MX2016010140A - Nuevos eteres de celulosa esterificados de alto peso molecular y homogeneidad. - Google Patents

Nuevos eteres de celulosa esterificados de alto peso molecular y homogeneidad.

Info

Publication number
MX2016010140A
MX2016010140A MX2016010140A MX2016010140A MX2016010140A MX 2016010140 A MX2016010140 A MX 2016010140A MX 2016010140 A MX2016010140 A MX 2016010140A MX 2016010140 A MX2016010140 A MX 2016010140A MX 2016010140 A MX2016010140 A MX 2016010140A
Authority
MX
Mexico
Prior art keywords
molecular weight
average molecular
cellulose ethers
esterified cellulose
homogeneity
Prior art date
Application number
MX2016010140A
Other languages
English (en)
Inventor
Petermann Oliver
Sprehe Matthias
Brackhagen Meinolf
Original Assignee
Dow Global Technologies Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of MX2016010140A publication Critical patent/MX2016010140A/es

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/38Cellulose; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0053Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0056Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4816Wall or shell material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00Preparation of cellulose ethers
    • C08B11/20Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B13/00Preparation of cellulose ether-esters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/28Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806Coating materials
    • A61K9/2833Organic macromolecular compounds
    • A61K9/286Polysaccharides, e.g. gums; Cyclodextrin
    • A61K9/2866Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Inorganic Chemistry (AREA)
  • Zoology (AREA)
  • Nutrition Science (AREA)
  • Physiology (AREA)
  • Dispersion Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

La presente invención se relaciona con éteres de celulosa esterificados que tienen i) como grupos éster, grupos acilo alifáticos monovalentes o una combinación de grupos acilo alifáticos monovalentes y grupos de la fórmula: -C(O)-R-COOA, en donde R es un grupo de hidrocarburo aromático o alifático divalente y A es hidrógeno o un catión, ii) un peso molecular promedio ponderal Mw de 80,000 Dalton a 220,000 Dalton, iii) una polidispersidad Mw/Mn de 1.3 a 4.0, y iv) una Mz/Mn de no más de 18.5, cuando el peso molecular promedio ponderal Mw, el peso molecular promedio numérico Mn y el peso molecular promedio z Mz se miden por SEC-MALLS usando como fase móvil una mezcla producida de 40 partes en volumen de acetonitrilo y 60 partes en volumen de amortiguador acuoso que contiene NaH2PO4 50 mM y NaNO3 0.1 M, son útiles como polímeros entéricos para las formas de dosificación farmacéutica.
MX2016010140A 2014-02-20 2015-01-27 Nuevos eteres de celulosa esterificados de alto peso molecular y homogeneidad. MX2016010140A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461942371P 2014-02-20 2014-02-20
PCT/US2015/012981 WO2015126576A1 (en) 2014-02-20 2015-01-27 Novel esterified cellulose ethers of high molecular weight and homogeneity

Publications (1)

Publication Number Publication Date
MX2016010140A true MX2016010140A (es) 2016-11-15

Family

ID=52462474

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016010140A MX2016010140A (es) 2014-02-20 2015-01-27 Nuevos eteres de celulosa esterificados de alto peso molecular y homogeneidad.

Country Status (8)

Country Link
US (1) US10759873B2 (es)
EP (1) EP3107940B1 (es)
JP (3) JP2017505847A (es)
KR (1) KR102362913B1 (es)
CN (1) CN105992773B (es)
BR (1) BR112016018177A2 (es)
MX (1) MX2016010140A (es)
WO (1) WO2015126576A1 (es)

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CN106661130B (zh) 2014-08-27 2020-07-24 陶氏环球技术有限责任公司 不溶于丙酮的含量低的酯化纤维素醚
US20180030157A1 (en) * 2015-03-16 2018-02-01 Dow Global Technologies Llc Process for fractionating an esterified cellulose ether
EP3386481A1 (en) * 2015-12-08 2018-10-17 Dow Global Technologies Llc Compositions comprising cellulose ethers and water-soluble esterified cellulose ethers
CN109152742B (zh) * 2016-05-25 2021-05-04 陶氏环球技术有限责任公司 纤维素醚乙酸酯的水溶液
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
JP6681499B1 (ja) * 2019-05-31 2020-04-15 旭化成株式会社 化学修飾されたセルロース微細繊維、及び化学修飾されたセルロース微細繊維を含む高耐熱性樹脂複合体
JP7743156B2 (ja) 2022-04-21 2025-09-24 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

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US4365060A (en) 1979-04-28 1982-12-21 Shin-Etsu Chemical Co. Ltd. Enterosoluble capsules
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Also Published As

Publication number Publication date
JP2017505847A (ja) 2017-02-23
CN105992773B (zh) 2018-04-20
US10759873B2 (en) 2020-09-01
JP6420520B2 (ja) 2018-11-07
JP6397112B2 (ja) 2018-09-26
BR112016018177A2 (pt) 2017-08-08
EP3107940B1 (en) 2019-08-07
US20160347866A1 (en) 2016-12-01
WO2015126576A1 (en) 2015-08-27
CN105992773A (zh) 2016-10-05
JP2018024892A (ja) 2018-02-15
JP2018159088A (ja) 2018-10-11
KR20160124799A (ko) 2016-10-28
EP3107940A1 (en) 2016-12-28
KR102362913B1 (ko) 2022-02-17

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