) * | 2009-03-25 | 2011-12-21 | 青岛生物能源与过程研究所 | 一种生物基无机复合型吸水材料的制备方法 |
| IT1393778B1 (it) | 2009-04-06 | 2012-05-08 | Sannino | Procedimento per il trattamento di rifiuti. |
| GB201002983D0 (en) * | 2010-02-22 | 2010-04-07 | Tdeltas Ltd | Nutritinal composition |
| CN101864036B (zh) * | 2010-06-03 | 2011-07-20 | 济南大学 | 利用植物秸秆合成高吸水树脂的方法 |
| KR101742345B1 (ko) | 2010-08-20 | 2017-05-31 | 에스엔에스 나노 피버 테크놀로지, 엘엘씨 | 나노섬유 부직포를 포함하는 직물 복합 물질 |
| CN102153665B (zh) * | 2011-03-11 | 2012-06-27 | 陕西农产品加工技术研究院 | 一种以苹果渣为原料制备高吸水凝胶的方法 |
| EP2717685B1 (en) | 2011-06-07 | 2018-08-22 | Gelesis LLC | Method for producing hydrogels |
| CN102276854B (zh) * | 2011-07-08 | 2013-01-02 | 西安交通大学 | 一种高强度天然高分子水凝胶的制备方法 |
| CN102443180A (zh) * | 2011-09-15 | 2012-05-09 | 复旦大学 | 一种制备纤维素复合气凝胶的方法 |
| EP2914251B1 (en) | 2012-11-05 | 2019-08-21 | The United States of America, as represented by The Secretary, Department of Health and Human Services | Ketone bodies to protect tissues from damage by ionizing radiation |
| GB201304467D0 (en) | 2013-03-12 | 2013-04-24 | Tdeltas Ltd | Compound for use in protecting skin |
| SG11201507685UA (en) | 2013-03-14 | 2015-10-29 | Isis Innovation | Process for producing (r)-3-hydroxybutyl (r)-3-hydroxybutyrate |
| CA2950482C (en) | 2014-06-20 | 2022-12-06 | Gelesis, Llc | Methods for treating overweight or obesity |
| CN104448396B (zh) * | 2014-11-28 | 2017-06-16 | 武汉大学 | 一种基于化学和物理交联的双网络纤维素凝胶系材料 |
| CA2974967C (en) | 2015-01-29 | 2023-06-27 | Gelesis Llc | Method for producing hydrogels coupling high elastic modulus and absorbance |
| EP3144340A1 (en) | 2015-09-17 | 2017-03-22 | Solvay Acetow GmbH | Polymer gels, method of preparation and uses thereof |
| KR102009909B1 (ko) * | 2015-10-07 | 2019-08-21 | 주식회사 엘지화학 | 고흡수성 수지 단일 입자의 파쇄강도 측정 방법 |
| JP7132128B2 (ja) | 2016-04-25 | 2022-09-06 | ジェレシス，エルエルシー | 便秘の治療方法 |
| CN106963673B (zh) * | 2017-02-16 | 2021-02-23 | 玉林祺钟商贸有限公司 | 一种睫毛液及其制备方法 |
| WO2019023060A2 (en) | 2017-07-28 | 2019-01-31 | Kimberly-Clark Worldwide, Inc. | NANOPOROUS SUPERABSORBENT PARTICLES |
| US12076447B2 (en) | 2017-07-28 | 2024-09-03 | Kimberly-Clark Worldwide, Inc. | Absorbent article containing nanoporous superabsorbent particles |
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-
2004
- 2004-12-29 IT IT000918A patent/ITTO20040918A1/it unknown
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2005
- 2005-12-28 BR BRPI0517581-0A patent/BRPI0517581A/pt not_active IP Right Cessation
- 2005-12-28 RU RU2007128946/04A patent/RU2007128946A/ru not_active Application Discontinuation
- 2005-12-28 US US11/722,855 patent/US20080227944A1/en not_active Abandoned
- 2005-12-28 AU AU2005320976A patent/AU2005320976A1/en not_active Abandoned
- 2005-12-28 CA CA002591801A patent/CA2591801A1/en not_active Abandoned
- 2005-12-28 JP JP2007548949A patent/JP2008533215A/ja active Pending
- 2005-12-28 DE DE602005021400T patent/DE602005021400D1/de not_active Expired - Lifetime
- 2005-12-28 EP EP05850918A patent/EP1836227B1/en not_active Expired - Lifetime
- 2005-12-28 WO PCT/IB2005/054412 patent/WO2006070337A2/en not_active Ceased
- 2005-12-28 CN CNA2005800487308A patent/CN101128488A/zh active Pending
- 2005-12-28 AT AT05850918T patent/ATE468357T1/de not_active IP Right Cessation
Also Published As
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| JP2008533215A (ja) | 2008-08-21 |
| CN101128488A (zh) | 2008-02-20 |
| WO2006070337A9 (en) | 2007-06-21 |
| ITTO20040918A1 (it) | 2005-03-29 |
| EP1836227B1 (en) | 2010-05-19 |
| WO2006070337A3 (en) | 2007-03-01 |
| RU2007128946A (ru) | 2009-02-10 |
| BRPI0517581A (pt) | 2008-10-14 |
| DE602005021400D1 (de) | 2010-07-01 |
| WO2006070337A2 (en) | 2006-07-06 |
| US20080227944A1 (en) | 2008-09-18 |
| ATE468357T1 (de) | 2010-06-15 |
| CA2591801A1 (en) | 2006-07-06 |
| EP1836227A2 (en) | 2007-09-26 |
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