ATE259845T1 - Bildung von superabsorbierendem polymer - Google Patents
Bildung von superabsorbierendem polymerInfo
- Publication number
- ATE259845T1 ATE259845T1 AT98911734T AT98911734T ATE259845T1 AT E259845 T1 ATE259845 T1 AT E259845T1 AT 98911734 T AT98911734 T AT 98911734T AT 98911734 T AT98911734 T AT 98911734T AT E259845 T1 ATE259845 T1 AT E259845T1
- Authority
- AT
- Austria
- Prior art keywords
- superabsorbent polymer
- formation
- reacting
- polysuccinimide
- salt
- Prior art date
Links
- 229920000247 superabsorbent polymer Polymers 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 title 1
- 150000003839 salts Chemical class 0.000 abstract 2
- 239000004971 Cross linker Substances 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 108010064470 polyaspartate Proteins 0.000 abstract 1
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
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/819,431 US5859179A (en) | 1997-03-17 | 1997-03-17 | Forming superabsorbent polymer |
| PCT/US1998/005221 WO1998041564A1 (en) | 1997-03-17 | 1998-03-17 | Forming superabsorbent polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE259845T1 true ATE259845T1 (de) | 2004-03-15 |
Family
ID=25228143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT98911734T ATE259845T1 (de) | 1997-03-17 | 1998-03-17 | Bildung von superabsorbierendem polymer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5859179A (de) |
| EP (1) | EP0968244B1 (de) |
| AT (1) | ATE259845T1 (de) |
| AU (1) | AU6561998A (de) |
| DE (1) | DE69821745T2 (de) |
| WO (1) | WO1998041564A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6150495A (en) * | 1997-07-24 | 2000-11-21 | Solutia Inc. | Superabsorbing fibers and films and process for preparing same |
| US5997791A (en) * | 1997-11-14 | 1999-12-07 | Solutia Inc. | Superabsorbing fibers and films and processes for preparing same |
| US5998491A (en) * | 1998-01-27 | 1999-12-07 | Donlar Corporation | Super-absorbing polymeric networks |
| US6365706B1 (en) | 2000-06-21 | 2002-04-02 | Mississippi Chemical Corporation | Process for production of polyasparagine and the high nitrogen content polymer formed thereby |
| US20040204554A1 (en) * | 2003-04-09 | 2004-10-14 | Ko Young Chan | Process for making a multifunctional superabsorbent polymer |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332928A (en) * | 1981-03-03 | 1982-06-01 | Milliken Research Corporation | Polyaminopolyamides |
| US5650270A (en) * | 1982-02-01 | 1997-07-22 | Northeastern University | Molecular analytical release tags and their use in chemical analysis |
| US4434228A (en) * | 1982-04-20 | 1984-02-28 | Genex Corporation | Immobilization of biological materials in condensed polyalkyleneimine polymers |
| JPS59215321A (ja) * | 1983-05-23 | 1984-12-05 | Sumitomo Chem Co Ltd | 二官能性配位子化合物を結合した反応性高分子 |
| US4803168A (en) * | 1983-09-01 | 1989-02-07 | Damon Biotech, Inc. | Microencapsulation with polymers |
| JP3174305B2 (ja) * | 1988-09-29 | 2001-06-11 | シェブロン リサーチ アンド テクノロジー カンパニー | ポリアルキレン基とスクシン基とを交互に有する新規なポリマー系分散剤 |
| US5062980A (en) * | 1989-10-30 | 1991-11-05 | Texaco Inc. | Polymeric step ladder polysuccinimide compositions suitable for lubricating oil dispersants and fuel additives |
| US5057597A (en) * | 1990-07-03 | 1991-10-15 | Koskan Larry P | Process for the manufacture of anhydro polyamino acids and polyamino acids |
| DE4023463C2 (de) * | 1990-07-24 | 1999-05-27 | Roehm Gmbh | Verfahren zur Molekulargewichtserhöhung bei der Herstellung von Polysuccinimid |
| US5315010A (en) * | 1991-02-22 | 1994-05-24 | Donlar Corporation | Polyaspartic acid manufacture |
| US5284936A (en) * | 1991-03-29 | 1994-02-08 | University Of South Alabama | Polyamino acid superabsorbents |
| US5247068A (en) * | 1991-03-29 | 1993-09-21 | University Of South Alabama | Polyamino acid superabsorbents |
| US5319145A (en) * | 1992-07-10 | 1994-06-07 | Rohm And Haas Company | Method for preparing polysuccinimides with a rotary tray dryer |
| US5484945A (en) * | 1993-08-24 | 1996-01-16 | Mitsui Toatsu Chemicals, Inc. | Preparation process of polysuccinimide |
| US5461085A (en) * | 1993-12-17 | 1995-10-24 | Mitsui Toatsu Chemicals, Incorporated | Superabsorbent polymer and process for producing same |
| JP2664648B2 (ja) * | 1994-05-20 | 1997-10-15 | 株式会社日本触媒 | L−アスパラギン酸の製造方法 |
| US5552516A (en) * | 1994-06-22 | 1996-09-03 | Donlar Corporation | Soluble, crosslinked polyaspartates |
| EP0693557A3 (de) * | 1994-07-19 | 1996-06-05 | Mitsubishi Chem Corp | Verfahren zur Herstellung von Fumarsäure |
| US5478919A (en) * | 1994-07-29 | 1995-12-26 | Donlar Corporation | Aspartic acid copolymers and their preparation |
| US5612384A (en) * | 1994-09-13 | 1997-03-18 | Donlar Corporation | Superabsorbing polymeric networks |
| US5525703A (en) * | 1994-12-27 | 1996-06-11 | Monsanto Company | Crosslinked polyaspartic acid and salts |
| US5552517A (en) * | 1995-03-03 | 1996-09-03 | Monsanto Company | Production of polysuccinimide in an organic medium |
-
1997
- 1997-03-17 US US08/819,431 patent/US5859179A/en not_active Expired - Lifetime
-
1998
- 1998-03-17 EP EP98911734A patent/EP0968244B1/de not_active Expired - Lifetime
- 1998-03-17 AT AT98911734T patent/ATE259845T1/de not_active IP Right Cessation
- 1998-03-17 WO PCT/US1998/005221 patent/WO1998041564A1/en not_active Ceased
- 1998-03-17 AU AU65619/98A patent/AU6561998A/en not_active Abandoned
- 1998-03-17 DE DE69821745T patent/DE69821745T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69821745T2 (de) | 2004-12-02 |
| WO1998041564A1 (en) | 1998-09-24 |
| AU6561998A (en) | 1998-10-12 |
| EP0968244A1 (de) | 2000-01-05 |
| US5859179A (en) | 1999-01-12 |
| EP0968244B1 (de) | 2004-02-18 |
| DE69821745D1 (de) | 2004-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |