DK1293515T3 - Fremgangsmåde og udstyr til industriel fremstilling af methylhydroxyalkylcellulose - Google Patents

Fremgangsmåde og udstyr til industriel fremstilling af methylhydroxyalkylcellulose

Info

Publication number: DK1293515T3
Authority: DK; Denmark
Prior art keywords: product; continuous; less; reactor; ratio
Prior art date: 2001-09-14

Application number

DK02019171T

Other languages

English (en)

Inventor

Torsten Dr Holtkoetter

Stefan Dr Michel

Gerd Sonnenberg

Original Assignee

Wolff Cellulosics Gmbh & Co Kg

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.)

2001-09-14

Filing date

2002-09-02

Publication date

2007-07-30

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26010143&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1293515(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2002-07-29 Priority claimed from DE10234426A external-priority patent/DE10234426A1/de

2002-09-02 Application filed by Wolff Cellulosics Gmbh & Co Kg filed Critical Wolff Cellulosics Gmbh & Co Kg

2007-07-30 Application granted granted Critical

2007-07-30 Publication of DK1293515T3 publication Critical patent/DK1293515T3/da

Links

238000000034 method Methods 0.000 title abstract 4
229920013821 hydroxy alkyl cellulose Polymers 0.000 title 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 title 1
150000001350 alkyl halides Chemical class 0.000 abstract 2
229920002678 cellulose Polymers 0.000 abstract 2
239000001913 cellulose Substances 0.000 abstract 2
239000003795 chemical substances by application Substances 0.000 abstract 2
238000001035 drying Methods 0.000 abstract 2
230000005484 gravity Effects 0.000 abstract 2
238000009776 industrial production Methods 0.000 abstract 2
238000003801 milling Methods 0.000 abstract 2
239000003513 alkali Substances 0.000 abstract 1
229910001854 alkali hydroxide Inorganic materials 0.000 abstract 1
150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B17/00—Apparatus for esterification or etherification of cellulose
- C08B17/06—Apparatus for esterification or etherification of cellulose for making cellulose ethers
- 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
- C08B11/02—Alkyl or cycloalkyl ethers
- 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

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Biochemistry (AREA)
Materials Engineering (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

DK02019171T 2001-09-14 2002-09-02 Fremgangsmåde og udstyr til industriel fremstilling af methylhydroxyalkylcellulose DK1293515T3 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10145408		2001-09-14
DE10234426A DE10234426A1 (de)	2001-09-14	2002-07-29	Verfahren und Vorrichtung zur industriellen Herstellung von Methylhydroxyalkylcellulose

Publications (1)

Publication Number	Publication Date
DK1293515T3 true DK1293515T3 (da)	2007-07-30

Family

ID=26010143

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK02019171T DK1293515T3 (da)	2001-09-14	2002-09-02	Fremgangsmåde og udstyr til industriel fremstilling af methylhydroxyalkylcellulose

Country Status (12)

Country	Link
US (1)	US6667395B2 (da)
EP (1)	EP1293515B1 (da)
JP (1)	JP2003176302A (da)
KR (1)	KR100904356B1 (da)
CN (1)	CN100537605C (da)
AT (1)	ATE359303T1 (da)
BR (1)	BR0203732A (da)
CA (1)	CA2402754A1 (da)
DE (1)	DE50209901D1 (da)
DK (1)	DK1293515T3 (da)
ES (1)	ES2284755T3 (da)
MX (1)	MXPA02009023A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102004019296B4 (de) *	2004-04-21	2006-01-05	Wolff Cellulosics Gmbh & Co. Kg	Verfahren zur Herstellung von Methylhydroxyalkylcellulose
EP2098539B1 (en)	2008-03-03	2017-05-10	SE Tylose GmbH & Co.KG	Homogeneous synthesis of cellulose ethers in ionic liquids
CN115215944B (zh) *	2022-05-13	2023-03-10	浙江致为新材料有限公司	一种羟丙基甲基纤维素醚生产工艺

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA831753A (en) *		1970-01-13	A. Laakso Oliver	Cellulose digester with washing apparatus
DE1543136C3 (de) *	1965-12-30	1980-04-17	Hoechst Ag, 6000 Frankfurt	Verfahren zur kontinuierlichen Herstellung von Methylcellulose oder Methylhydroxyalkylcellulose
US4015067A (en) *	1975-08-18	1977-03-29	The Dow Chemical Company	Method of preparing polysaccharide ethers and apparatus
DE2635403B2 (de)	1976-08-06	1979-07-12	Loedige Fritz	Verfahren zum Herstellen von CeUuIoseäthern
US4199266A (en)	1977-08-31	1980-04-22	Giusti Raolo B	Processing vessels
DE2924330A1 (de) *	1979-06-15	1980-12-18	Hoechst Ag	Kontinuierliches verfahren und vorrichtung zur herstellung von wasserloeslicher hydroxyalkylcellulose oder deren mischethern
US4728731A (en) *	1986-03-10	1988-03-01	Henkel Kommanditgesellschaft Auf Aktien	Reactor and its use in polysaccharide ether production
DE3821033A1 (de)	1988-06-22	1989-12-28	Huels Chemische Werke Ag	Ruehrkessel mit radial foerderndem ruehrer und mindestens einem stromstoerer sowie verfahren zum durchmischen von fluessigkeiten mit hilfe dieses ruehrkessels
DE69122333T2 (de)	1990-08-07	1997-02-06	Shinko Pantec Co Ltd	Mischapparat
KR0152177B1 (ko) *	1995-07-10	1998-10-01	이승웅	히드록시알킬셀룰로오스의 연속 제조공정
JP2001302701A (ja) *	2000-02-15	2001-10-31	Shin Etsu Chem Co Ltd	アルカリセルロース及びセルロースエーテルの製造方法

2002
- 2002-09-02 DK DK02019171T patent/DK1293515T3/da active
- 2002-09-02 EP EP02019171A patent/EP1293515B1/de not_active Revoked
- 2002-09-02 AT AT02019171T patent/ATE359303T1/de not_active IP Right Cessation
- 2002-09-02 ES ES02019171T patent/ES2284755T3/es not_active Expired - Lifetime
- 2002-09-02 DE DE50209901T patent/DE50209901D1/de not_active Expired - Lifetime
- 2002-09-06 JP JP2002261107A patent/JP2003176302A/ja active Pending
- 2002-09-11 US US10/241,711 patent/US6667395B2/en not_active Expired - Lifetime
- 2002-09-11 CA CA002402754A patent/CA2402754A1/en not_active Abandoned
- 2002-09-13 BR BR0203732-7A patent/BR0203732A/pt not_active Application Discontinuation
- 2002-09-13 MX MXPA02009023A patent/MXPA02009023A/es active IP Right Grant
- 2002-09-13 KR KR1020020055598A patent/KR100904356B1/ko not_active Expired - Lifetime
- 2002-09-16 CN CNB021431671A patent/CN100537605C/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1293515B1 (de)	2007-04-11
CN1408728A (zh)	2003-04-09
ATE359303T1 (de)	2007-05-15
EP1293515A1 (de)	2003-03-19
ES2284755T3 (es)	2007-11-16
CN100537605C (zh)	2009-09-09
MXPA02009023A (es)	2004-09-13
BR0203732A (pt)	2003-05-27
DE50209901D1 (de)	2007-05-24
CA2402754A1 (en)	2003-03-14
KR100904356B1 (ko)	2009-06-23
US6667395B2 (en)	2003-12-23
US20030065166A1 (en)	2003-04-03
KR20030023561A (ko)	2003-03-19
JP2003176302A (ja)	2003-06-24

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