ES2115794T3 - Procedimiento para la obtencion de acido poliasparaginico. - Google Patents
Procedimiento para la obtencion de acido poliasparaginico.Info
- Publication number
- ES2115794T3 ES2115794T3 ES94102420T ES94102420T ES2115794T3 ES 2115794 T3 ES2115794 T3 ES 2115794T3 ES 94102420 T ES94102420 T ES 94102420T ES 94102420 T ES94102420 T ES 94102420T ES 2115794 T3 ES2115794 T3 ES 2115794T3
- Authority
- ES
- Spain
- Prior art keywords
- acid
- procedure
- obtaining
- polyasparaginic
- polyasparaginic 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1092—Polysuccinimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/12—Unsaturated polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyamides (AREA)
Abstract
EL ACIDO POLIASPARAGINICO SE FABRICA POR POLIMERIZACION DE ACIDO ASPARAGINICO, ANHIDRIDO MALEICO, ACIDO MALEICO O ACIDO FUMARICO EN UN DISOLVENTE A 150 (GRADOS) C HASTA 300 (GRADOS) C, EN CASO DADO EN PRESENCIA DE AMONIACO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4306412A DE4306412A1 (de) | 1993-03-02 | 1993-03-02 | Verfahren zur Herstellung von Polyasparaginsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2115794T3 true ES2115794T3 (es) | 1998-07-01 |
Family
ID=6481700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94102420T Expired - Lifetime ES2115794T3 (es) | 1993-03-02 | 1994-02-17 | Procedimiento para la obtencion de acido poliasparaginico. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0613920B1 (es) |
JP (1) | JP3419067B2 (es) |
DE (2) | DE4306412A1 (es) |
ES (1) | ES2115794T3 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE173282T1 (de) * | 1993-02-22 | 1998-11-15 | Bayer Ag | Verfahren zur herstellung von polysuccinimid und polyasparaginsäure |
DE4427233A1 (de) * | 1994-06-29 | 1996-01-04 | Basf Ag | Verfahren zur Herstellung von Polyasparaginsäure und/oder Polyasparaginsäureimiden |
DE4434463A1 (de) * | 1994-09-27 | 1996-03-28 | Basf Ag | Verfahren zur Herstellung von modifizierten Polyasparaginsäuren |
IT1275961B1 (it) * | 1995-03-23 | 1997-10-24 | Sisas Spa | Polimeri dell'acido aspartico ad azione sequestrante procedimento per la loro preparazione e loro impiego |
JPH09165447A (ja) * | 1995-12-15 | 1997-06-24 | Mitsubishi Chem Corp | ポリアスパラギン酸共重合体及びその製造方法 |
IT1283642B1 (it) * | 1996-07-30 | 1998-04-23 | Lonza Spa | Procedimento per la preparazione di acido poliaspartico |
DE19636190A1 (de) * | 1996-09-06 | 1998-03-12 | Bayer Ag | Verfahren zur Herstellung von Polymeren mit wiederkehrenden Succinyleinheiten |
EP0832982B1 (de) * | 1996-09-20 | 2002-05-15 | DSM Fine Chemicals Austria Nfg GmbH & Co KG | Verfahren zur Herstellung von Z-L-Asparaginsäure-Dinatriumsalz aus Fumarsäure |
PT1051360E (pt) | 1998-01-28 | 2002-12-31 | Aware Chemicals L L C | Processo para processamento de agua de recirculacao de uma instalacao de pintura |
ATA16398A (de) * | 1998-02-02 | 2001-06-15 | Chemie Linz Gmbh | Verfahren zur herstellung von z-l-asparaginsäure-dinatriumsalz aus fumarsäure |
AT408755B (de) * | 1998-05-22 | 2002-03-25 | Dsm Fine Chem Austria Gmbh | Verfahren zur herstellung von l-asparaginsäure |
AT407227B (de) | 1998-06-26 | 2001-01-25 | Aware Chemicals Llc | Verfahren zum reinigen von lackführenden teilen einer lackieranlage, insbesondere von lackleitungen |
KR101411041B1 (ko) | 2010-02-18 | 2014-06-27 | 미쓰이 가가쿠 가부시키가이샤 | 폴리아스파라긴산 전구체 폴리머 및 폴리아스파라긴산염의 제조방법 |
CN108383251B (zh) * | 2018-04-17 | 2021-07-16 | 唐山师范学院 | 一种阻垢剂的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4851995A (es) * | 1971-11-01 | 1973-07-21 | ||
DE3626672A1 (de) * | 1986-08-07 | 1988-02-11 | Bayer Ag | Polyasparaginamidsaeure |
US5221733A (en) * | 1991-02-22 | 1993-06-22 | Donlar Corporation | Manufacture of polyaspartic acids |
US5288783A (en) * | 1992-05-14 | 1994-02-22 | Srchem Incorporated | Preparation of salt of polyaspartic acid by high temperature reaction |
-
1993
- 1993-03-02 DE DE4306412A patent/DE4306412A1/de not_active Withdrawn
-
1994
- 1994-02-17 DE DE59405969T patent/DE59405969D1/de not_active Expired - Lifetime
- 1994-02-17 EP EP94102420A patent/EP0613920B1/de not_active Expired - Lifetime
- 1994-02-17 ES ES94102420T patent/ES2115794T3/es not_active Expired - Lifetime
- 1994-02-24 JP JP05000094A patent/JP3419067B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0613920B1 (de) | 1998-05-20 |
DE59405969D1 (de) | 1998-06-25 |
DE4306412A1 (de) | 1994-09-08 |
EP0613920A1 (de) | 1994-09-07 |
JPH06256504A (ja) | 1994-09-13 |
JP3419067B2 (ja) | 2003-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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