MX356115B - Proceso para producir un succinato de acetato de eter de celulosa. - Google Patents
Proceso para producir un succinato de acetato de eter de celulosa.Info
- Publication number
- MX356115B MX356115B MX2017005151A MX2017005151A MX356115B MX 356115 B MX356115 B MX 356115B MX 2017005151 A MX2017005151 A MX 2017005151A MX 2017005151 A MX2017005151 A MX 2017005151A MX 356115 B MX356115 B MX 356115B
- Authority
- MX
- Mexico
- Prior art keywords
- cellulose ether
- producing
- acetate succinate
- ether acetate
- acetic anhydride
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B13/00—Preparation of cellulose ether-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing 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
- C08L1/32—Cellulose ether-esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/32—Cellulose ether-esters
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2886—Dragees; Coated pills or tablets, e.g. with film or compression coating having two or more different drug-free coatings; Tablets of the type inert core-drug layer-inactive layer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Wood Science & Technology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Inorganic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
La presente invención se refiere a un proceso para producir un succinato de acetato de éter de celulosa que comprende la etapa de hacer reaccionar un éter de celulosa con anhídrido acético, anhídrido succínico y un agente de despolimerización, en donde el éter de celulosa tiene una viscosidad inicial de al menos 50 mPas, medida como una solución al 2% en peso en agua a 20°C, y la reacción del éter de celulosa con anhídrido acético, anhídrido succínico y el agente de despolimerización se realiza simultáneamente o en secuencia en un dispositivo de reacción.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462073251P | 2014-10-31 | 2014-10-31 | |
PCT/US2015/056586 WO2016069338A1 (en) | 2014-10-31 | 2015-10-21 | Process for producing a cellulose ether acetate succinate |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2017005151A MX2017005151A (es) | 2017-08-04 |
MX356115B true MX356115B (es) | 2018-05-15 |
Family
ID=55858188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2017005151A MX356115B (es) | 2014-10-31 | 2015-10-21 | Proceso para producir un succinato de acetato de eter de celulosa. |
Country Status (8)
Country | Link |
---|---|
US (1) | US20170335018A1 (es) |
EP (1) | EP3212673B1 (es) |
JP (1) | JP6291137B2 (es) |
KR (1) | KR101839294B1 (es) |
CN (1) | CN107074979B (es) |
BR (1) | BR112017008431A2 (es) |
MX (1) | MX356115B (es) |
WO (1) | WO2016069338A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3212674B1 (en) * | 2014-10-31 | 2018-08-22 | Dow Global Technologies LLC | Process for preparing an ester of a cellulose ether |
KR101839296B1 (ko) * | 2014-10-31 | 2018-03-19 | 다우 글로벌 테크놀로지스 엘엘씨 | 셀룰로오스 에테르의 에스테르를 제조하기 위한 효율적인 방법 |
EP3475309B1 (en) * | 2016-06-23 | 2020-07-29 | Dow Global Technologies, LLC | Esterified cellulose ethers comprising phthalyl groups |
US10888525B2 (en) * | 2016-11-02 | 2021-01-12 | Shin-Etsu Chemical Co., Ltd. | Hypromellose acetate succinate and method for producing the same |
JP2020511572A (ja) * | 2017-03-17 | 2020-04-16 | ダウ グローバル テクノロジーズ エルエルシー | 反応生成物混合物からのエステル化セルロースエーテルの回収方法 |
KR102063801B1 (ko) | 2018-11-01 | 2020-01-08 | 전남대학교 산학협력단 | 디부틸석시네이트의 제조방법 |
JP7399060B2 (ja) * | 2020-10-01 | 2023-12-15 | 信越化学工業株式会社 | ヒドロキシプロピルメチルセルロースアセテートサクシネートの製造方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2912430A (en) * | 1954-12-07 | 1959-11-10 | Henkel & Compagnie G M B H | Method of preparing esters of cellulose ether carboxylic acids |
US3497496A (en) * | 1967-12-21 | 1970-02-24 | Eastman Kodak Co | Process for reducing the viscosity of cellulose ethers |
US3629237A (en) * | 1968-09-12 | 1971-12-21 | Shinetsu Chemical Co | Compositions useful as enteric coatings and method for preparing acid phthalates of cellulose ethers for them |
DE2436843A1 (de) * | 1974-07-31 | 1976-02-12 | Akzo Gmbh | Stoffgemisch aus oxydationsprodukten von cellulose, hemicellulosen und lignin |
US4226981A (en) | 1977-09-28 | 1980-10-07 | Shin-Etsu Chemical Co., Ltd. | Ether-ester derivatives of cellulose and their applications |
DE2917104A1 (de) | 1979-04-27 | 1980-11-06 | Hoechst Ag | Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung |
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 |
JPS6281402A (ja) | 1985-10-07 | 1987-04-14 | Shin Etsu Chem Co Ltd | セルロ−スエ−テル酸性ジカルボン酸エステルの製造方法 |
JP3149122B2 (ja) | 1994-11-07 | 2001-03-26 | 信越化学工業株式会社 | 固形腸溶製剤のコーティング用基剤 |
US5723151A (en) * | 1995-11-06 | 1998-03-03 | Eastman Chemical Company | Cellulose acetate phthalate enteric coating compositions |
US6261218B1 (en) | 1998-12-01 | 2001-07-17 | The Dow Chemical Company | Process and apparatus for making low molecular weight cellulose ethers |
DE19941893A1 (de) * | 1999-09-03 | 2001-03-08 | Clariant Gmbh | Niederviskose, heisswasser-flockbare Celluloseether, Verfahren zu deren Herstellung durch Depolymerisation sowie deren Verwendung |
DE10141680B4 (de) | 2001-08-25 | 2004-02-26 | Clariant Gmbh | Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern |
EP1753402B1 (en) | 2004-05-28 | 2008-10-01 | Pfizer Products Incorporated | Pharmaceutical compositions with enhanced performance comprising a hpmca polymer |
EP2209811B1 (en) * | 2007-11-09 | 2019-03-06 | Union Carbide Chemicals & Plastics Technology LLC | Method for preparing very low viscosity cellulose ether and product |
ITFI20080016A1 (it) * | 2008-02-05 | 2009-08-06 | Valpharma Sa | Formulazioni farmaceutiche orali contenenti gliclazide. |
US9040033B2 (en) * | 2010-06-14 | 2015-05-26 | Dow Global Technologies Llc | Hydroxypropyl methyl cellulose acetate succinate with enhanced acetate and succinate substitution |
JP2015512456A (ja) | 2012-03-27 | 2015-04-27 | 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のエステルの製造方法 |
EP2888292B1 (en) * | 2012-08-24 | 2019-04-10 | Dow Global Technologies LLC | Process for preparing an ester of a cellulose ether in the presence of an alkali metal carboxylate |
US9340624B2 (en) * | 2012-09-25 | 2016-05-17 | Dow Global Technologies Llc | Process for producing cellulose derivatives of high bulk density, good flowability and/or dispersibility in cold water as well as low solution color |
CN105007903B (zh) * | 2013-03-07 | 2020-07-17 | 陶氏环球技术有限责任公司 | 具有极高分子量的酯化纤维素醚 |
WO2015041973A1 (en) * | 2013-09-23 | 2015-03-26 | Dow Global Technologies Llc | A process for recovering an esterified cellulose ether from a reaction product mixture |
CN104558208A (zh) * | 2013-10-31 | 2015-04-29 | 安徽山河药用辅料股份有限公司 | 一种制备醋酸羟丙甲纤维素琥珀酸酯的方法 |
EP3212674B1 (en) * | 2014-10-31 | 2018-08-22 | Dow Global Technologies LLC | Process for preparing an ester of a cellulose ether |
KR101839296B1 (ko) * | 2014-10-31 | 2018-03-19 | 다우 글로벌 테크놀로지스 엘엘씨 | 셀룰로오스 에테르의 에스테르를 제조하기 위한 효율적인 방법 |
-
2015
- 2015-10-21 BR BR112017008431A patent/BR112017008431A2/pt active Search and Examination
- 2015-10-21 CN CN201580056583.2A patent/CN107074979B/zh not_active Expired - Fee Related
- 2015-10-21 KR KR1020177012581A patent/KR101839294B1/ko active IP Right Grant
- 2015-10-21 US US15/521,028 patent/US20170335018A1/en not_active Abandoned
- 2015-10-21 WO PCT/US2015/056586 patent/WO2016069338A1/en active Application Filing
- 2015-10-21 EP EP15791419.3A patent/EP3212673B1/en not_active Not-in-force
- 2015-10-21 MX MX2017005151A patent/MX356115B/es active IP Right Grant
- 2015-10-21 JP JP2017522499A patent/JP6291137B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP6291137B2 (ja) | 2018-03-14 |
JP2017531728A (ja) | 2017-10-26 |
KR20170061713A (ko) | 2017-06-05 |
BR112017008431A2 (pt) | 2018-01-23 |
US20170335018A1 (en) | 2017-11-23 |
CN107074979A (zh) | 2017-08-18 |
EP3212673A1 (en) | 2017-09-06 |
CN107074979B (zh) | 2019-07-19 |
EP3212673B1 (en) | 2018-09-12 |
MX2017005151A (es) | 2017-08-04 |
WO2016069338A1 (en) | 2016-05-06 |
KR101839294B1 (ko) | 2018-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration |