CN103261233A - 新的纤维素醚以及它们的用途 - Google Patents
新的纤维素醚以及它们的用途 Download PDFInfo
- Publication number
- CN103261233A CN103261233A CN2011800593073A CN201180059307A CN103261233A CN 103261233 A CN103261233 A CN 103261233A CN 2011800593073 A CN2011800593073 A CN 2011800593073A CN 201180059307 A CN201180059307 A CN 201180059307A CN 103261233 A CN103261233 A CN 103261233A
- Authority
- CN
- China
- Prior art keywords
- cellulose
- ether
- temperature
- hydroxyalkyl
- anhydroglucose unit
- 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
- 229920003086 cellulose ether Polymers 0.000 title abstract description 19
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 claims abstract description 89
- 239000002775 capsule Substances 0.000 claims abstract description 54
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 51
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 47
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- 125000001033 ether group Chemical group 0.000 claims abstract description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 212
- 229920002678 cellulose Polymers 0.000 claims description 126
- 239000001913 cellulose Substances 0.000 claims description 126
- 239000000203 mixture Substances 0.000 claims description 78
- 239000007864 aqueous solution Substances 0.000 claims description 61
- 238000001879 gelation Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 38
- 238000003860 storage Methods 0.000 claims description 33
- 229920000609 methyl cellulose Polymers 0.000 claims description 26
- 239000001923 methylcellulose Substances 0.000 claims description 26
- 238000009472 formulation Methods 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 23
- 238000001556 precipitation Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 12
- 238000007598 dipping method Methods 0.000 claims description 12
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 3
- 239000008199 coating composition Substances 0.000 claims description 3
- 239000002552 dosage form Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 71
- 239000012071 phase Substances 0.000 description 46
- 239000003153 chemical reaction reagent Substances 0.000 description 43
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 34
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 34
- 230000001035 methylating effect Effects 0.000 description 34
- 210000001138 tear Anatomy 0.000 description 33
- 235000011121 sodium hydroxide Nutrition 0.000 description 27
- -1 methoxyl group Chemical group 0.000 description 26
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 25
- 239000011541 reaction mixture Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 18
- 229940050176 methyl chloride Drugs 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 16
- 239000002002 slurry Substances 0.000 description 16
- 238000005259 measurement Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 12
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 11
- 238000001035 drying Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 230000002152 alkylating effect Effects 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000375 suspending agent Substances 0.000 description 5
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 239000007902 hard capsule Substances 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 4
- 230000003534 oscillatory effect Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 239000004902 Softening Agent Substances 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 235000014633 carbohydrates Nutrition 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 101000748141 Homo sapiens Ubiquitin carboxyl-terminal hydrolase 32 Proteins 0.000 description 2
- 239000005662 Paraffin oil Substances 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 102100040050 Ubiquitin carboxyl-terminal hydrolase 32 Human genes 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- 229910000043 hydrogen iodide Inorganic materials 0.000 description 2
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 2
- 239000007937 lozenge Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000829 suppository Substances 0.000 description 2
- 239000003826 tablet Substances 0.000 description 2
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical class CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 1
- 101710134784 Agnoprotein Proteins 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920002148 Gellan gum Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920003108 Methocel™ A4M Polymers 0.000 description 1
- 229920003094 Methocel™ K4M Polymers 0.000 description 1
- 241000235388 Mucorales Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000007963 capsule composition Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000015872 dietary supplement Nutrition 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000989 food dye Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000000216 gellan gum Substances 0.000 description 1
- 235000010492 gellan gum Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- HVTICUPFWKNHNG-BJUDXGSMSA-N iodoethane Chemical group [11CH3]CI HVTICUPFWKNHNG-BJUDXGSMSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 102220167146 rs115562835 Human genes 0.000 description 1
- 102220103394 rs772658698 Human genes 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- 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
- C08B11/02—Alkyl or cycloalkyl ethers
-
- 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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- 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
- A61K9/4816—Wall or shell material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/07—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; 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
-
- 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
- A61K9/4841—Filling excipients; Inactive ingredients
- A61K9/4866—Organic macromolecular compounds
-
- 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
- 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
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/07—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use
- A61J3/071—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use into the form of telescopically engaged two-piece capsules
- A61J3/077—Manufacturing capsule shells
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
碳原子的类型 | ECN增量 |
烃 | 100 |
伯醇 | 55 |
仲醇 | 45 |
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39207910P | 2010-10-12 | 2010-10-12 | |
US61/392,079 | 2010-10-12 | ||
PCT/US2011/055050 WO2012051035A1 (en) | 2010-10-12 | 2011-10-06 | Novel cellulose ethers and their use |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103261233A true CN103261233A (zh) | 2013-08-21 |
CN103261233B CN103261233B (zh) | 2016-05-25 |
Family
ID=44801229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180059307.3A Active CN103261233B (zh) | 2010-10-12 | 2011-10-06 | 新的纤维素醚以及它们的用途 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9394376B2 (zh) |
EP (1) | EP2627676B1 (zh) |
JP (1) | JP5902697B2 (zh) |
KR (1) | KR101860707B1 (zh) |
CN (1) | CN103261233B (zh) |
BR (1) | BR112013005642B1 (zh) |
WO (1) | WO2012051035A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106883461A (zh) * | 2015-12-16 | 2017-06-23 | 信越化学工业株式会社 | 用于形成膜的组合物 |
CN107188971A (zh) * | 2016-03-15 | 2017-09-22 | 信越化学工业株式会社 | 具有高的热凝胶强度的羟丙基甲基纤维素、其生产方法及含其的食品 |
CN107567462A (zh) * | 2015-05-15 | 2018-01-09 | 陶氏环球技术有限责任公司 | 用于制造具有极高分子量和低粘度的酯化纤维素醚的方法 |
CN110945032A (zh) * | 2017-08-16 | 2020-03-31 | 陶氏环球技术有限责任公司 | 低分子量纤维素醚的受控制备方法 |
CN112088170A (zh) * | 2018-06-12 | 2020-12-15 | 花王株式会社 | 改性纤维素纤维的制造方法和改性纤维素纤维 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012173838A1 (en) * | 2011-06-14 | 2012-12-20 | Dow Global Technologies Llc | Food composition comprising a cellulose ether |
BR112014020719B1 (pt) * | 2012-04-11 | 2020-03-03 | Dow Global Technologies Llc | Forma de dosagem de liberação constante, método para preparar uma forma de dosagem de liberação constante e uso de um éter de celulose |
US9364546B2 (en) | 2012-04-11 | 2016-06-14 | Dow Global Technologies Llc | Melt-extruded composition comprising a cellulose ether |
US9757465B2 (en) * | 2012-04-11 | 2017-09-12 | Dow Global Technologies Llc | Composition comprising an organic diluent and a cellulose ether |
CN102816247A (zh) * | 2012-08-20 | 2012-12-12 | 新疆光大山河化工科技有限公司 | 一种特低粘度羟丙基甲基纤维素的制备方法 |
BR112015019577B1 (pt) * | 2013-04-12 | 2022-02-08 | Nutrition & Biosciences Usa 1, Llc | Processo para preparar uma solução aquosa de uma metilcelulose, solução aquosa de uma metilcelulose livre de proteínas e medicamento, alimento, ingrediente de alimento ou suplemento alimentício |
CN105358133B (zh) * | 2013-07-17 | 2017-04-26 | 陶氏环球技术有限责任公司 | 用于施加到粘膜的包含羟烷基甲基纤维素的组合物 |
JP6073525B2 (ja) * | 2013-09-25 | 2017-02-01 | ダウ グローバル テクノロジーズ エルエルシー | セルロースエーテルを含む粘膜に適用するための組成物 |
US10189748B2 (en) * | 2014-01-16 | 2019-01-29 | Dow Global Technologies Llc | Heat moldable ceramic composition |
JP6203702B2 (ja) | 2014-11-18 | 2017-09-27 | 信越化学工業株式会社 | ヒプロメロース酢酸エステルコハク酸エステルを用いたスプレードライ用溶液及び固体分散体の製造方法 |
MX2017011302A (es) | 2015-03-05 | 2018-01-23 | Dow Global Technologies Llc | Material para envasado que comprende composicion antimicrobiana. |
WO2016140781A1 (en) | 2015-03-05 | 2016-09-09 | Dow Global Technologies Llc | Material for packaging comprising antimicrobial composition |
EP3386481A1 (en) * | 2015-12-08 | 2018-10-17 | Dow Global Technologies Llc | Compositions comprising cellulose ethers and water-soluble esterified cellulose ethers |
EP3216807B2 (en) * | 2016-03-09 | 2022-05-18 | Shin-Etsu Chemical Co., Ltd. | Coating composition containing methyl cellulose, method for producing the same, and solid preparation |
US11136415B2 (en) | 2017-03-23 | 2021-10-05 | Shin-Etsu Chemical Co., Ltd. | Method for producing hydroxypropyl methyl cellulose |
US10723807B2 (en) * | 2017-03-31 | 2020-07-28 | Shin-Etsu Chemical Co., Ltd. | Method for producing hydroxyalkyl alkyl cellulose |
CN107184562A (zh) * | 2017-05-10 | 2017-09-22 | 中象新材料(大连)有限公司 | 一种玉米麸皮淀粉空心胶囊及其制备方法 |
WO2019022820A1 (en) | 2017-07-26 | 2019-01-31 | Dow Global Technologies Llc | PROCESS FOR PRODUCTION OF HYDROXYALKYL METHYLCELLULOSE HYDROGEL |
WO2019108266A1 (en) | 2017-11-29 | 2019-06-06 | Dow Global Technologies Llc | Hydrogels based on hydroxyalkyl methylcellulose |
JP2022512510A (ja) | 2018-12-18 | 2022-02-04 | ディディピー スペシャルティ エレクトロニック マテリアルズ ユーエス,エルエルシー | ヒドロキシアルキルメチルセルロースを含む徐放性組成物 |
JP7128782B2 (ja) * | 2019-08-09 | 2022-08-31 | 信越化学工業株式会社 | エアゾール食品用組成物、ヒドロキシプロピルメチルセルロース及びヒドロキシプロピルメチルセルロースの製造方法 |
JP7311448B2 (ja) * | 2020-03-13 | 2023-07-19 | 信越化学工業株式会社 | フィルム成形用組成物及びフィルム |
JP7426316B2 (ja) | 2020-09-16 | 2024-02-01 | 日清食品ホールディングス株式会社 | メチルセルローススラリー及びその製造方法並びに該メチルセルローススラリーを含む肉様蛋白加工食品及びその製造方法 |
CN117440974A (zh) | 2021-06-08 | 2024-01-23 | 营养与生物科学美国1有限责任公司 | 用于生产甲基纤维素或羟烷基甲基纤维素的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001211A (en) * | 1974-12-02 | 1977-01-04 | The Dow Chemical Company | Pharmaceutical capsules from improved thermogelling methyl cellulose ethers |
US6235893B1 (en) * | 1999-04-01 | 2001-05-22 | The Dow Chemical Company | Process for making cellulose ether having enhanced gel strength |
US20030065165A1 (en) * | 2001-07-20 | 2003-04-03 | Wolfgang Dannhorn | Process of preparing alkylhydroxyalkylcellulose |
CN101595133A (zh) * | 2006-10-27 | 2009-12-02 | 辉瑞产品公司 | 羟丙基甲基纤维素硬胶囊及制备方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2526683A (en) | 1946-04-13 | 1950-10-24 | Lilly Co Eli | Methyl cellulose capsules and process of manufacture |
GB1144225A (en) | 1965-09-07 | 1969-03-05 | Dow Chemical Co | Preparation of medicinal capsule shells from hydroxyalkyl-alkyl cellulose ethers |
US3839319A (en) * | 1973-01-26 | 1974-10-01 | Dow Chemical Co | Hydroxypropyl methylcellulose ethers and method of preparation |
JPS5038782A (zh) * | 1973-08-10 | 1975-04-10 | ||
US3873518A (en) * | 1973-12-14 | 1975-03-25 | Dow Chemical Co | Water soluble ternary cellulose ethers |
DE2917104A1 (de) | 1979-04-27 | 1980-11-06 | Hoechst Ag | Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung |
DE3316124A1 (de) | 1983-05-03 | 1984-11-08 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
US4477657A (en) | 1983-07-08 | 1984-10-16 | The Dow Chemical Company | Process for preparing hydroxyalkylcellulose ethers |
JPS6225101A (ja) | 1985-07-24 | 1987-02-03 | Shin Etsu Chem Co Ltd | 低重合度セルロ−スエ−テルの製造方法 |
DE4015160A1 (de) * | 1990-05-11 | 1991-11-14 | Wolff Walsrode Ag | Methylhydroxypropylcelluloseether und verfahren zu ihrer herstellung |
JP2959423B2 (ja) | 1994-12-01 | 1999-10-06 | シオノギクオリカプス株式会社 | カプセル用皮膜組成物 |
US6261218B1 (en) | 1998-12-01 | 2001-07-17 | The Dow Chemical Company | Process and apparatus for making low molecular weight cellulose ethers |
WO2000059947A1 (en) | 1999-04-01 | 2000-10-12 | The Dow Chemical Company | Enhanced gel strength methylcellulose |
US6228416B1 (en) | 1999-04-01 | 2001-05-08 | The Dow Chemical Company | Cellulose ether having enhanced gel strength and compositions containing it |
KR100379674B1 (ko) | 2000-03-06 | 2003-04-10 | 주식회사 서흥캅셀 | 펙틴과 글리세린의 배합용액을 이용한 셀룰로오스 캅셀 및그의 제조방법 |
CN1507453A (zh) | 2001-05-21 | 2004-06-23 | 陶氏环球技术公司 | 生产烷基羟烷基纤维素醚的方法 |
DE10141680B4 (de) | 2001-08-25 | 2004-02-26 | Clariant Gmbh | Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern |
DE102004019296B4 (de) | 2004-04-21 | 2006-01-05 | Wolff Cellulosics Gmbh & Co. Kg | Verfahren zur Herstellung von Methylhydroxyalkylcellulose |
JP2007031407A (ja) * | 2005-07-29 | 2007-02-08 | Shin Etsu Chem Co Ltd | 低置換度セルロースエーテル含有コーティング用組成物及び不快な味が隠蔽されたフィルムコーティング製剤 |
JP2009522394A (ja) | 2005-12-30 | 2009-06-11 | サムスン ファイン ケミカルズ カンパニー リミテッド | 高収率でヒドロキシアルキルアルキルセルロースエーテルを製造する方法 |
US20080262216A1 (en) | 2007-04-20 | 2008-10-23 | Shin-Etsu Chemical Co., Ltd. | Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved |
US9174879B2 (en) | 2007-11-30 | 2015-11-03 | Corning Incorporated | Ceramic precursor batch composition and method of increasing ceramic precursor batch extrusion rate |
US20090218711A1 (en) | 2008-02-28 | 2009-09-03 | David Dasher | Method of increasing ceramic paste stiffening/gelation temperature by using a salt and precursor batch |
JP6073525B2 (ja) | 2013-09-25 | 2017-02-01 | ダウ グローバル テクノロジーズ エルエルシー | セルロースエーテルを含む粘膜に適用するための組成物 |
-
2011
- 2011-10-06 WO PCT/US2011/055050 patent/WO2012051035A1/en active Application Filing
- 2011-10-06 JP JP2013533885A patent/JP5902697B2/ja active Active
- 2011-10-06 EP EP11770311.6A patent/EP2627676B1/en active Active
- 2011-10-06 CN CN201180059307.3A patent/CN103261233B/zh active Active
- 2011-10-06 US US13/825,697 patent/US9394376B2/en active Active
- 2011-10-06 KR KR1020137009217A patent/KR101860707B1/ko active IP Right Grant
- 2011-10-06 BR BR112013005642-8A patent/BR112013005642B1/pt active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001211A (en) * | 1974-12-02 | 1977-01-04 | The Dow Chemical Company | Pharmaceutical capsules from improved thermogelling methyl cellulose ethers |
US6235893B1 (en) * | 1999-04-01 | 2001-05-22 | The Dow Chemical Company | Process for making cellulose ether having enhanced gel strength |
US20030065165A1 (en) * | 2001-07-20 | 2003-04-03 | Wolfgang Dannhorn | Process of preparing alkylhydroxyalkylcellulose |
CN101595133A (zh) * | 2006-10-27 | 2009-12-02 | 辉瑞产品公司 | 羟丙基甲基纤维素硬胶囊及制备方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107567462A (zh) * | 2015-05-15 | 2018-01-09 | 陶氏环球技术有限责任公司 | 用于制造具有极高分子量和低粘度的酯化纤维素醚的方法 |
CN107567462B (zh) * | 2015-05-15 | 2020-10-16 | 陶氏环球技术有限责任公司 | 用于制造具有极高分子量和低粘度的酯化纤维素醚的方法 |
CN106883461A (zh) * | 2015-12-16 | 2017-06-23 | 信越化学工业株式会社 | 用于形成膜的组合物 |
CN106883461B (zh) * | 2015-12-16 | 2019-10-25 | 信越化学工业株式会社 | 用于形成膜的组合物 |
CN107188971A (zh) * | 2016-03-15 | 2017-09-22 | 信越化学工业株式会社 | 具有高的热凝胶强度的羟丙基甲基纤维素、其生产方法及含其的食品 |
CN110945032A (zh) * | 2017-08-16 | 2020-03-31 | 陶氏环球技术有限责任公司 | 低分子量纤维素醚的受控制备方法 |
CN110945032B (zh) * | 2017-08-16 | 2022-03-18 | 陶氏环球技术有限责任公司 | 低分子量纤维素醚的受控制备方法 |
CN112088170A (zh) * | 2018-06-12 | 2020-12-15 | 花王株式会社 | 改性纤维素纤维的制造方法和改性纤维素纤维 |
Also Published As
Publication number | Publication date |
---|---|
EP2627676B1 (en) | 2017-03-08 |
KR20140000679A (ko) | 2014-01-03 |
JP5902697B2 (ja) | 2016-04-13 |
BR112013005642A2 (pt) | 2020-10-06 |
EP2627676A1 (en) | 2013-08-21 |
KR101860707B1 (ko) | 2018-07-02 |
US20130236512A1 (en) | 2013-09-12 |
WO2012051035A1 (en) | 2012-04-19 |
JP2013539815A (ja) | 2013-10-28 |
US9394376B2 (en) | 2016-07-19 |
BR112013005642B1 (pt) | 2021-12-07 |
CN103261233B (zh) | 2016-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103261233A (zh) | 新的纤维素醚以及它们的用途 | |
CN100558748C (zh) | 可溶性、缔合的羧甲基纤维素,其制造方法以及应用 | |
JP6831897B2 (ja) | メチルセルロースの製造方法及びメチルセルロース | |
CN107406522B (zh) | 酯化纤维素醚的凝胶化 | |
US9382336B2 (en) | Method for preparing cellulose ether having low degree of polymerization and cellulose ether prepared thereby | |
JP6321779B2 (ja) | 嗜好性が改善された水溶性多糖類 | |
EP2836235B1 (en) | Novel sustained release dosage forms | |
WO2007023513A1 (ja) | 溶解性の改善されたセルロース誘導体の製造製法 | |
CN104250305A (zh) | 用于制备储存稳定性优异的水溶性非离子纤维素醚的方法 | |
JP6271817B1 (ja) | 水不溶性粒子の含有量を減少させた水溶性セルロース誘導体を生成するための方法 | |
JP4410581B2 (ja) | 溶解性の改善されたセルロース誘導体の製造製法 | |
JP6174806B2 (ja) | セルロース誘導体及び液体希釈剤の混合物を調製するためのプロセス | |
EP4026542A1 (en) | Film molding composition and film | |
JP2002256001A (ja) | セルロースエーテル及びその製造方法 | |
JP2021143317A (ja) | フィルム成形用組成物及びフィルム | |
CN117529522A (zh) | 具有高粉末溶解温度的甲基纤维素 | |
KR101156365B1 (ko) | 용해성이 개선된 셀룰로오스 유도체의 제조 방법 | |
CN118055952A (zh) | 新颖的羟烷基甲基纤维素及其用途 | |
JPS58109501A (ja) | ガラクトマンナンのヒドロキシアルキルエ−テルの製造方法 | |
MXPA01005297A (en) | Method for the production of low-viscous water-soluble cellulose ethers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: New York State, USA Patentee after: Nutrition and biotechnology USA first LLC Address before: Delaware, USA Patentee before: DDP special electronic materials USA Co.,Ltd. Effective date of registration: 20210518 Address after: Delaware, USA Patentee after: DDP special electronic materials USA Co.,Ltd. Address before: Delaware, USA Patentee before: DDP special electronic materials American Co. Effective date of registration: 20210518 Address after: Delaware, USA Patentee after: DDP special electronic materials American Co. Address before: michigan Patentee before: THE DOW CHEMICAL Co. Effective date of registration: 20210518 Address after: michigan Patentee after: THE DOW CHEMICAL Co. Address before: michigan Patentee before: DOW GLOBAL TECHNOLOGIES LLC |