DE68916290T2 - Verfahren zur Herstellung von Stärkeethern. - Google Patents
Verfahren zur Herstellung von Stärkeethern.Info
- Publication number
- DE68916290T2 DE68916290T2 DE68916290T DE68916290T DE68916290T2 DE 68916290 T2 DE68916290 T2 DE 68916290T2 DE 68916290 T DE68916290 T DE 68916290T DE 68916290 T DE68916290 T DE 68916290T DE 68916290 T2 DE68916290 T2 DE 68916290T2
- Authority
- DE
- Germany
- Prior art keywords
- production
- starch ethers
- acid
- water
- organic acid
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
- C08B31/125—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch having a substituent containing at least one nitrogen atom, e.g. cationic starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8800647A NL8800647A (nl) | 1988-03-16 | 1988-03-16 | Werkwijze voor het vervaardigen van zetmeelethers. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68916290D1 DE68916290D1 (de) | 1994-07-28 |
DE68916290T2 true DE68916290T2 (de) | 1994-11-03 |
Family
ID=19851945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68916290T Expired - Fee Related DE68916290T2 (de) | 1988-03-16 | 1989-03-15 | Verfahren zur Herstellung von Stärkeethern. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4906745A (de) |
EP (1) | EP0333292B1 (de) |
JP (1) | JP2729651B2 (de) |
KR (1) | KR950009108B1 (de) |
AT (1) | ATE107667T1 (de) |
AU (1) | AU606271B2 (de) |
CA (1) | CA1315777C (de) |
DE (1) | DE68916290T2 (de) |
DK (1) | DK174047B1 (de) |
ES (1) | ES2058468T3 (de) |
FI (1) | FI93461C (de) |
NL (1) | NL8800647A (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2132685A1 (en) * | 1994-09-22 | 1996-03-23 | Robert T. Tyler | An aqueous alcoholic alkaline process for cationization of normal, waxy and high amylose starches from legume, cereal, tuber and root |
FR2732368B1 (fr) * | 1995-03-31 | 1997-06-06 | Roquette Freres | Nouveau procede de fabrication de papier |
FR2734005B1 (fr) * | 1995-05-12 | 1997-07-18 | Roquette Freres | Composition et procede pour le collage du papier |
FR2743810B1 (fr) | 1996-01-23 | 1998-04-10 | Roquette Freres | Polysaccharides cationiques modifies, compositions pour le collage les contenant et procedes pour le collage de structures planes mettant en oeuvre ces compositions |
FR2748744B1 (fr) * | 1996-05-15 | 1998-08-14 | Roquette Freres | Nouvelle composition de platre contenant un compose amylace |
US5723023A (en) * | 1996-09-27 | 1998-03-03 | National Starch And Chemical Investment Holding Corporation | Method of papermaking using modified cationic starch |
DE102006013786A1 (de) * | 2006-03-24 | 2007-09-27 | Wolff Cellulosics Gmbh & Co. Kg | Methylstärkeether in mineralischen Baustoffen |
EP2062923A1 (de) * | 2007-11-22 | 2009-05-27 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Acylierung von Kohlenhydraten |
EP3196205A1 (de) | 2016-01-22 | 2017-07-26 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Veretherung von kohlenhydraten mittels überhitztem dampf |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4112222A (en) * | 1977-01-07 | 1978-09-05 | National Starch And Chemical Corp. | Method of preparing hydroxypropylated starch derivatives |
US4127563A (en) * | 1977-06-29 | 1978-11-28 | The United States Of America As Represented By The Secretary Of Agriculture | Low pH preparation of cationic starches and flours |
US4663159A (en) * | 1985-02-01 | 1987-05-05 | Union Carbide Corporation | Hydrophobe substituted, water-soluble cationic polysaccharides |
DE3604796A1 (de) * | 1986-02-15 | 1987-08-20 | Degussa | Verfahren zur trockenkationisierung von staerke |
US4801699A (en) * | 1987-03-09 | 1989-01-31 | National Starch And Chemical Corporation | Polysaccharide esters containing acetal and aldehyde groups |
-
1988
- 1988-03-16 NL NL8800647A patent/NL8800647A/nl not_active Application Discontinuation
-
1989
- 1989-03-03 FI FI891017A patent/FI93461C/fi not_active IP Right Cessation
- 1989-03-08 DK DK198901116A patent/DK174047B1/da not_active IP Right Cessation
- 1989-03-08 US US07/320,472 patent/US4906745A/en not_active Expired - Lifetime
- 1989-03-10 KR KR1019890002979A patent/KR950009108B1/ko not_active IP Right Cessation
- 1989-03-10 JP JP1056536A patent/JP2729651B2/ja not_active Expired - Fee Related
- 1989-03-14 CA CA000593617A patent/CA1315777C/en not_active Expired - Fee Related
- 1989-03-15 DE DE68916290T patent/DE68916290T2/de not_active Expired - Fee Related
- 1989-03-15 ES ES89200653T patent/ES2058468T3/es not_active Expired - Lifetime
- 1989-03-15 EP EP89200653A patent/EP0333292B1/de not_active Expired - Lifetime
- 1989-03-15 AT AT89200653T patent/ATE107667T1/de not_active IP Right Cessation
- 1989-03-15 AU AU31329/89A patent/AU606271B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JPH01311101A (ja) | 1989-12-15 |
CA1315777C (en) | 1993-04-06 |
EP0333292A1 (de) | 1989-09-20 |
FI891017A (fi) | 1989-09-17 |
KR890014581A (ko) | 1989-10-24 |
AU3132989A (en) | 1989-09-21 |
DE68916290D1 (de) | 1994-07-28 |
FI93461C (fi) | 1995-04-10 |
KR950009108B1 (ko) | 1995-08-14 |
AU606271B2 (en) | 1991-01-31 |
US4906745A (en) | 1990-03-06 |
DK174047B1 (da) | 2002-05-06 |
EP0333292B1 (de) | 1994-06-22 |
NL8800647A (nl) | 1989-10-16 |
ATE107667T1 (de) | 1994-07-15 |
FI93461B (fi) | 1994-12-30 |
ES2058468T3 (es) | 1994-11-01 |
FI891017A0 (fi) | 1989-03-03 |
DK111689A (da) | 1989-09-17 |
DK111689D0 (da) | 1989-03-08 |
JP2729651B2 (ja) | 1998-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |