MX343509B - Proceso para producir derivados de celulosa de alta densidad aparente y buena fluidez. - Google Patents

Proceso para producir derivados de celulosa de alta densidad aparente y buena fluidez.

Info

Publication number
MX343509B
MX343509B MX2013011588A MX2013011588A MX343509B MX 343509 B MX343509 B MX 343509B MX 2013011588 A MX2013011588 A MX 2013011588A MX 2013011588 A MX2013011588 A MX 2013011588A MX 343509 B MX343509 B MX 343509B
Authority
MX
Mexico
Prior art keywords
cellulose derivative
bulk density
good flowability
cellulose derivatives
high bulk
Prior art date
Application number
MX2013011588A
Other languages
English (en)
Other versions
MX2013011588A (es
Inventor
M Goerlach-Doht Yvonne
Hermanns Juergen
Grossstueck Marco
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=45932555&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX343509(B) "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 MX2013011588A publication Critical patent/MX2013011588A/es
Publication of MX343509B publication Critical patent/MX343509B/es

Links

Classifications

    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/288—Ventilating, or influencing air circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • 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
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • 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
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/26—Cellulose ethers
    • C08J2301/28—Alkyl ethers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Food Science & Technology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Cosmetics (AREA)

Abstract

La invención se refiere a un derivado particulado de celulosa obtenido en un proceso de molido y secado de un derivado de celulosa húmeda que comprende las etapas de A) proporcionar un derivado de celulosa que tiene un contenido de humedad de desde 60 hasta 95 por ciento, con base en el peso total del derivado de celulosa húmeda, B) moler y secar parcialmente el derivado de celulosa húmeda en un molino de impacto con barrido de gases; y C) contactar el derivado de celulosa molida y parcialmente seca con una cantidad adicional de un gas de secado fuera del molino de impacto con barrido de gases. El derivado particulado de celulosa obtenido tiene una alta densidad aparente no compactada y buena fluidez.
MX2013011588A 2011-04-06 2012-03-29 Proceso para producir derivados de celulosa de alta densidad aparente y buena fluidez. MX343509B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161472225P 2011-04-06 2011-04-06
PCT/US2012/031111 WO2012138532A2 (en) 2011-04-06 2012-03-29 Process for producing cellulose derivatives of high bulk density and good flowability

Publications (2)

Publication Number Publication Date
MX2013011588A MX2013011588A (es) 2013-12-09
MX343509B true MX343509B (es) 2016-11-08

Family

ID=45932555

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013011588A MX343509B (es) 2011-04-06 2012-03-29 Proceso para producir derivados de celulosa de alta densidad aparente y buena fluidez.

Country Status (8)

Country Link
US (2) US9352330B2 (es)
EP (1) EP2694035B1 (es)
JP (1) JP5977331B2 (es)
KR (2) KR20180132952A (es)
CN (2) CN106188581B (es)
BR (1) BR112013023380B1 (es)
MX (1) MX343509B (es)
WO (1) WO2012138532A2 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9352330B2 (en) * 2011-04-06 2016-05-31 Dow Global Technologies Llc Process for producing cellulose derivatives of high bulk density and good flowability
CN103501817B (zh) * 2011-04-06 2015-07-15 陶氏环球技术有限责任公司 新型多糖衍生物和剂型
CN104245627A (zh) * 2012-02-10 2014-12-24 陶氏环球技术有限责任公司 包含一定中值颗粒长度的纤维衍生物的用于挤出成型陶瓷体的组合物
WO2014052213A1 (en) * 2012-09-25 2014-04-03 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
US10143225B2 (en) 2012-09-27 2018-12-04 Dow Global Technologies Llc Methods for reducing oil and/or fat uptake of fried foods
CN110511440A (zh) 2013-03-12 2019-11-29 赫尔克里士公司 共处理的涂覆有硅石的聚合物组合物
EP3049446B1 (en) * 2013-09-23 2017-05-03 Dow Global Technologies LLC A process for recovering an esterified cellulose ether from a reaction product mixture
CN106456651A (zh) * 2014-04-25 2017-02-22 中外制药株式会社 以高用量含有四环性化合物的制剂
KR102696151B1 (ko) * 2015-06-05 2024-08-16 다우 글로벌 테크놀로지스 엘엘씨 셀룰로오스 에테르 분말
WO2016196152A1 (en) * 2015-06-05 2016-12-08 Dow Global Technologies Llc Cellulose ether powders
KR102519854B1 (ko) 2016-10-07 2023-04-10 신에쓰 가가꾸 고교 가부시끼가이샤 히드록시알킬 알킬 셀룰로오스 및 그의 제조 방법, 및 고형 제제
KR102519850B1 (ko) * 2016-10-07 2023-04-10 신에쓰 가가꾸 고교 가부시끼가이샤 히드록시알킬 알킬 셀룰로오스 및 그의 제조 방법, 및 고형 제제
CN113117131B (zh) * 2019-12-31 2023-01-03 广州迈普再生医学科技股份有限公司 一种纳米纤维微球材料及其制备方法和应用
WO2022152760A1 (en) * 2021-01-13 2022-07-21 Nutrition & Biosciences Usa 1, Llc Improved method for the preparation of colloidal microcrystalline cellulose
WO2022152763A1 (en) * 2021-01-13 2022-07-21 Nutrition & Biosciences Usa 1, Llc Improved method for the preparation of microcrystalline cellulose

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Also Published As

Publication number Publication date
CN106188581B (zh) 2019-08-16
KR20180132952A (ko) 2018-12-12
EP2694035A2 (en) 2014-02-12
WO2012138532A2 (en) 2012-10-11
BR112013023380B1 (pt) 2021-03-23
US20140017319A1 (en) 2014-01-16
CN103459430A (zh) 2013-12-18
CN106188581A (zh) 2016-12-07
CN103459430B (zh) 2016-08-17
JP2014510184A (ja) 2014-04-24
EP2694035B1 (en) 2024-11-06
US9352330B2 (en) 2016-05-31
WO2012138532A3 (en) 2013-02-28
KR101960244B1 (ko) 2019-03-21
MX2013011588A (es) 2013-12-09
BR112013023380A2 (pt) 2017-04-25
JP5977331B2 (ja) 2016-08-24
US20160256390A1 (en) 2016-09-08
KR20140027132A (ko) 2014-03-06

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