DE69513515T2 - Herstellung von polysuccinimid - Google Patents

Herstellung von polysuccinimid

Info

Publication number
DE69513515T2
DE69513515T2 DE69513515T DE69513515T DE69513515T2 DE 69513515 T2 DE69513515 T2 DE 69513515T2 DE 69513515 T DE69513515 T DE 69513515T DE 69513515 T DE69513515 T DE 69513515T DE 69513515 T2 DE69513515 T2 DE 69513515T2
Authority
DE
Germany
Prior art keywords
polysuccinimide
production
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
Application number
DE69513515T
Other languages
English (en)
Other versions
DE69513515D1 (de
Inventor
Robert Ross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Donlar Corp
Original Assignee
Donlar Corp
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.)
Filing date
Publication date
Application filed by Donlar Corp filed Critical Donlar Corp
Application granted granted Critical
Publication of DE69513515D1 publication Critical patent/DE69513515D1/de
Publication of DE69513515T2 publication Critical patent/DE69513515T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

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)
DE69513515T 1994-05-17 1995-05-16 Herstellung von polysuccinimid Expired - Fee Related DE69513515T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/243,955 US5466779A (en) 1994-05-17 1994-05-17 Production of polysuccinimide
PCT/US1995/006002 WO1995031494A1 (en) 1994-05-17 1995-05-16 Production of polysuccinimide

Publications (2)

Publication Number Publication Date
DE69513515D1 DE69513515D1 (de) 1999-12-30
DE69513515T2 true DE69513515T2 (de) 2000-06-21

Family

ID=22920789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69513515T Expired - Fee Related DE69513515T2 (de) 1994-05-17 1995-05-16 Herstellung von polysuccinimid

Country Status (6)

Country Link
US (1) US5466779A (de)
EP (1) EP0759948B1 (de)
JP (1) JPH10500445A (de)
CA (1) CA2189231A1 (de)
DE (1) DE69513515T2 (de)
WO (1) WO1995031494A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603052A1 (de) * 1996-01-29 1997-07-31 Bayer Ag Verfahren zur Herstellung von Polymeren mit wiederkehrenden Succinyl-Einheiten
US5869027A (en) * 1996-04-22 1999-02-09 Wood; Louis L. Method for odor reduction
DE19636190A1 (de) * 1996-09-06 1998-03-12 Bayer Ag Verfahren zur Herstellung von Polymeren mit wiederkehrenden Succinyleinheiten
US6005069A (en) * 1996-12-18 1999-12-21 Donlar Corporation Production of polysuccinimide and derivatives thereof in a sulfur-containing solvent
US5981691A (en) * 1997-04-23 1999-11-09 University Of South Alabama Imide-free and mixed amide/imide thermal synthesis of polyaspartate
US6784280B1 (en) 1999-06-09 2004-08-31 Nippon Shokubai Co., Ltd. Polysuccinimide(CO) polymer derivate and process for production thereof
KR100764933B1 (ko) * 2006-09-25 2007-10-09 애경유화 주식회사 무수말레인산을 이용한 폴리아스파르틱산의 제조방법
CN103304815A (zh) * 2013-06-13 2013-09-18 扬州大学 一种离子液体合成聚天冬氨酸制备方法
CN104725634B (zh) * 2013-12-24 2017-09-29 河北协同环保科技股份有限公司 采用马来酸酐和氨气合成聚天冬氨酸的方法
US11920108B2 (en) * 2018-03-30 2024-03-05 Mitsui Chemicals, Inc. Antiredeposition agent and detergent composition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5116513A (en) * 1991-03-19 1992-05-26 Donlar Corporation Polyaspartic acid as a calcium sulfate and a barium sulfate inhibitor
US5219952A (en) * 1992-09-18 1993-06-15 Donlar Corporation Production of high molecular weight polysuccinimide and high molecular weight polyaspartic acid from maleic anhydride and ammonia
US5296578A (en) * 1992-09-18 1994-03-22 Donlar Corporation Production of polysuccinimide and polyaspartic acid from maleic anhydride and ammonia

Also Published As

Publication number Publication date
EP0759948B1 (de) 1999-11-24
EP0759948A1 (de) 1997-03-05
WO1995031494A1 (en) 1995-11-23
EP0759948A4 (de) 1997-05-28
CA2189231A1 (en) 1995-11-23
JPH10500445A (ja) 1998-01-13
US5466779A (en) 1995-11-14
DE69513515D1 (de) 1999-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee