CO2017009910A2 - Éteres de celulosa esterificada de gelificación - Google Patents

Éteres de celulosa esterificada de gelificación

Info

Publication number
CO2017009910A2
CO2017009910A2 CONC2017/0009910A CO2017009910A CO2017009910A2 CO 2017009910 A2 CO2017009910 A2 CO 2017009910A2 CO 2017009910 A CO2017009910 A CO 2017009910A CO 2017009910 A2 CO2017009910 A2 CO 2017009910A2
Authority
CO
Colombia
Prior art keywords
esterified cellulose
gelling
esters
groups
cooh
Prior art date
Application number
CONC2017/0009910A
Other languages
English (en)
Inventor
Oliver Petermann
Matthias Knarr
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55590148&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CO2017009910(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of CO2017009910A2 publication Critical patent/CO2017009910A2/es

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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/125—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives containing carbohydrate syrups; containing sugars; containing sugar alcohols; containing starch hydrolysates
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00—Shaping or working of foodstuffs characterised by the products
    • A23P10/30—Encapsulation of particles, e.g. foodstuff additives
    • 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
    • A61K9/08—Solutions
    • 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
    • A61K9/10—Dispersions; Emulsions
    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141—Intimate 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
    • A61K9/146—Intimate 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
    • 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
    • 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
    • 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
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • 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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Food Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Nutrition Science (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)

Abstract

RESUMEN DE LA INVENCIÓN Una celulosa esterificada que comprende grupos acilo alifáticos monovalentes y grupos de la fórmula -C(O)-R-COOH, siendo R un grupo hidrocarburo divalente, tiene las siguientes propiedades: i) el grado de neutralización de los grupos -C(O)-R-COOH no sea superior a 0.4, ii) el grado total de sustitución del éster es de 0.03 a 0.38, y iii) el éter de celulosa esterificada tiene una solubilidad en agua de al menos 2.0 por ciento en peso a 20°C.
CONC2017/0009910A 2015-03-16 2017-09-28 Éteres de celulosa esterificada de gelificación CO2017009910A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562133518P 2015-03-16 2015-03-16
PCT/US2016/021326 WO2016148976A1 (en) 2015-03-16 2016-03-08 Gelling esterified cellulose ethers

Publications (1)

Publication Number Publication Date
CO2017009910A2 true CO2017009910A2 (es) 2019-05-31

Family

ID=55590148

Family Applications (1)

Application Number Title Priority Date Filing Date
CONC2017/0009910A CO2017009910A2 (es) 2015-03-16 2017-09-28 Éteres de celulosa esterificada de gelificación

Country Status (9)

Country Link
US (1) US10759874B2 (es)
EP (1) EP3270970B1 (es)
JP (1) JP6371483B2 (es)
KR (1) KR20170128355A (es)
CN (1) CN107406522B (es)
BR (1) BR112017018367A2 (es)
CO (1) CO2017009910A2 (es)
MX (1) MX2017011128A (es)
WO (1) WO2016148976A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6356923B2 (ja) 2015-03-16 2018-07-11 ダウ グローバル テクノロジーズ エルエルシー 水溶性エステル化セルロースエーテル
KR20170128358A (ko) * 2015-03-16 2017-11-22 다우 글로벌 테크놀로지스 엘엘씨 낮은 중화도를 갖는 수용성 에스테르화 셀룰로오스 에테르
WO2017099952A1 (en) 2015-12-08 2017-06-15 Dow Global Technologies Llc Compositions comprising cellulose ethers and water-soluble esterified cellulose ethers
WO2017146853A1 (en) 2016-02-24 2017-08-31 Dow Global Technologies Llc Aqueous composition comprising water-soluble esterified cellulose ethers
KR20190042604A (ko) * 2016-08-23 2019-04-24 다우 글로벌 테크놀로지스 엘엘씨 셀룰로스 에테르 아세테이트 프탈레이트
WO2018170060A1 (en) * 2017-03-17 2018-09-20 Dow Global Technologies Llc Process for recovering an esterified cellulose ether from a reaction product mixture
WO2019022822A1 (en) 2017-07-26 2019-01-31 Dow Global Technologies Llc WATER-SOLUBLE POLYSACCHARIDES WITH IMPROVED PALABILITY
WO2019022819A1 (en) 2017-07-26 2019-01-31 Dow Global Technologies Llc PROCESS FOR PRODUCING HYDROGELS BASED ON LOW MOLECULAR WEIGHT HUMAN EMIER CELLULOSE ETHERS
WO2019022818A1 (en) 2017-07-26 2019-01-31 Dow Global Technologies Llc PROCESS FOR PRODUCING HYDROGELS BASED ON ESTERIFIED CELLULOSE ETHERS
WO2019108264A1 (en) 2017-11-29 2019-06-06 Dow Global Technologies Llc Hydrogels based on esterified cellulose ethers
WO2020117736A1 (en) 2018-12-04 2020-06-11 DDP Specialty Electronic Materials US, Inc. Hydroxypropyl methylcellulose acetate succinates of very high molecular weight

Family Cites Families (30)

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DE2917104A1 (de) 1979-04-27 1980-11-06 Hoechst Ag Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung
US4365060A (en) 1979-04-28 1982-12-21 Shin-Etsu Chemical Co. Ltd. Enterosoluble capsules
JPS572218A (en) * 1980-06-05 1982-01-07 Shionogi & Co Ltd Capsule agent for rectal administration
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KR101661952B1 (ko) * 2013-03-07 2016-10-04 다우 글로벌 테크놀로지스 엘엘씨 극저점도의 신규한 에스테르화된 셀룰로스 에테르
CN105026435B (zh) * 2013-03-07 2018-01-23 陶氏环球技术有限责任公司 具有低粘度和高分子量的新颖酯化纤维素醚
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JP6371482B2 (ja) 2015-03-16 2018-08-08 ダウ グローバル テクノロジーズ エルエルシー エステル化セルロースエーテルの水溶液
KR20170128358A (ko) 2015-03-16 2017-11-22 다우 글로벌 테크놀로지스 엘엘씨 낮은 중화도를 갖는 수용성 에스테르화 셀룰로오스 에테르

Also Published As

Publication number Publication date
WO2016148976A1 (en) 2016-09-22
US10759874B2 (en) 2020-09-01
MX2017011128A (es) 2017-11-28
BR112017018367A2 (pt) 2018-04-10
EP3270970A1 (en) 2018-01-24
CN107406522B (zh) 2019-02-26
CN107406522A (zh) 2017-11-28
EP3270970B1 (en) 2019-01-09
KR20170128355A (ko) 2017-11-22
JP6371483B2 (ja) 2018-08-08
US20180072820A1 (en) 2018-03-15
JP2018509506A (ja) 2018-04-05

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