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 (https=)
EP (1) EP0954536B2 (https=)
JP (1) JP4293570B2 (https=)
KR (1) KR100488832B1 (https=)
AT (1) ATE207500T1 (https=)
AU (1) AU6613498A (https=)
BR (1) BR9807498A (https=)
CA (1) CA2278488C (https=)
DE (1) DE59801854D1 (https=)
ES (1) ES2166149T5 (https=)
WO (1) WO1998031710A1 (https=)

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
CN101932610B (zh) 2008-01-31 2013-06-19 罗地亚管理公司 交联多糖及其制备方法
KR101728745B1 (ko) 2009-10-14 2017-04-20 다우 글로벌 테크놀로지스 엘엘씨 폴리삭카라이드 유도체의 건식 분쇄 방법
WO2012015400A1 (en) 2010-07-28 2012-02-02 Dow Global Technologies Llc A process for dry-grinding a polysaccharide derivative
EP2412690A2 (en) 2010-07-28 2012-02-01 Dow Global Technologies LLC Polysaccharide derivatives having an adjusted particle morphology for hydrolytically setting compositions
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
US9339031B2 (en) * 2010-12-16 2016-05-17 Akzo Nobel Chemicals International B.V. Hydrophobically modified polysaccharide ethers as deposition enhancers for agricultural active ingredients
CN105949328A (zh) 2011-04-06 2016-09-21 陶氏环球技术有限责任公司 生产高堆积密度、良好流动性和改进的在冷水中的分散性的纤维素衍生物的方法
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
BR112013023380B1 (pt) 2011-04-06 2021-03-23 Dow Global Technologies Llc Processo para produzir um derivado de celulose particulado
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
MX373836B (es) 2012-02-10 2020-03-25 Nutrition & Biosciences Usa 1 Llc Composición para cuerpos cerámicos moldeados por extrusión que comprende un derivado de celulosa de determinado largo medio de partícula.
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
JP6334542B2 (ja) 2012-09-27 2018-05-30 ダウ グローバル テクノロジーズ エルエルシー フライ食品の油及び／又は脂肪吸収を低減する方法
US10188129B2 (en) 2012-09-27 2019-01-29 Dow Global Technologies Llc Methods for reducing oil and/or fat uptake of fried foods
EP2900080B1 (en) 2012-09-27 2017-10-25 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
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
US20230091439A1 (en) * 2020-03-03 2023-03-23 Huntsman International Llc Process for preparing isocyanate-based stable dispersions comprising derivatized polysaccharides
BR112023013931A2 (pt) 2021-01-13 2024-01-23 Nutrition & Biosciences Usa 1 Llc Método aprimorado para a preparação de celulose microcristalina coloidal
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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE287556C (https=) *
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 (https=) * 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
DE3071116D1 (en) * 1979-06-26 1985-10-31 Ici 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
US4689408A (en) 1985-05-14 1987-08-25 Hercules Incorporated Method of preparing salts of carboxymethylcellulose
US4650716A (en) 1985-05-14 1987-03-17 Hercules Incorporated Novel 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
ATE207500T1 (de) 2001-11-15
KR20000070301A (ko) 2000-11-25
EP0954536B2 (de) 2009-01-07
JP4293570B2 (ja) 2009-07-08
EP0954536B1 (de) 2001-10-24
CA2278488C (en) 2007-03-20
DE59801854D1 (de) 2001-11-29
EP0954536A1 (de) 1999-11-10
US6320043B1 (en) 2001-11-20
ES2166149T5 (es) 2009-06-15
WO1998031710A1 (de) 1998-07-23
ES2166149T3 (es) 2002-04-01
CA2278488A1 (en) 1998-07-23
JP2001508116A (ja) 2001-06-19
AU6613498A (en) 1998-08-07
KR100488832B1 (ko) 2005-05-12

Similar Documents

Publication Publication Date Title
BR9807498A (pt) Processo para a preparação de derivados de polissacarìdeos divididos finamente
BR9911129B1 (pt) n-alquiluretanos (i) de fructanos, seu uso, bem como sua composiÇço e processo para sua produÇço.
BR0014767A (pt) Fibras de sementes de plantas e uso
BR9203882A (pt) Processo para preparacao de dispersoes aquosas de polimeros
CA2389393A1 (en) Manufacture of paper and paperboard
BR9814340B1 (pt) compostos derivados de indol, processo para a preparação dos mesmo e composição farmacêutica.
BR0007980A (pt) Processo para a preparação de derivadosmulti-reticulados de ácido hialurÈnico, hamulti-reticulado, ha reticulado em si próprio,produto, e, uso de ha
AU2001236905A1 (en) Bioadhesive composition
BR9406111A (pt) Fieira fieira para a produção de uma pluralidade de filamentos de celulose a partir de uma solução de celulose em um solvente para a celulose, e processo para a produção e de uma fieira
BR9913080A (pt) Processo para a fabricação de suspensão de celulose
AR247710A1 (es) Dehalogenacion de composiciones acuosas; dicha composicion acuosa utilizable y producto de papel
BR9508059A (pt) Processo para a preparação de uma suspensão de celulose
BR0110127A (pt) Processo para preparar um produto de amido, e, produto de amido
AU3040300A (en) Fluorescent dyes for solid phase and solution phase screening
AU2002227908A1 (en) Highly branched polymers for the anti-crease dressing of cellulose containing textiles
EA200000473A1 (ru) Состав модифицированного крахмала для удаления частиц из водных дисперсий
BR0015847A (pt) Processo para fabricar papel, papel e uso de um amido reticulado
BR9000216A (pt) Composicao de polimero de organossilicio,processo para sua producao e uso da mesma
BR9204036A (pt) Processo para produzir polissacarideo de carboxialquila,polissacarideo de carboxialquila,e celulose de carboxialquila
BR9101907A (pt) Composicao e processo para a preparacao da mesma
BR0006082A (pt) Fenol-novolacs com propriedades ópticas aperfeiçoadas
BR0006399B1 (pt) processo de secagem acelerada de madeira baseado nas suas propriedades reológicas.
BR9404366A (pt) Processo para preparar um polímero radial assimétrico.
BR9910991A (pt) Processo para fabricar papel, papel, e, uso de um amido aniÈnico
BR9611683A (pt) Processo para a preparação de compostos

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]