BR9807498A - Processo para a preparação de derivados de polissacarìdeos divididos finamente - Google Patents

Processo para a preparação de derivados de polissacarìdeos divididos finamente

Info

Publication number
BR9807498A
BR9807498A BR9807498A BR9807498A BR9807498A BR 9807498 A BR9807498 A BR 9807498A BR 9807498 A BR9807498 A BR 9807498A BR 9807498 A BR9807498 A BR 9807498A BR 9807498 A BR9807498 A BR 9807498A
Authority
BR
Brazil
Prior art keywords
preparation
finely divided
polysaccharide derivatives
thermal
derivatives
Prior art date
Application number
BR9807498A
Other languages
English (en)
Portuguese (pt)
Inventor
Gunter Dr Weber
Detmar Dr Redeker
Bernd Dr Klinksiek
Juergen Dr Hinderer
Benno Dr Ulfik
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=BR9807498(A) "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 BR9807498A publication Critical patent/BR9807498A/pt

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)
BR9807498A 1997-01-21 1998-01-08 Processo para a preparação de derivados de polissacarìdeos divididos finamente BR9807498A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19701876 1997-01-21
DE1997154064 DE19754064A1 (de) 1997-12-05 1997-12-05 Verfahren zur Herstellung von weitgehend nichtfaserigen, feinteiligen Polysaccharidderivaten
PCT/EP1998/000080 WO1998031710A1 (de) 1997-01-21 1998-01-08 Verfahren zur herstellung von feinteiligen polysaccharidderivaten

Publications (1)

Publication Number Publication Date
BR9807498A true BR9807498A (pt) 2000-03-21

Family

ID=26033246

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9807498A BR9807498A (pt) 1997-01-21 1998-01-08 Processo para a preparação de derivados de polissacarìdeos divididos finamente

Country Status (11)

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

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
DE10009409A1 (de) 2000-02-28 2001-08-30 Wolff Walsrode Ag Verfahren zur Herstellung von pulverförmigen wasserlöslichen Cellulosederivaten
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
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
US8785622B2 (en) * 2008-01-31 2014-07-22 Rhodia Operations Crosslinked polysaccharides and methods of production thereof
JP5711243B2 (ja) * 2009-10-14 2015-04-30 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
BR112012007920A2 (pt) * 2010-07-28 2019-09-24 Dow Global Technologies Llc processo para produzir um derivado de polissacarídeo particulado e processo para controlar ou ajustar uma ou mais das propriedades selecionadas de diâmetro médio, comprimento médio, densidade aparente e taxa de dissolução de partículas de derivado de polissacarídeo
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
BR112013000233A2 (pt) 2010-07-28 2021-05-18 Dow Global Technologies Llc método para controlar ou ajustar a liberação de um ingrediente ativo e uso de um controle de diluente em uma composição
EP2651216B1 (en) * 2010-12-16 2016-10-05 Akzo Nobel Chemicals International B.V. Hydrophobically modified polysaccharide ethers as deposition enhancers for agriculturall active ingredients
WO2012138532A2 (en) 2011-04-06 2012-10-11 Dow Global Technologies Llc Process for producing cellulose derivatives of high bulk density and good flowability
WO2012138531A1 (en) 2011-04-06 2012-10-11 Dow Global Technologies Llc Process for reducing the amount of water-insoluble fibers in a water-soluble cellulose derivative
JP6034365B2 (ja) 2011-04-06 2016-11-30 ダウ グローバル テクノロジーズ エルエルシー 高い嵩密度、良好な流動性及び改善された冷水分散性を有するセルロース誘導体の製造方法。
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
JP6267135B2 (ja) 2012-02-10 2018-01-24 ダウ グローバル テクノロジーズ エルエルシー 特定の中央粒子長のセルロース誘導体を含む、押出し成型セラミック体のための組成物
KR102171570B1 (ko) 2012-09-25 2020-10-29 다우 글로벌 테크놀로지스 엘엘씨 높은 벌크 밀도, 우수한 유동성 및/또는 우수한 냉수 분산성 및 약한 용액 색을 갖는 셀룰로스 유도체의 제조 방법
US10188129B2 (en) 2012-09-27 2019-01-29 Dow Global Technologies Llc Methods for reducing oil and/or fat uptake of fried foods
BR112015004916B1 (pt) 2012-09-27 2020-11-24 Dow Global Technologies Llc Composição comestível, método para preparar um alimento empanado, método para preparar uma preparação alimentícia contendo amido formado, método para reduzir a absorção de óleo ou gordura de um alimento empanado e partículas de éterde celulose
CN104936460B (zh) 2012-09-27 2018-01-12 陶氏环球技术有限责任公司 用于降低油炸食品的油和/或脂肪吸收量的方法
US10596261B2 (en) 2013-03-12 2020-03-24 Hercules Incorporated Coprocessed silica coated polymer composition
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
EP4114868A1 (en) * 2020-03-03 2023-01-11 Huntsman International LLC Process for preparing isocyanate-based stable dispersions comprising derivatized polysaccharides
EP4277949A1 (en) 2021-01-13 2023-11-22 Nutrition & Biosciences USA 1, LLC Improved method for the preparation of microcrystalline cellulose
CN116745343A (zh) 2021-01-13 2023-09-12 营养与生物科学美国1有限责任公司 用于制备胶态微晶纤维素的改善方法

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DE287556C (enExample) *
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 (enExample) * 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
EP0954536B2 (de) 2009-01-07
KR20000070301A (ko) 2000-11-25
ES2166149T3 (es) 2002-04-01
WO1998031710A1 (de) 1998-07-23
JP2001508116A (ja) 2001-06-19
DE59801854D1 (de) 2001-11-29
KR100488832B1 (ko) 2005-05-12
AU6613498A (en) 1998-08-07
EP0954536A1 (de) 1999-11-10
EP0954536B1 (de) 2001-10-24
US6320043B1 (en) 2001-11-20
JP4293570B2 (ja) 2009-07-08
CA2278488A1 (en) 1998-07-23
ES2166149T5 (es) 2009-06-15
ATE207500T1 (de) 2001-11-15
CA2278488C (en) 2007-03-20

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: DE ACORDO COM O ART. 37 DA LPI.

B12B Appeal against refusal [chapter 12.2 patent gazette]
B25D Requested change of name of applicant approved

Owner name: DOW WOLFF CELLULOSICS GMBH (DE)

Free format text: ALTERADO DE: WOLFF WALSRODE AG

B25G Requested change of headquarter approved

Owner name: DOW WOLFF CELLULOSICS GMBH (DE)

Free format text: SEDE ALTERADA CONFORME SOLICITADO NA PETICAO NO 020080121567/RJ DE 18/09/2008.

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08H Application fees: decision cancelled [chapter 8.8 patent gazette]