BR112017018232A2 - éteres de celulose esterificados solúveis em água - Google Patents

éteres de celulose esterificados solúveis em água

Info

Publication number
BR112017018232A2
BR112017018232A2 BR112017018232A BR112017018232A BR112017018232A2 BR 112017018232 A2 BR112017018232 A2 BR 112017018232A2 BR 112017018232 A BR112017018232 A BR 112017018232A BR 112017018232 A BR112017018232 A BR 112017018232A BR 112017018232 A2 BR112017018232 A2 BR 112017018232A2
Authority
BR
Brazil
Prior art keywords
groups
esterified cellulose
water soluble
cellulose ethers
formula
Prior art date
Application number
BR112017018232A
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=55661561&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112017018232(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 BR112017018232A2 publication Critical patent/BR112017018232A2/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
    • 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
    • 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
    • A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
    • A23P20/10—Coating with edible coatings, e.g. with oils or fats
    • A23P20/105—Coating with compositions containing vegetable or microbial fermentation gums, e.g. cellulose or derivatives; Coating with edible polymers, e.g. polyvinyalcohol
    • 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
    • A61K9/14—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
    • A61K9/4833—Encapsulating processes; Filling of capsules
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Biotechnology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicinal Preparation (AREA)

Abstract

1. éter de celulose esterificado o qual i) compreende grupos de fórmula ? c(o) ? r ? cooh ou uma combinação de grupos acil monovalentes alifáticos e grupos de fórmula ? c(o) ? r ? cooh, em que r é um grupo hidrocarboneto divalente, ii) tem um peso molecular médio ponderal mw de até 70.000 dalton, iii) tem um grau de neutralização dos grupos ? c(o) ? r ? cooh não superior a 0,4, e iv) tem uma solubilidade em água de pelo menos 2,0 por cento em peso a 2°c, é útil para a preparação de cápsulas entéricas.
BR112017018232A 2015-03-16 2016-03-08 éteres de celulose esterificados solúveis em água BR112017018232A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562133508P 2015-03-16 2015-03-16
PCT/US2016/021318 WO2016148973A1 (en) 2015-03-16 2016-03-08 Water-soluble esterified cellulose ethers

Publications (1)

Publication Number Publication Date
BR112017018232A2 true BR112017018232A2 (pt) 2018-04-17

Family

ID=55661561

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017018232A BR112017018232A2 (pt) 2015-03-16 2016-03-08 éteres de celulose esterificados solúveis em água

Country Status (8)

Country Link
US (1) US10377835B2 (pt)
EP (1) EP3271404B1 (pt)
JP (1) JP6356923B2 (pt)
KR (1) KR20170128371A (pt)
CN (1) CN107636019B (pt)
BR (1) BR112017018232A2 (pt)
MX (1) MX2017011090A (pt)
WO (1) WO2016148973A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
JP2020511566A (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エステル化セルロースエーテルを回収する方法
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

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435027A (en) 1965-12-13 1969-03-25 Hercules Inc Cellulose ether-esters and process
US4226981A (en) 1977-09-28 1980-10-07 Shin-Etsu Chemical Co., Ltd. Ether-ester derivatives of cellulose and their applications
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
JPS5763301A (en) * 1980-10-06 1982-04-16 Shin Etsu Chem Co Ltd Cellulose ether acidic succinoyl and acidic phthaloyl mixed ester
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
EP0872233A1 (en) 1997-04-14 1998-10-21 Janssen Pharmaceutica N.V. Antiretroviral compositions with improved bioavailability
WO2005115330A2 (en) 2004-05-28 2005-12-08 Pfizer Products Inc. Pharmaceutical compositions with enhanced performance
KR101705204B1 (ko) 2009-09-11 2017-02-09 롯데정밀화학 주식회사 장용성 경질 캡슐용 수성 조성물, 장용성 경질 캡슐의 제조방법 및 장용성 경질 캡슐
KR101807338B1 (ko) * 2010-06-14 2018-01-10 다우 글로벌 테크놀로지스 엘엘씨 아세테이트 및 석신에이트 치환이 향상된 하이드록시프로필 메틸 셀룰로즈 아세테이트 석신에이트
KR102041766B1 (ko) 2012-03-27 2019-11-07 다우 글로벌 테크놀로지스 엘엘씨 셀룰로스 에테르의 에스테르의 제조방법
WO2013154607A1 (en) * 2012-04-11 2013-10-17 Dow Global Technologies Llc Esterified cellulose ethers having a specific substituent distribution
JP6397813B2 (ja) 2012-05-02 2018-09-26 キャプシュゲル・ベルジウム・エヌ・ヴィ ヒドロキシプロピルメチルセルロースアセテートスクシネート（ｈｐｍｃａｓ）の水性分散液
BR112015002056A2 (pt) * 2012-08-24 2017-07-04 Dow Global Technologies Llc éter de celulose esterificado, composição, dispersão sólida, processo para produzir a dispersão sólida, forma de dosagem e invólucro de cápsula
BR112015002055A2 (pt) 2012-08-24 2017-07-04 Dow Global Technologies Llc acetato succinato de hidroxialquil metil celulose, composição, dispersão sólida, processo para produzir uma dispersão sólida, forma de dosagem e cápsula de envoltório
US20150203595A1 (en) * 2012-08-24 2015-07-23 Dow Global Technologies Llc Process for preparing an ester of a cellulose ether in the presence of an alkali metal carboxylate
WO2014031447A1 (en) * 2012-08-24 2014-02-27 Dow Global Technologies Llc Process for preparing an ester of a cellulose ether in the presence of an aliphatic carboxylic acid
CN104736572B (zh) * 2012-08-24 2017-09-05 陶氏环球技术有限责任公司 部分交联的酯化纤维素醚
US10730957B2 (en) * 2012-08-24 2020-08-04 Dow Global Technologies Llc Process of preparing an esterified cellulose ether in the presence of an alkali metal carboxylate and an aliphatic carboxylic acid
WO2014137777A1 (en) * 2013-03-07 2014-09-12 Dow Global Technologies Llc Novel esterified cellulose ethers of low viscosity
WO2014137778A1 (en) 2013-03-07 2014-09-12 Dow Global Technologies Llc Novel esterified cellulose ethers of very low viscosity
US20150368365A1 (en) * 2013-03-07 2015-12-24 Dow Global Technologies Llc Novel esterified cellulose ethers of low viscosity and high molecular weight
US9890220B2 (en) * 2013-03-07 2018-02-13 Dow Global Technologies Llc Esterified cellulose ethers of very high molecular weight
KR102286952B1 (ko) 2013-12-31 2021-08-09 롯데정밀화학 주식회사 입도분포가 조절된 히드록시프로필 메틸셀룰로오스 아세테이트 숙시네이트(hpmcas) 입자의 제조방법 및 hpmcas 분말
WO2016148977A1 (en) 2015-03-16 2016-09-22 Dow Global Technologies Llc Water-soluble esterified cellulose ethers having a low degree of neutralization
BR112017018367A2 (pt) 2015-03-16 2018-04-10 Dow Global Technologies Llc gelificação de éteres de celulose esterificados
KR20170128350A (ko) 2015-03-16 2017-11-22 다우 글로벌 테크놀로지스 엘엘씨 에스테르화된 셀룰로오스 에테르의 수용액

Also Published As

Publication number Publication date
US20180072818A1 (en) 2018-03-15
EP3271404A1 (en) 2018-01-24
JP2018507307A (ja) 2018-03-15
CN107636019B (zh) 2019-02-26
EP3271404B1 (en) 2019-01-09
WO2016148973A1 (en) 2016-09-22
JP6356923B2 (ja) 2018-07-11
US10377835B2 (en) 2019-08-13
CN107636019A (zh) 2018-01-26
KR20170128371A (ko) 2017-11-22
MX2017011090A (es) 2017-11-10

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Legal Events

Date Code Title Description
B07D Technical examination (opinion) related to article 229 of industrial property law [chapter 7.4 patent gazette]

Free format text: DE ACORDO COM O ARTIGO 229-C DA LEI NO 10196/2001, QUE MODIFICOU A LEI NO 9279/96, A CONCESSAO DA PATENTE ESTA CONDICIONADA A ANUENCIA PREVIA DA ANVISA. CONSIDERANDO A APROVACAO DOS TERMOS DO PARECER NO 337/PGF/EA/2010, BEM COMO A PORTARIA INTERMINISTERIAL NO 1065 DE 24/05/2012, ENCAMINHA-SE O PRESENTE PEDIDO PARA AS PROVIDENCIAS CABIVEIS.

B07E Notice of approval relating to section 229 industrial property law [chapter 7.5 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements