BR9810718A - Novos éteres de celulose e processo para sua preparação - Google Patents
Novos éteres de celulose e processo para sua preparaçãoInfo
- Publication number
- BR9810718A BR9810718A BR9810718-6A BR9810718A BR9810718A BR 9810718 A BR9810718 A BR 9810718A BR 9810718 A BR9810718 A BR 9810718A BR 9810718 A BR9810718 A BR 9810718A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- cellulose ethers
- new cellulose
- substitution
- new
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/08—Ion-exchange resins
-
- 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
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
- B01J2231/48—Ring-opening reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/90—Catalytic systems characterized by the solvent or solvent system used
- B01J2531/98—Phase-transfer catalysis in a mixed solvent system containing at least 2 immiscible solvents or solvent phases
- B01J2531/985—Phase-transfer catalysis in a mixed solvent system containing at least 2 immiscible solvents or solvent phases in a water / organic solvent system
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19730090A DE19730090A1 (de) | 1997-07-14 | 1997-07-14 | Neuartige Celluloseether und Verfahren zu deren Herstellung |
PCT/EP1998/004061 WO1999003891A1 (de) | 1997-07-14 | 1998-07-01 | Neuartige celluloseether und verfahren zu deren herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9810718A true BR9810718A (pt) | 2000-08-08 |
Family
ID=7835638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9810718-6A BR9810718A (pt) | 1997-07-14 | 1998-07-01 | Novos éteres de celulose e processo para sua preparação |
Country Status (10)
Country | Link |
---|---|
US (2) | US6482940B1 (pt) |
EP (1) | EP0996641B1 (pt) |
JP (1) | JP4388689B2 (pt) |
KR (1) | KR100477017B1 (pt) |
AT (1) | ATE202572T1 (pt) |
AU (1) | AU8854498A (pt) |
BR (1) | BR9810718A (pt) |
DE (2) | DE19730090A1 (pt) |
TR (1) | TR200000085T2 (pt) |
WO (1) | WO1999003891A1 (pt) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19730090A1 (de) * | 1997-07-14 | 1999-01-21 | Wolff Walsrode Ag | Neuartige Celluloseether und Verfahren zu deren Herstellung |
DE19817454A1 (de) * | 1998-04-20 | 1999-10-21 | Wolff Walsrode Ag | Verfahren zur Aktivierung und Derivatisierung von Cellulose |
US6933381B2 (en) * | 2001-02-02 | 2005-08-23 | Charles B. Mallon | Method of preparing modified cellulose ether |
BRPI0608250A2 (pt) * | 2005-03-02 | 2009-12-08 | Hercules Inc | hidroxietilcelulose de baixa substituição solúvel em água, derivados da mesma, processo de produção e usos da mesma |
US20090084509A1 (en) * | 2007-09-28 | 2009-04-02 | Weyerhaeuser Company | Dissolution of Cellulose in Mixed Solvent Systems |
EP2098539B1 (en) | 2008-03-03 | 2017-05-10 | SE Tylose GmbH & Co.KG | Homogeneous synthesis of cellulose ethers in ionic liquids |
JP5362483B2 (ja) * | 2008-08-27 | 2013-12-11 | 三洋化成工業株式会社 | アルキルエーテル化カルボキシアルキルセルロースの製造方法 |
JP2010163485A (ja) * | 2009-01-13 | 2010-07-29 | Teijin Ltd | カルボキシ多糖類の溶液 |
US8980050B2 (en) | 2012-08-20 | 2015-03-17 | Celanese International Corporation | Methods for removing hemicellulose |
KR101991230B1 (ko) | 2011-06-14 | 2019-06-21 | 다우 글로벌 테크놀로지스 엘엘씨 | 셀룰로스 에테르를 포함하는 식품 조성물 |
US20140048221A1 (en) | 2012-08-20 | 2014-02-20 | Celanese International Corporation | Methods for extracting hemicellulose from a cellulosic material |
KR101549729B1 (ko) * | 2012-12-27 | 2015-09-11 | 제일모직주식회사 | 셀룰로오스계 수지 및 그 제조방법 |
CN105461812A (zh) * | 2015-07-01 | 2016-04-06 | 四川大学 | 一种均相反应制备纤维素醚的方法 |
US10906993B2 (en) * | 2015-09-07 | 2021-02-02 | Kao Corporation | Modified cellulose fibers |
JP7030705B2 (ja) * | 2016-09-29 | 2022-03-07 | 住友精化株式会社 | 水溶性ヒドロキシエチルセルロースの製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE207380C (pt) | 1907-06-12 | |||
US3447939A (en) | 1966-09-02 | 1969-06-03 | Eastman Kodak Co | Compounds dissolved in cyclic amine oxides |
FR1546858A (fr) * | 1966-11-17 | 1968-11-22 | Bexford Ltd | Feuilles pour diazotypie |
US4196282A (en) | 1977-11-25 | 1980-04-01 | Akzona Incorporated | Process for making a shapeable cellulose and shaped cellulose products |
US4145532A (en) | 1977-11-25 | 1979-03-20 | Akzona Incorporated | Process for making precipitated cellulose |
DD207380A1 (de) * | 1982-11-02 | 1984-02-29 | Adw Inst Polymerenchemie | Verfahren zur herstellung hochquellender carboxymethylcellulose |
JPS6094401A (ja) * | 1983-10-31 | 1985-05-27 | Asahi Chem Ind Co Ltd | 吸液特性のすぐれたセルロース誘導体およびその製造方法 |
DE3417952A1 (de) * | 1984-05-15 | 1985-11-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
JPS59230001A (ja) * | 1984-05-19 | 1984-12-24 | Kohjin Co Ltd | カルボキシエチルエチルセルロ−スの製造方法 |
JPH0674281B2 (ja) * | 1985-11-16 | 1994-09-21 | 旭化成工業株式会社 | アルカリ可溶セルロ−スおよびそのド−プ |
ATA92690A (de) | 1990-04-20 | 1992-06-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung einer loesung von cellulose in n-methylmorpholin-n-oxid und wasser |
US5437899A (en) * | 1992-07-14 | 1995-08-01 | Composite Development Corporation | Structural element formed of a fiber reinforced thermoplastic material and method of manufacture |
AT400581B (de) | 1993-10-19 | 1996-01-25 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von lösungen von cellulose |
DE19730090A1 (de) * | 1997-07-14 | 1999-01-21 | Wolff Walsrode Ag | Neuartige Celluloseether und Verfahren zu deren Herstellung |
-
1997
- 1997-07-14 DE DE19730090A patent/DE19730090A1/de not_active Withdrawn
-
1998
- 1998-07-01 US US09/446,998 patent/US6482940B1/en not_active Expired - Lifetime
- 1998-07-01 JP JP2000503113A patent/JP4388689B2/ja not_active Expired - Lifetime
- 1998-07-01 AT AT98940105T patent/ATE202572T1/de not_active IP Right Cessation
- 1998-07-01 TR TR2000/00085T patent/TR200000085T2/xx unknown
- 1998-07-01 AU AU88544/98A patent/AU8854498A/en not_active Abandoned
- 1998-07-01 EP EP98940105A patent/EP0996641B1/de not_active Expired - Lifetime
- 1998-07-01 WO PCT/EP1998/004061 patent/WO1999003891A1/de active Search and Examination
- 1998-07-01 KR KR10-2000-7000359A patent/KR100477017B1/ko not_active IP Right Cessation
- 1998-07-01 DE DE59800943T patent/DE59800943D1/de not_active Expired - Lifetime
- 1998-07-01 BR BR9810718-6A patent/BR9810718A/pt not_active IP Right Cessation
-
2002
- 2002-09-30 US US10/261,332 patent/US6939960B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20030032798A1 (en) | 2003-02-13 |
KR100477017B1 (ko) | 2005-03-18 |
ATE202572T1 (de) | 2001-07-15 |
EP0996641A1 (de) | 2000-05-03 |
US6939960B2 (en) | 2005-09-06 |
TR200000085T2 (tr) | 2000-08-21 |
EP0996641B1 (de) | 2001-06-27 |
JP2001510207A (ja) | 2001-07-31 |
AU8854498A (en) | 1999-02-10 |
DE19730090A1 (de) | 1999-01-21 |
DE59800943D1 (de) | 2001-08-02 |
JP4388689B2 (ja) | 2009-12-24 |
US6482940B1 (en) | 2002-11-19 |
WO1999003891A1 (de) | 1999-01-28 |
KR20010021795A (ko) | 2001-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 01/07/1998, OBSERVADAS AS CONDICOES LEGAIS. |
|
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. |
|
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 13A ANUIDADE(S). |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 13A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |