FR2639639A1 - Organosoluble chitosan derivatives, process for their preparation and their uses - Google Patents
Organosoluble chitosan derivatives, process for their preparation and their uses Download PDFInfo
- Publication number
- FR2639639A1 FR2639639A1 FR8815675A FR8815675A FR2639639A1 FR 2639639 A1 FR2639639 A1 FR 2639639A1 FR 8815675 A FR8815675 A FR 8815675A FR 8815675 A FR8815675 A FR 8815675A FR 2639639 A1 FR2639639 A1 FR 2639639A1
- Authority
- FR
- France
- Prior art keywords
- chitosan
- sep
- acid
- formula
- carried out
- 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.)
- Granted
Links
- 229920001661 Chitosan Polymers 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 10
- 230000005494 condensation Effects 0.000 claims abstract description 10
- 230000007062 hydrolysis Effects 0.000 claims abstract description 7
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 9
- -1 aliphatic aldehyde Chemical class 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical group [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 238000013467 fragmentation Methods 0.000 claims description 2
- 238000006062 fragmentation reaction Methods 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 claims 1
- 239000012346 acetyl chloride Substances 0.000 claims 1
- 238000010668 complexation reaction Methods 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 238000005886 esterification reaction Methods 0.000 abstract description 2
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 150000003934 aromatic aldehydes Chemical class 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- 150000001299 aldehydes Chemical class 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- KSMVZQYAVGTKIV-UHFFFAOYSA-N decanal Chemical compound CCCCCCCCCC=O KSMVZQYAVGTKIV-UHFFFAOYSA-N 0.000 description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 239000007859 condensation product Substances 0.000 description 6
- 230000006196 deacetylation Effects 0.000 description 6
- 238000003381 deacetylation reaction Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- HFJRKMMYBMWEAD-UHFFFAOYSA-N dodecanal Chemical compound CCCCCCCCCCCC=O HFJRKMMYBMWEAD-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- FXHGMKSSBGDXIY-UHFFFAOYSA-N heptanal Chemical compound CCCCCCC=O FXHGMKSSBGDXIY-UHFFFAOYSA-N 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N pentanal Chemical compound CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 4
- UHUFTBALEZWWIH-UHFFFAOYSA-N tetradecanal Chemical compound CCCCCCCCCCCCCC=O UHUFTBALEZWWIH-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- TUCNEACPLKLKNU-UHFFFAOYSA-N acetyl Chemical compound C[C]=O TUCNEACPLKLKNU-UHFFFAOYSA-N 0.000 description 3
- 238000005917 acylation reaction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 229920001282 polysaccharide Polymers 0.000 description 3
- 239000005017 polysaccharide Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 229920002101 Chitin Polymers 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 2
- 230000010933 acylation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 150000003222 pyridines Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DKZBBWMURDFHNE-UHFFFAOYSA-N trans-coniferylaldehyde Natural products COC1=CC(C=CC=O)=CC=C1O DKZBBWMURDFHNE-UHFFFAOYSA-N 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OLEQLHYSYODKCC-UHFFFAOYSA-N 1,2-dichloroethane;ethanol Chemical compound CCO.ClCCCl OLEQLHYSYODKCC-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- SXAMGRAIZSSWIH-UHFFFAOYSA-N 2-[3-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,2,4-oxadiazol-5-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NOC(=N1)CC(=O)N1CC2=C(CC1)NN=N2 SXAMGRAIZSSWIH-UHFFFAOYSA-N 0.000 description 1
- 0 CCC(C(CO*)*C(COC)C1N*)C1O* Chemical compound CCC(C(CO*)*C(COC)C1N*)C1O* 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- 102000003886 Glycoproteins Human genes 0.000 description 1
- 108090000288 Glycoproteins Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- CDXSJGDDABYYJV-UHFFFAOYSA-N acetic acid;ethanol Chemical compound CCO.CC(O)=O CDXSJGDDABYYJV-UHFFFAOYSA-N 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002523 gelfiltration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- PGXWDLGWMQIXDT-UHFFFAOYSA-N methylsulfinylmethane;hydrate Chemical compound O.CS(C)=O PGXWDLGWMQIXDT-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000021962 pH elevation Effects 0.000 description 1
- 210000002741 palatine tonsil Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical group 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 239000007974 sodium acetate buffer Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
- A23K40/35—Making capsules specially adapted for ruminants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/736—Chitin; Chitosan; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5015—Organic compounds, e.g. fats, sugars
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Birds (AREA)
- Dermatology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Cosmetics (AREA)
- Medicinal Preparation (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8815675A FR2639639A1 (en) | 1988-11-30 | 1988-11-30 | Organosoluble chitosan derivatives, process for their preparation and their uses |
| NZ231575A NZ231575A (en) | 1988-11-30 | 1989-11-29 | An organosoluble chitosan derivative, preparation and use thereof |
| US07/442,622 US5077052A (en) | 1988-11-30 | 1989-11-29 | Chitosan derivatives useful in compositions for coating feedstuff additives intended for ruminants |
| SU894742531A RU1823878C (ru) | 1988-11-30 | 1989-11-29 | Способ получени органорастворимых производных хитозана |
| EP89403307A EP0371878A1 (fr) | 1988-11-30 | 1989-11-29 | Compositions pour l'enrobage d'additifs alimentaires destinés aux ruminants |
| HU896314A HU202252B (en) | 1988-11-30 | 1989-11-29 | Process for producing new kitozane derivatives and food additives coated with them |
| CA002004195A CA2004195A1 (fr) | 1988-11-30 | 1989-11-29 | Composition pour l'enrobage d'additifs alimentaires destines aux ruminants |
| DK602489A DK602489A (da) | 1988-11-30 | 1989-11-29 | Praeparater til overtraekning af foder til droevtyggere |
| ZA899096A ZA899096B (en) | 1988-11-30 | 1989-11-29 | Novel chitosan derivatives useful in compositions for coating feedstuff additives intended for ruminants |
| AU45707/89A AU625520B2 (en) | 1988-11-30 | 1989-11-29 | Novel chitosan derivatives useful in compositions for coating feedstuff additives intended for ruminants |
| KR1019890017421A KR900007871A (ko) | 1988-11-30 | 1989-11-29 | 신규 키토산 유도체, 그의 제조 방법, 그를 함유하는 피복용 조성물 및 피복된 과립 |
| PT92466A PT92466B (pt) | 1988-11-30 | 1989-11-30 | Processo de preparacao de derivados do quitosano e de composicoes e granulados que os contem |
| BR898906257A BR8906257A (pt) | 1988-11-30 | 1989-11-30 | Derivados organossoluveis do quitosan,processo de preparacao destes derivados,utilizacao dos quitosans,composicao para o revestimento de aditivos e granulados revestidos |
| JP1309408A JPH0739441B2 (ja) | 1988-11-30 | 1989-11-30 | 反芻動物を対象とする飼料添加剤の被覆用組成物において有用な新規キトサン誘導体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8815675A FR2639639A1 (en) | 1988-11-30 | 1988-11-30 | Organosoluble chitosan derivatives, process for their preparation and their uses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2639639A1 true FR2639639A1 (en) | 1990-06-01 |
| FR2639639B1 FR2639639B1 (en:Method) | 1991-02-01 |
Family
ID=9372437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8815675A Granted FR2639639A1 (en) | 1988-11-30 | 1988-11-30 | Organosoluble chitosan derivatives, process for their preparation and their uses |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR900007871A (en:Method) |
| FR (1) | FR2639639A1 (en:Method) |
| ZA (1) | ZA899096B (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19630879A1 (de) * | 1996-07-31 | 1998-02-05 | Hanno Lutz Prof Dr Baumann | Verfahren zur Herstellung blutverträglicher Werkstoffe durch Oberflächenbeschichtung von synthetischen Polymeren mit wasserlöslichen Substanzen aus natürlichen oder modifizierten Oligo- und Polysacchariden über kovalente Bindungen |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2151950T3 (es) * | 1994-12-22 | 2001-01-16 | Ciba Sc Holding Ag | Quitosanos n-cianometilados y sus productos hidrolizados. |
| KR100497579B1 (ko) * | 2001-11-16 | 2005-07-01 | 장동규 | 황 함유 고분자를 이용한 플라스틱 안경렌즈 재료와 이를 이용한 플라스틱 안경렌즈 |
| KR20200106729A (ko) | 2019-03-05 | 2020-09-15 | 주식회사 케이오씨솔루션 | 광학렌즈용 내부이형제 조성물 및 이를 포함하는 에폭시 아크릴계 광학렌즈용 조성물 |
| KR20200109779A (ko) | 2019-03-14 | 2020-09-23 | 주식회사 케이오씨솔루션 | 광학렌즈의 열안정성과 이형성을 향상시키기 위한 조성물 및 이를 포함하는 에폭시 아크릴계 광학렌즈용 조성물 |
| KR102394396B1 (ko) * | 2020-04-20 | 2022-05-06 | 에스케이씨 주식회사 | 디이소시아네이트 조성물 및 이를 이용하여 제조된 광학 렌즈 |
-
1988
- 1988-11-30 FR FR8815675A patent/FR2639639A1/fr active Granted
-
1989
- 1989-11-29 ZA ZA899096A patent/ZA899096B/xx unknown
- 1989-11-29 KR KR1019890017421A patent/KR900007871A/ko not_active Withdrawn
Non-Patent Citations (2)
| Title |
|---|
| CARBOHYDRATE POLYMERS, vol. 3, no. 1, 1983, pages 53-75, Applied Science Publishers Ltd, Barking, Essex, GB; R.A.A. MUZZARELLI: "Chitin and its derivatives: "New trends of applied research" * |
| CARBOHYDRATE RESEARCH, vol. 71, 1979, pages 344-348, Elsevier Scientific Publishing Co., Amsterdam, NL; S. HIRANO et al.: "N-methylenechitosan gels, and some of their properties as media for gel chromatography" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19630879A1 (de) * | 1996-07-31 | 1998-02-05 | Hanno Lutz Prof Dr Baumann | Verfahren zur Herstellung blutverträglicher Werkstoffe durch Oberflächenbeschichtung von synthetischen Polymeren mit wasserlöslichen Substanzen aus natürlichen oder modifizierten Oligo- und Polysacchariden über kovalente Bindungen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2639639B1 (en:Method) | 1991-02-01 |
| KR900007871A (ko) | 1990-06-02 |
| ZA899096B (en) | 1990-08-29 |
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