BR112017018367A2 - gelificação de éteres de celulose esterificados - Google Patents

gelificação de éteres de celulose esterificados

Info

Publication number
BR112017018367A2
BR112017018367A2 BR112017018367A BR112017018367A BR112017018367A2 BR 112017018367 A2 BR112017018367 A2 BR 112017018367A2 BR 112017018367 A BR112017018367 A BR 112017018367A BR 112017018367 A BR112017018367 A BR 112017018367A BR 112017018367 A2 BR112017018367 A2 BR 112017018367A2
Authority
BR
Brazil
Prior art keywords
esterified cellulose
gelling
cellulose ethers
groups
weight
Prior art date
Application number
BR112017018367A
Other languages
English (en)
Inventor
Knarr Matthias
Petermann Oliver
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=BR112017018367(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 BR112017018367A2 publication Critical patent/BR112017018367A2/pt

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)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (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

uma celulose esterificada compreendendo grupos acila monovalentes alifáticos e grupos de fórmula ? c(o) ? r ? cooh, sendo r um grupo hidrocarboneto divalente, tem as seguintes propriedades: i) o grau de neutralização dos grupos ? c(o) ? r ? cooh não é superior a 0,4, ii) o grau total de substituição de éster é de 0,03 a 0,38, e iii) o éter de celulose esterificado tem uma solubilidade em água de pelo menos 2,0 por cento em peso a 20°c.
BR112017018367A 2015-03-16 2016-03-08 gelificação de éteres de celulose esterificados BR112017018367A2 (pt)

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
BR112017018367A2 true BR112017018367A2 (pt) 2018-04-10

Family

ID=55590148

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017018367A BR112017018367A2 (pt) 2015-03-16 2016-03-08 gelificação de éteres de celulose esterificados

Country Status (9)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2017011095A (es) * 2015-03-16 2017-11-10 Dow Global Technologies Llc Eteres de celulosa esterificados solubles en agua que tienen grado bajo de neutralizacion.
KR20170128371A (ko) 2015-03-16 2017-11-22 다우 글로벌 테크놀로지스 엘엘씨 수용성 에스테르화된 셀룰로오스 에테르
KR20180090834A (ko) 2015-12-08 2018-08-13 다우 글로벌 테크놀로지스 엘엘씨 셀룰로오스 에테르 및 수용성 에스테르화된 셀룰로오스 에테르를 포함하는 조성물
WO2017146853A1 (en) 2016-02-24 2017-08-31 Dow Global Technologies Llc Aqueous composition comprising water-soluble esterified cellulose ethers
US10513599B2 (en) * 2016-08-23 2019-12-24 Global Dow Technologies LLC Cellulose ether acetate phthalates
MX2019010712A (es) * 2017-03-17 2019-10-21 Dow Global Technologies Llc Proceso para recuperar un eter de celulosa esterificado a partir de una mezcla de producto de reaccion.
WO2019022818A1 (en) 2017-07-26 2019-01-31 Dow Global Technologies Llc PROCESS FOR PRODUCING HYDROGELS BASED ON ESTERIFIED CELLULOSE ETHERS
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
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

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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
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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
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JP6334574B2 (ja) 2013-03-07 2018-05-30 ダウ グローバル テクノロジーズ エルエルシー 新規の超高分子量のエステル化セルロースエーテル
KR20160030961A (ko) 2013-07-17 2016-03-21 다우 글로벌 테크놀로지스 엘엘씨 메틸셀룰로오스를 포함하는 점막에 적용하기 위한 조성물
MX2017011095A (es) 2015-03-16 2017-11-10 Dow Global Technologies Llc Eteres de celulosa esterificados solubles en agua que tienen grado bajo de neutralizacion.
BR112017018039A2 (pt) 2015-03-16 2018-04-10 Dow Global Technologies Llc solução aquosa de um éter de celulose esterificado

Also Published As

Publication number Publication date
WO2016148976A1 (en) 2016-09-22
EP3270970A1 (en) 2018-01-24
US10759874B2 (en) 2020-09-01
KR20170128355A (ko) 2017-11-22
JP2018509506A (ja) 2018-04-05
CN107406522B (zh) 2019-02-26
CN107406522A (zh) 2017-11-28
JP6371483B2 (ja) 2018-08-08
CO2017009910A2 (es) 2019-05-31
MX2017011128A (es) 2017-11-28
EP3270970B1 (en) 2019-01-09
US20180072820A1 (en) 2018-03-15

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