CN104098461B - 一种β‑羟基‑β‑甲基丁酸的纯化方法 - Google Patents
一种β‑羟基‑β‑甲基丁酸的纯化方法 Download PDFInfo
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- CN104098461B CN104098461B CN201310127262.XA CN201310127262A CN104098461B CN 104098461 B CN104098461 B CN 104098461B CN 201310127262 A CN201310127262 A CN 201310127262A CN 104098461 B CN104098461 B CN 104098461B
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- 238000000746 purification Methods 0.000 title claims abstract description 9
- -1 hydroxyls β methylbutanoic acids Chemical class 0.000 title abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 38
- 239000000047 product Substances 0.000 claims abstract description 30
- 239000012043 crude product Substances 0.000 claims abstract description 17
- 239000003513 alkali Substances 0.000 claims abstract description 13
- 238000002425 crystallisation Methods 0.000 claims abstract description 9
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 7
- AXFYFNCPONWUHW-UHFFFAOYSA-N 3-hydroxyisovaleric acid Chemical compound CC(C)(O)CC(O)=O AXFYFNCPONWUHW-UHFFFAOYSA-N 0.000 claims description 86
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 36
- 239000002253 acid Substances 0.000 claims description 30
- 239000003960 organic solvent Substances 0.000 claims description 17
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 150000007522 mineralic acids Chemical class 0.000 claims description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003125 aqueous solvent Substances 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 3
- 239000012074 organic phase Substances 0.000 claims description 3
- 238000005292 vacuum distillation Methods 0.000 claims description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000003306 harvesting Methods 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 229940043265 methyl isobutyl ketone Drugs 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 claims 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims 1
- 239000006227 byproduct Substances 0.000 claims 1
- 238000004807 desolvation Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000004886 process control Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical compound CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 description 2
- ROHFNLRQFUQHCH-UHFFFAOYSA-N Leucine Natural products CC(C)CC(N)C(O)=O ROHFNLRQFUQHCH-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BRHPBVXVOVMTIQ-UHFFFAOYSA-N 2-azanyl-4-methyl-pentanoic acid Chemical compound CC(C)CC(N)C(O)=O.CC(C)CC(N)C(O)=O BRHPBVXVOVMTIQ-UHFFFAOYSA-N 0.000 description 1
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 102000008934 Muscle Proteins Human genes 0.000 description 1
- 108010074084 Muscle Proteins Proteins 0.000 description 1
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000005693 branched-chain amino acids Chemical group 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000003797 essential amino acid Substances 0.000 description 1
- 235000020776 essential amino acid Nutrition 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal 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
- 210000000663 muscle cell Anatomy 0.000 description 1
- 230000037257 muscle growth Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/29—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with halogen-containing compounds which may be formed in situ
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
原辅料名称 | 质量 | 投料量(每批) |
HMB酸粗品 | 自产 | 40kg |
乙醇 | 食品级 | 200kg |
氢氧化钙 | 食品级 | 根据pH |
硅藻土 | 食品级 | 2kg |
盐酸 | 食品级 | 根据pH |
乙酸乙酯 | 食品级 | 600kg |
Claims (10)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310127262.XA CN104098461B (zh) | 2013-04-12 | 2013-04-12 | 一种β‑羟基‑β‑甲基丁酸的纯化方法 |
PT138819693T PT2985275T (pt) | 2013-04-12 | 2013-12-06 | Método de purificação do ácido beta-hidroxi-beta-metilbutírico |
ES13881969T ES2763547T3 (es) | 2013-04-12 | 2013-12-06 | Método de purificación del ácido beta-hidroxi-beta-metilbutírico |
PL13881969T PL2985275T3 (pl) | 2013-04-12 | 2013-12-06 | Sposób oczyszczania kwasu beta-hydroksy-beta-metylomasłowego |
JP2016506755A JP2016514733A (ja) | 2013-04-12 | 2013-12-06 | β‐ヒドロキシ‐β‐メチル酪酸の精製方法 |
HUE13881969A HUE048326T2 (hu) | 2013-04-12 | 2013-12-06 | Béta-hidroxi-béta-metil-vajsav tisztítási módszer |
US14/783,949 US9598344B2 (en) | 2013-04-12 | 2013-12-06 | β-Hydroxy-β-methylbutyric (HMB) acid purification method |
AU2013386219A AU2013386219B2 (en) | 2013-04-12 | 2013-12-06 | Beta-hydroxy-beta-methylbutyric acid purification method |
CA2909226A CA2909226A1 (en) | 2013-04-12 | 2013-12-06 | Purification of beta-hydroxy-beta-methyl butyrate via recrystallization and organic extraction |
EP13881969.3A EP2985275B1 (en) | 2013-04-12 | 2013-12-06 | Beta-hydroxy-beta-methylbutyric acid purification method |
DK13881969.3T DK2985275T3 (da) | 2013-04-12 | 2013-12-06 | Fremgangsmåde til oprensning af beta-hydroxy-beta-methylsmørsyre |
PCT/CN2013/088762 WO2014166273A1 (zh) | 2013-04-12 | 2013-12-06 | 一种β−羟基−β−甲基丁酸的纯化方法 |
JP2018113345A JP2018158936A (ja) | 2013-04-12 | 2018-06-14 | β‐ヒドロキシ‐β‐メチル酪酸の精製方法 |
AU2018260972A AU2018260972B2 (en) | 2013-04-12 | 2018-11-09 | ß-hydroxy-ß-methylbutyric acid purification method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310127262.XA CN104098461B (zh) | 2013-04-12 | 2013-04-12 | 一种β‑羟基‑β‑甲基丁酸的纯化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104098461A CN104098461A (zh) | 2014-10-15 |
CN104098461B true CN104098461B (zh) | 2017-06-16 |
Family
ID=51667047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310127262.XA Active CN104098461B (zh) | 2013-04-12 | 2013-04-12 | 一种β‑羟基‑β‑甲基丁酸的纯化方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US9598344B2 (zh) |
EP (1) | EP2985275B1 (zh) |
JP (2) | JP2016514733A (zh) |
CN (1) | CN104098461B (zh) |
AU (2) | AU2013386219B2 (zh) |
CA (1) | CA2909226A1 (zh) |
DK (1) | DK2985275T3 (zh) |
ES (1) | ES2763547T3 (zh) |
HU (1) | HUE048326T2 (zh) |
PL (1) | PL2985275T3 (zh) |
PT (1) | PT2985275T (zh) |
WO (1) | WO2014166273A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10647653B2 (en) | 2015-11-19 | 2020-05-12 | Kyowa Hakko Bio Co., Ltd. | Crystal of monovalent cation salt of 3-hydroxyisovaleric acid and process for producing the crystal |
AU2017282515A1 (en) | 2016-06-24 | 2019-01-17 | Otsuka Pharmaceutical Factory, Inc. | Crystal of β-hydroxy β-methylbutyric acid amino acid salt and production method therefor |
CN106699802B (zh) * | 2016-12-21 | 2019-01-25 | 北京嘉林药业股份有限公司 | 一种阿托伐他汀钙中间体的纯化方法 |
WO2019016883A1 (ja) * | 2017-07-19 | 2019-01-24 | 小林香料株式会社 | 3-ヒドロキシ-3-メチルブタン酸又はその塩の製造方法 |
CN108129294A (zh) * | 2018-01-24 | 2018-06-08 | 穆云 | 一种HMB-Ca生产工艺方法 |
CN108484359A (zh) * | 2018-03-20 | 2018-09-04 | 江阴技源药业有限公司 | 基于HMB-Ca乙醇残液回收乙醇及有效成分的方法 |
CN108558641A (zh) * | 2018-05-15 | 2018-09-21 | 江苏玺鑫维生素有限公司 | 一种β-羟基-β-甲基丁酸钙的制备及纯化方法 |
CN110092714A (zh) * | 2019-04-26 | 2019-08-06 | 江西科技师范大学 | 一种2,2-二羟甲基丁酸的制备方法 |
CN111410605A (zh) * | 2020-04-07 | 2020-07-14 | 苏州永健生物医药有限公司 | 一种β-羟基-β-甲基丁酸钙的制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3228963A (en) * | 1961-12-22 | 1966-01-11 | Union Oil Co | Process for purification of complex acids |
US4992470A (en) | 1990-02-08 | 1991-02-12 | Iowa State University Research Foundation, Inc. | Method of enhancing immune response of mammals |
US6090978A (en) * | 1996-07-19 | 2000-07-18 | Met-Rx Usa, Inc. | Process for manufacturing 3-hydroxy-3-methylbutanoic acid |
CN1417190A (zh) * | 2002-12-05 | 2003-05-14 | 迈特(上海)生物科技有限公司 | β-羟基-β-甲基丁酸钙(HMB-Ca)的制备方法 |
MX2014001835A (es) * | 2011-08-15 | 2014-02-27 | Abbott Lab | Procedimiento para fabricar beta-hidroxi-beta-metilbutirato y sales del mismo. |
CN102911085A (zh) * | 2012-10-24 | 2013-02-06 | 甘肃省化工研究院 | 化合物d-2-氨氧基-3-甲基丁酸的合成工艺 |
-
2013
- 2013-04-12 CN CN201310127262.XA patent/CN104098461B/zh active Active
- 2013-12-06 US US14/783,949 patent/US9598344B2/en active Active
- 2013-12-06 AU AU2013386219A patent/AU2013386219B2/en not_active Ceased
- 2013-12-06 DK DK13881969.3T patent/DK2985275T3/da active
- 2013-12-06 EP EP13881969.3A patent/EP2985275B1/en active Active
- 2013-12-06 PT PT138819693T patent/PT2985275T/pt unknown
- 2013-12-06 PL PL13881969T patent/PL2985275T3/pl unknown
- 2013-12-06 CA CA2909226A patent/CA2909226A1/en not_active Abandoned
- 2013-12-06 ES ES13881969T patent/ES2763547T3/es active Active
- 2013-12-06 JP JP2016506755A patent/JP2016514733A/ja active Pending
- 2013-12-06 WO PCT/CN2013/088762 patent/WO2014166273A1/zh active Application Filing
- 2013-12-06 HU HUE13881969A patent/HUE048326T2/hu unknown
-
2018
- 2018-06-14 JP JP2018113345A patent/JP2018158936A/ja active Pending
- 2018-11-09 AU AU2018260972A patent/AU2018260972B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
β-羟基-β-甲基丁酸钙生产工艺的优化控制;孟津等;《河南化工》;20021231(第4期);33-34 * |
Also Published As
Publication number | Publication date |
---|---|
EP2985275B1 (en) | 2019-10-30 |
JP2016514733A (ja) | 2016-05-23 |
HUE048326T2 (hu) | 2020-07-28 |
CA2909226A1 (en) | 2014-10-16 |
DK2985275T3 (da) | 2020-01-20 |
PL2985275T3 (pl) | 2020-04-30 |
WO2014166273A1 (zh) | 2014-10-16 |
US20160052856A1 (en) | 2016-02-25 |
CN104098461A (zh) | 2014-10-15 |
ES2763547T3 (es) | 2020-05-29 |
AU2013386219A1 (en) | 2015-12-03 |
AU2018260972B2 (en) | 2020-09-03 |
JP2018158936A (ja) | 2018-10-11 |
US9598344B2 (en) | 2017-03-21 |
EP2985275A4 (en) | 2016-11-23 |
AU2013386219B2 (en) | 2018-08-09 |
AU2018260972A1 (en) | 2018-11-29 |
PT2985275T (pt) | 2020-01-07 |
EP2985275A1 (en) | 2016-02-17 |
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