NO342021B1 - Kontinuerlig krystalliseringsprosess - Google Patents
Kontinuerlig krystalliseringsprosess Download PDFInfo
- Publication number
- NO342021B1 NO342021B1 NO20081020A NO20081020A NO342021B1 NO 342021 B1 NO342021 B1 NO 342021B1 NO 20081020 A NO20081020 A NO 20081020A NO 20081020 A NO20081020 A NO 20081020A NO 342021 B1 NO342021 B1 NO 342021B1
- Authority
- NO
- Norway
- Prior art keywords
- solvent
- crystallizer
- process according
- antisolvent
- crystallization
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000002425 crystallisation Methods 0.000 title claims abstract description 68
- 230000008025 crystallization Effects 0.000 title claims abstract description 68
- 230000008569 process Effects 0.000 title claims abstract description 66
- 239000002904 solvent Substances 0.000 claims abstract description 58
- 238000009835 boiling Methods 0.000 claims abstract description 20
- 238000000746 purification Methods 0.000 claims abstract description 11
- 239000012296 anti-solvent Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- NBQNWMBBSKPBAY-UHFFFAOYSA-N iodixanol Chemical compound IC=1C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C(I)C=1N(C(=O)C)CC(O)CN(C(C)=O)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NBQNWMBBSKPBAY-UHFFFAOYSA-N 0.000 claims description 24
- 229960004359 iodixanol Drugs 0.000 claims description 24
- NTHXOOBQLCIOLC-UHFFFAOYSA-N iohexol Chemical compound OCC(O)CN(C(=O)C)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NTHXOOBQLCIOLC-UHFFFAOYSA-N 0.000 claims description 23
- 229960001025 iohexol Drugs 0.000 claims description 22
- 238000004821 distillation Methods 0.000 claims description 12
- 150000001298 alcohols Chemical class 0.000 claims description 4
- 238000010533 azeotropic distillation Methods 0.000 claims description 3
- 150000002170 ethers Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 49
- 239000012043 crude product Substances 0.000 abstract description 27
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052740 iodine Inorganic materials 0.000 abstract description 2
- 239000011630 iodine Substances 0.000 abstract description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 42
- 239000000047 product Substances 0.000 description 32
- 239000000243 solution Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 23
- 239000013078 crystal Substances 0.000 description 19
- 239000000725 suspension Substances 0.000 description 16
- 239000002872 contrast media Substances 0.000 description 10
- -1 acetamino Chemical group 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 8
- 239000012452 mother liquor Substances 0.000 description 7
- 239000000539 dimer Substances 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 239000013543 active substance Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000010923 batch production Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 125000006303 iodophenyl group Chemical group 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- XQZXYNRDCRIARQ-LURJTMIESA-N iopamidol Chemical compound C[C@H](O)C(=O)NC1=C(I)C(C(=O)NC(CO)CO)=C(I)C(C(=O)NC(CO)CO)=C1I XQZXYNRDCRIARQ-LURJTMIESA-N 0.000 description 3
- 229960004647 iopamidol Drugs 0.000 description 3
- XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- 229960004108 iobitridol Drugs 0.000 description 2
- YLPBXIKWXNRACS-UHFFFAOYSA-N iobitridol Chemical compound OCC(O)CN(C)C(=O)C1=C(I)C(NC(=O)C(CO)CO)=C(I)C(C(=O)N(C)CC(O)CO)=C1I YLPBXIKWXNRACS-UHFFFAOYSA-N 0.000 description 2
- 229960002603 iopromide Drugs 0.000 description 2
- DGAIEPBNLOQYER-UHFFFAOYSA-N iopromide Chemical compound COCC(=O)NC1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)N(C)CC(O)CO)=C1I DGAIEPBNLOQYER-UHFFFAOYSA-N 0.000 description 2
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- HVSOUCGIMNXGCY-UHFFFAOYSA-N 2-[[2-[2-[2-[2-(2-carboxy-3,5,6-triiodoanilino)-2-oxoethoxy]ethoxy]ethoxy]acetyl]amino]-3,4,6-triiodobenzoic acid Chemical compound OC(=O)C1=C(I)C=C(I)C(I)=C1NC(=O)COCCOCCOCC(=O)NC1=C(I)C(I)=CC(I)=C1C(O)=O HVSOUCGIMNXGCY-UHFFFAOYSA-N 0.000 description 1
- OQHLOKBHRXMXLD-UHFFFAOYSA-N 5-[3-[3-[3,5-bis[2,3-dihydroxypropyl(methyl)carbamoyl]-2,4,6-triiodoanilino]-3-oxopropyl]sulfanylpropanoylamino]-1-n,3-n-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1-n,3-n-dimethylbenzene-1,3-dicarboxamide Chemical compound OCC(O)CN(C)C(=O)C1=C(I)C(C(=O)N(CC(O)CO)C)=C(I)C(NC(=O)CCSCCC(=O)NC=2C(=C(C(=O)N(C)CC(O)CO)C(I)=C(C(=O)N(C)CC(O)CO)C=2I)I)=C1I OQHLOKBHRXMXLD-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- SMQYOVYWPWASGU-UHFFFAOYSA-N Iocarmic acid Chemical compound OC(=O)C1=C(I)C(C(=O)NC)=C(I)C(NC(=O)CCCCC(=O)NC=2C(=C(C(=O)NC)C(I)=C(C(O)=O)C=2I)I)=C1I SMQYOVYWPWASGU-UHFFFAOYSA-N 0.000 description 1
- WWVAPFRKZMUPHZ-UHFFFAOYSA-N Iodoxamic acid Chemical compound OC(=O)C1=C(I)C=C(I)C(NC(=O)CCOCCOCCOCCOCCC(=O)NC=2C(=C(C(O)=O)C(I)=CC=2I)I)=C1I WWVAPFRKZMUPHZ-UHFFFAOYSA-N 0.000 description 1
- OIRFJRBSRORBCM-UHFFFAOYSA-N Iopanoic acid Chemical compound CCC(C(O)=O)CC1=C(I)C=C(I)C(N)=C1I OIRFJRBSRORBCM-UHFFFAOYSA-N 0.000 description 1
- DLPPIGPJCKKVBA-UHFFFAOYSA-N Iosimenol Chemical compound OCC(O)CNC(=O)C1=C(I)C(C(=O)N)=C(I)C(N(CC(O)CO)C(=O)CC(=O)N(CC(O)CO)C=2C(=C(C(=O)NCC(O)CO)C(I)=C(C(N)=O)C=2I)I)=C1I DLPPIGPJCKKVBA-UHFFFAOYSA-N 0.000 description 1
- UXIGWFXRQKWHHA-UHFFFAOYSA-N Iotalamic acid Chemical compound CNC(=O)C1=C(I)C(NC(C)=O)=C(I)C(C(O)=O)=C1I UXIGWFXRQKWHHA-UHFFFAOYSA-N 0.000 description 1
- XUHXFSYUBXNTHU-UHFFFAOYSA-N Iotrolan Chemical compound IC=1C(C(=O)NC(CO)C(O)CO)=C(I)C(C(=O)NC(CO)C(O)CO)=C(I)C=1N(C)C(=O)CC(=O)N(C)C1=C(I)C(C(=O)NC(CO)C(O)CO)=C(I)C(C(=O)NC(CO)C(O)CO)=C1I XUHXFSYUBXNTHU-UHFFFAOYSA-N 0.000 description 1
- AMDBBAQNWSUWGN-UHFFFAOYSA-N Ioversol Chemical compound OCCN(C(=O)CO)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I AMDBBAQNWSUWGN-UHFFFAOYSA-N 0.000 description 1
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 description 1
- BAQCROVBDNBEEB-UBYUBLNFSA-N Metrizamide Chemical compound CC(=O)N(C)C1=C(I)C(NC(C)=O)=C(I)C(C(=O)N[C@@H]2[C@H]([C@H](O)[C@@H](CO)OC2O)O)=C1I BAQCROVBDNBEEB-UBYUBLNFSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical class CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000004442 acylamino group Chemical group 0.000 description 1
- FFINMCNLQNTKLU-UHFFFAOYSA-N adipiodone Chemical compound OC(=O)C1=C(I)C=C(I)C(NC(=O)CCCCC(=O)NC=2C(=C(C(O)=O)C(I)=CC=2I)I)=C1I FFINMCNLQNTKLU-UHFFFAOYSA-N 0.000 description 1
- 125000004457 alkyl amino carbonyl group Chemical group 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- YVPYQUNUQOZFHG-UHFFFAOYSA-N amidotrizoic acid Chemical compound CC(=O)NC1=C(I)C(NC(C)=O)=C(I)C(C(O)=O)=C1I YVPYQUNUQOZFHG-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229960005423 diatrizoate Drugs 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- VVDGWALACJEJKG-UHFFFAOYSA-N iodamide Chemical compound CC(=O)NCC1=C(I)C(NC(C)=O)=C(I)C(C(O)=O)=C1I VVDGWALACJEJKG-UHFFFAOYSA-N 0.000 description 1
- 229960004901 iodamide Drugs 0.000 description 1
- 229940029355 iodipamide Drugs 0.000 description 1
- 229960002487 iodoxamic acid Drugs 0.000 description 1
- 229960000780 iomeprol Drugs 0.000 description 1
- NJKDOADNQSYQEV-UHFFFAOYSA-N iomeprol Chemical compound OCC(=O)N(C)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NJKDOADNQSYQEV-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229940074884 iopanoate Drugs 0.000 description 1
- IUNJANQVIJDFTQ-UHFFFAOYSA-N iopentol Chemical compound COCC(O)CN(C(C)=O)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I IUNJANQVIJDFTQ-UHFFFAOYSA-N 0.000 description 1
- 229960000824 iopentol Drugs 0.000 description 1
- 229950004246 iosimenol Drugs 0.000 description 1
- 229950011097 iotasul Drugs 0.000 description 1
- 229940029378 iothalamate Drugs 0.000 description 1
- 229960003182 iotrolan Drugs 0.000 description 1
- 229960004537 ioversol Drugs 0.000 description 1
- 229940029407 ioxaglate Drugs 0.000 description 1
- TYYBFXNZMFNZJT-UHFFFAOYSA-N ioxaglic acid Chemical compound CNC(=O)C1=C(I)C(N(C)C(C)=O)=C(I)C(C(=O)NCC(=O)NC=2C(=C(C(=O)NCCO)C(I)=C(C(O)=O)C=2I)I)=C1I TYYBFXNZMFNZJT-UHFFFAOYSA-N 0.000 description 1
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229960000554 metrizamide Drugs 0.000 description 1
- 229960004712 metrizoic acid Drugs 0.000 description 1
- GGGDNPWHMNJRFN-UHFFFAOYSA-N metrizoic acid Chemical compound CC(=O)N(C)C1=C(I)C(NC(C)=O)=C(I)C(C(O)=O)=C1I GGGDNPWHMNJRFN-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000004149 thio group Chemical group *S* 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/24—Tetrahydroxylic alcohols, e.g. pentaerythritol
Claims (11)
1. Prosess for rensing av ioheksol eller iodixanol karakterisert ved at rensingen utføres ved kontinuerlig krystallisering av ioheksol eller iodixanol fra et råprodukt i et løsningsmiddel med fjerning av minst en fraksjon av løsningsmidlet for å oppnå en mettet eller overmettet tilstand, der løsningsmidlet omfatter vann, og der råproduktet i løsning føres inn i krystallisatorene med konstant hastighet og krystallinsk ioheksol eller iodixanol i løsningsmidlet/antiløsningsmidlet tas ut med konstant hastighet, og der nevnte konstante hastighet er en hastighet som fører til at voluminnholdet av krystallisatoren holder seg konstant.
2. Prosess i henhold til de foregående kravene karakterisert ved at løsningsmidlet fjernes ved destillasjon.
3. Prosess i henhold til de foregående kravene karakterisert ved at det tilsettes et antiløsningsmiddel.
4. Prosess i henhold til de foregående kravene karakterisert ved at den kontinuerlige krystalliseringsprosessen utføres i én eller flere krystallisatorer ved kokepunktet til innholdet av enheten.
5. Prosess i henhold til de foregående kravene karakterisert ved at prosessen utføres ved kokepunktet under atmosfæretrykk.
6. Prosess i henhold til krav 1 to 4 karakterisert ved at prosessen utføres ved kokepunktet under forhøyet trykk.
7. Prosess i henhold til de foregående kravene karakterisert ved at løsningsmidlet og antiløsningsmidlet fjernes ved azeotrop destillasjon.
8. Prosess i henhold til de foregående kravene karakterisert ved at prosessen utføres med én eller flere krystalliseringsenheter.
9. Prosess i henhold til de foregående kravene karakterisert ved at innføringshastigheten for råproduktet i løsning, og for antiløsningsmidlet hvis tilstede, bestemmes ut fra residenstiden til ioheksol eller iodixanol i krystallisatorene.
10. Prosess i henhold til de foregående kravene karakterisert ved at den videre omfatter et satsvist krystalliseringstrinn.
11. Prosess i henhold til de foregående kravene karakterisert ved at antiløsningsmidlet omfatter løsningsmidler fra gruppen som omfatter alkoholer, ketoner, estere, etere og hydrokarboner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20081020A NO342021B1 (no) | 2005-07-29 | 2008-02-26 | Kontinuerlig krystalliseringsprosess |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20053676A NO20053676D0 (no) | 2005-07-29 | 2005-07-29 | Crystallisation Process |
| PCT/NO2006/000289 WO2007013816A1 (en) | 2005-07-29 | 2006-07-28 | Continuous crystallisation process of iodinated phenyl derivatives |
| NO20081020A NO342021B1 (no) | 2005-07-29 | 2008-02-26 | Kontinuerlig krystalliseringsprosess |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20081020L NO20081020L (no) | 2008-02-26 |
| NO342021B1 true NO342021B1 (no) | 2018-03-12 |
Family
ID=39276286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20081020A NO342021B1 (no) | 2005-07-29 | 2008-02-26 | Kontinuerlig krystalliseringsprosess |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO342021B1 (sv) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0747344A1 (en) * | 1995-06-08 | 1996-12-11 | Hovione Inter Ltd. | Process for the purification and crystallisation of iopamidol |
| WO1999018054A1 (en) * | 1997-10-02 | 1999-04-15 | Nycomed Imaging As | Process for the crystallisation of sterically hindered compounds |
| WO2005003080A1 (en) * | 2003-07-03 | 2005-01-13 | Amersham Health As | Process for iohexol manufacture |
| WO2006016815A1 (en) * | 2004-08-09 | 2006-02-16 | Ge Healthcare As | Preparation of iodixanol |
| NO20071277L (no) * | 2004-08-09 | 2007-03-08 | Ge Healthcare As | Preparation of lodixanol. |
-
2008
- 2008-02-26 NO NO20081020A patent/NO342021B1/no unknown
Patent Citations (5)
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| EP0747344A1 (en) * | 1995-06-08 | 1996-12-11 | Hovione Inter Ltd. | Process for the purification and crystallisation of iopamidol |
| WO1999018054A1 (en) * | 1997-10-02 | 1999-04-15 | Nycomed Imaging As | Process for the crystallisation of sterically hindered compounds |
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| WO2006016815A1 (en) * | 2004-08-09 | 2006-02-16 | Ge Healthcare As | Preparation of iodixanol |
| NO20071277L (no) * | 2004-08-09 | 2007-03-08 | Ge Healthcare As | Preparation of lodixanol. |
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| Publication number | Publication date |
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| NO20081020L (no) | 2008-02-26 |
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