ES2166149T3 - Procedimiento para la obtencion de derivados polisacaridos finamente divididos. - Google Patents

Procedimiento para la obtencion de derivados polisacaridos finamente divididos.

Info

Publication number
ES2166149T3
ES2166149T3 ES98907931T ES98907931T ES2166149T3 ES 2166149 T3 ES2166149 T3 ES 2166149T3 ES 98907931 T ES98907931 T ES 98907931T ES 98907931 T ES98907931 T ES 98907931T ES 2166149 T3 ES2166149 T3 ES 2166149T3
Authority
ES
Spain
Prior art keywords
derivatives
polisacaridate
procedure
finally divided
obtaining finally
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES98907931T
Other languages
English (en)
Other versions
ES2166149T5 (es
Inventor
Gunter Weber
Detmar Redeker
Bernd Klinksiek
Jurgen Hinderer
Benno Ulfik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Produktions und Vertriebs GmbH and Co OHG
Original Assignee
Wolff Walsrode AG
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=26033246&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2166149(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE1997154064 external-priority patent/DE19754064A1/de
Application filed by Wolff Walsrode AG filed Critical Wolff Walsrode AG
Publication of ES2166149T3 publication Critical patent/ES2166149T3/es
Application granted granted Critical
Publication of ES2166149T5 publication Critical patent/ES2166149T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

LA INVENCION TRATA DE UN NUEVO PROCEDIMIENTO ESPECIALMENTE ECONOMICO PARA LA PREPARACION DE DERIVADOS EN POLVO DE POLISACARIDOS, EN PARTICULAR DE DERIVADOS DE CELULOSA CON UN PUNTO DE FLOCULACION TERMICO, INCLUYENDO EL PROCESO DEL HINCHAMIENTO O DISOLUCION DEL DERIVADO DE POLISACARIDO EN UN DISOLVENTE O MEZCLA DE DISOLVENTES, ROTURA Y DISGREGACION DEL DERIVADO HINCHADO O DISUELTO DEL POLISACARIDO CON UNA SEPARACION TERMICA Y/O MECANICA DEL LIQUIDO, Y OPCIONALMENTE CON UNA ETAPA DE SECADO.
ES98907931T 1997-01-21 1998-01-08 Procedimiento para la obtencion de derivados polisacaridos finamente divididos. Expired - Lifetime ES2166149T5 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19701876 1997-01-21
DE19701876 1997-01-21
DE1997154064 DE19754064A1 (de) 1997-12-05 1997-12-05 Verfahren zur Herstellung von weitgehend nichtfaserigen, feinteiligen Polysaccharidderivaten
DE19754064 1997-12-05

Publications (2)

Publication Number Publication Date
ES2166149T3 true ES2166149T3 (es) 2002-04-01
ES2166149T5 ES2166149T5 (es) 2009-06-15

Family

ID=26033246

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98907931T Expired - Lifetime ES2166149T5 (es) 1997-01-21 1998-01-08 Procedimiento para la obtencion de derivados polisacaridos finamente divididos.

Country Status (11)

Country Link
US (1) US6320043B1 (es)
EP (1) EP0954536B2 (es)
JP (1) JP4293570B2 (es)
KR (1) KR100488832B1 (es)
AT (1) ATE207500T1 (es)
AU (1) AU6613498A (es)
BR (1) BR9807498A (es)
CA (1) CA2278488C (es)
DE (1) DE59801854D1 (es)
ES (1) ES2166149T5 (es)
WO (1) WO1998031710A1 (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6872820B2 (en) * 1998-12-23 2005-03-29 Wolff Walsrode Ag Finely divided polysaccharide derivatives
DE10001256A1 (de) * 2000-01-14 2001-07-19 Bayer Ag Kontinuierliches Verfahren und Vorrichtung zur Trocknung und Gelbildung von lösungsmittelhaltigen gelbildenden Polymeren
DE10009411A1 (de) * 2000-02-28 2001-08-30 Wolff Walsrode Ag Verfahren zur Herstellung pulverförmiger wasserlöslicher Cellulosederivate unter Einsatz eines Wasserdampf/Inertgas-Gemisch oder Wasserdampf/Luft-Gemisch als Transport und Wärmeträgergas
DE10009409A1 (de) * 2000-02-28 2001-08-30 Wolff Walsrode Ag Verfahren zur Herstellung von pulverförmigen wasserlöslichen Cellulosederivaten
DE10013577A1 (de) 2000-03-18 2001-09-20 Wolff Walsrode Ag Verwendung von Polysacchariden oder Polysaccharidderivaten, die nach Vergelung und Heiß-Dampf-Mahltrocknung mittels Gas- oder Wasserdampftrocknung hergestellt wurden, in Baustoffgemischen
DE10057799A1 (de) * 2000-11-22 2002-05-23 Clariant Gmbh Verfahren zur Reinigung von nichtionischen Alkylcelluloseethern
DE10152991A1 (de) * 2001-10-26 2003-05-08 Wolff Walsrode Ag Verfahren und Vorrichtung zur Mahltrocknung
DE102006042438A1 (de) * 2006-09-09 2008-03-27 Wolff Cellulosics Gmbh & Co. Kg Verfahren zur Wäsche von Polysaccharidderivaten
DE102007016783A1 (de) 2007-04-05 2008-10-09 Dow Wolff Cellulosics Gmbh Methylhydroxypropylcellulose (MHPC) für mineralisch gebundene Baustoffsysteme
BRPI0907029A2 (pt) * 2008-01-31 2015-07-07 Rhodia Operations Polissacarídeos reticulados e método de produção dos mesmos
EP2488571B1 (en) * 2009-10-14 2019-03-27 Dow Global Technologies LLC A process for dry-grinding a polysaccharide derivative
WO2012015534A1 (en) 2010-07-28 2012-02-02 Dow Global Technologies Llc A method of controlling the release of an active ingredient from a dosage form
CN102549049B (zh) 2010-07-28 2014-12-10 陶氏环球技术有限责任公司 干磨多糖衍生物的方法
JP2012031056A (ja) 2010-07-28 2012-02-16 Dow Global Technologies Llc 加水分解硬化性組成物のための調節された粒子形態を有するポリサッカライド誘導体
AU2011344351B2 (en) * 2010-12-16 2015-06-11 Akzo Nobel Chemicals International B.V. Hydrophobically modified polysaccharide ethers as deposition enhancers for agriculturall active ingredients
BR112013022418A2 (pt) 2011-04-06 2016-12-06 Dow Global Technologies Llc processo para produzir um derivado de celulose particulado, derivado de celulose particulado, método para melhorar a fluidez e a facilidade de dispersão em água fria de um derivado de celulose particulado, composição aquosa, processo para a fabricação de cápsulas e processo para revestir uma forma de dosagem
EP2694558B1 (en) 2011-04-06 2017-10-18 Dow Global Technologies LLC Process for reducing the amount of water-insoluble fibers in a water-soluble cellulose derivative
US8992987B2 (en) 2011-04-06 2015-03-31 Dow Global Technologies Llc Polysaccharide derivatives and dosage forms
MX343509B (es) 2011-04-06 2016-11-08 Dow Global Technologies Llc Proceso para producir derivados de celulosa de alta densidad aparente y buena fluidez.
US20150028526A1 (en) 2012-02-10 2015-01-29 Dow Global Technologies Llc Composition for extrusion-molded ceramic bodies comprising a cellulose derivative of certain median particle length
US9340624B2 (en) 2012-09-25 2016-05-17 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
US10143206B2 (en) 2012-09-27 2018-12-04 Dow Global Technologies Llc Methods for reducing oil and/or fat uptake of fried foods
EP2900081B1 (en) 2012-09-27 2017-02-08 Dow Global Technologies LLC Methods for reducing oil and / or fat uptake of fried foods
EP2900079B1 (en) 2012-09-27 2017-07-26 Dow Global Technologies LLC Methods and compositions for reducing oil and/or fat uptake of fried foods
ES2738182T3 (es) 2013-03-12 2020-01-20 Hercules Llc Composición polimérica revestida de sílice coprocesada
JP6247321B2 (ja) * 2016-01-18 2017-12-13 ダウ グローバル テクノロジーズ エルエルシー 多糖類誘導体を乾式粉砕するための方法
KR102519850B1 (ko) * 2016-10-07 2023-04-10 신에쓰 가가꾸 고교 가부시끼가이샤 히드록시알킬 알킬 셀룰로오스 및 그의 제조 방법, 및 고형 제제
JP7240663B2 (ja) * 2018-09-06 2023-03-16 国立大学法人東京工業大学 防水フィルム、使い捨ておむつ用バックシート、汚物処理袋、及び防水フィルムの製造方法
JP7706464B2 (ja) * 2020-03-03 2025-07-11 ハンツマン・インターナショナル・エルエルシー 誘導体化多糖類を含むイソシアネートベースの安定分散液の製造方法
CN116829133A (zh) 2021-01-13 2023-09-29 营养与生物科学美国1有限责任公司 用于制备微晶纤维素的改善方法
BR112023013931A2 (pt) 2021-01-13 2024-01-23 Nutrition & Biosciences Usa 1 Llc Método aprimorado para a preparação de celulose microcristalina coloidal

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE287556C (es) *
CH287556A (de) * 1950-06-14 1952-12-15 Ciba Geigy Verfahren zur Herstellung von Alkylcellulosen in fein pulverisierbarer Form.
DE952264C (de) 1952-04-06 1956-11-15 Henkel & Cie Gmbh Verfahren zur UEberfuehrung feuchter, faseriger Methylcellulosen in Pulver von hoherLoesungsgeschwindigkeit
DE1793472A1 (de) * 1968-09-23 1970-01-02 Ici Ltd Freifliessender Celluloseaether und Verfahren zu dessen Herstellung
JPS501144B2 (es) * 1972-10-18 1975-01-16
US4076935A (en) * 1974-12-13 1978-02-28 Hoechst Aktiengesellschaft Grinding method for cellulose
JPS5474855A (en) 1977-11-29 1979-06-15 Takeda Chem Ind Ltd Preparation of finely divided soluble cellulose derivative
EP0021682B1 (en) * 1979-06-26 1985-09-25 Imperial Chemical Industries Plc Cementitious product
DE3032778A1 (de) † 1980-08-30 1982-04-22 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur kontinuierlichen homogenisierung und pelletisierung von celluloserohaethern
DE3038001A1 (de) 1980-10-08 1982-05-06 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von mikropulvern aus celluloseether oder cellulose
US4650716A (en) 1985-05-14 1987-03-17 Hercules Incorporated Novel salts of carboxymethylcellulose
US4689408A (en) 1985-05-14 1987-08-25 Hercules Incorporated Method of preparing salts of carboxymethylcellulose
US4820813A (en) 1986-05-01 1989-04-11 The Dow Chemical Company Grinding process for high viscosity cellulose ethers
DE3729268A1 (de) * 1987-09-02 1989-03-16 Henkel Kgaa Verfahren und anlage zur abtrennung und reinigung von celluloseethern und anderen cellulosederivaten
JPH01152103A (ja) * 1987-12-08 1989-06-14 Nippon Soda Co Ltd セルロース誘導体球状粒子およびその製造方法
DE3839831A1 (de) 1988-11-25 1990-05-31 Hoechst Ag Verfahren und vorrichtung zur produktschonenden mahlung und gleichzeitigen trocknung von feuchten celluloseethern
JP2976116B2 (ja) * 1989-09-27 1999-11-10 旭化成工業株式会社 球状セルロース粒子の製造方法
GB2262527A (en) * 1992-07-02 1993-06-23 Dow Deutschland Inc Process for grinding cellulose compounds
JPH07102074A (ja) * 1993-09-30 1995-04-18 Asahi Chem Ind Co Ltd セルロース系素材の微細化方法
US5504201A (en) * 1994-03-14 1996-04-02 The Dow Chemical Company Process for recovering salable cellulose ethers from an aqueous medium containing such cellulose ethers
US5488104A (en) † 1994-06-30 1996-01-30 The Dow Chemical Company Process for comminuting cellulose ethers

Also Published As

Publication number Publication date
EP0954536B1 (de) 2001-10-24
KR100488832B1 (ko) 2005-05-12
WO1998031710A1 (de) 1998-07-23
CA2278488A1 (en) 1998-07-23
EP0954536B2 (de) 2009-01-07
ES2166149T5 (es) 2009-06-15
ATE207500T1 (de) 2001-11-15
DE59801854D1 (de) 2001-11-29
JP4293570B2 (ja) 2009-07-08
US6320043B1 (en) 2001-11-20
BR9807498A (pt) 2000-03-21
CA2278488C (en) 2007-03-20
AU6613498A (en) 1998-08-07
KR20000070301A (ko) 2000-11-25
JP2001508116A (ja) 2001-06-19
EP0954536A1 (de) 1999-11-10

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