GB9700757D0 - Process for the preparation of polymers having recurring succinyl units - Google Patents

Process for the preparation of polymers having recurring succinyl units

Info

Publication number
GB9700757D0
GB9700757D0 GBGB9700757.9A GB9700757A GB9700757D0 GB 9700757 D0 GB9700757 D0 GB 9700757D0 GB 9700757 A GB9700757 A GB 9700757A GB 9700757 D0 GB9700757 D0 GB 9700757D0
Authority
GB
United Kingdom
Prior art keywords
polymers
preparation
succinyl units
recurring succinyl
recurring
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.)
Withdrawn
Application number
GBGB9700757.9A
Other versions
GB2307689A (en
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB9700757D0 publication Critical patent/GB9700757D0/en
Publication of GB2307689A publication Critical patent/GB2307689A/en
Withdrawn legal-status Critical Current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)
  • Polyamides (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
GB9700757A 1996-01-29 1997-01-15 Process for the preparation of polymers having recurring succinyl units Withdrawn GB2307689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19603052A DE19603052A1 (en) 1996-01-29 1996-01-29 Process for the preparation of polymers with repeating succinyl units

Publications (2)

Publication Number Publication Date
GB9700757D0 true GB9700757D0 (en) 1997-03-05
GB2307689A GB2307689A (en) 1997-06-04

Family

ID=7783928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9700757A Withdrawn GB2307689A (en) 1996-01-29 1997-01-15 Process for the preparation of polymers having recurring succinyl units

Country Status (5)

Country Link
JP (1) JPH09208694A (en)
CA (1) CA2195932A1 (en)
DE (1) DE19603052A1 (en)
FR (1) FR2744126B1 (en)
GB (1) GB2307689A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19636190A1 (en) * 1996-09-06 1998-03-12 Bayer Ag Process for the preparation of polymers with recurring succinyl units
DE19740787A1 (en) * 1997-09-17 1999-03-18 Bayer Ag Process for improving the plasticity of ceramic materials and reversing this effect
US6136950A (en) 1997-09-23 2000-10-24 Mbt Holding Ag Highly efficient cement dispersants
ATE253550T1 (en) * 1999-07-23 2003-11-15 Bayer Ag IN-SITU PRODUCTION OF A POLYASPARAGIC ACID ESTER MIXTURE
DE10101671A1 (en) * 2000-08-25 2002-03-14 Bayer Ag Method of conditioning stagnant and flowing water systems
US20030230407A1 (en) 2002-06-13 2003-12-18 Vijn Jan Pieter Cementing subterranean zones using cement compositions containing biodegradable dispersants
DE102005010855A1 (en) * 2005-03-10 2006-09-14 Lanxess Deutschland Gmbh Aqueous conditioning agent, useful as a pelleting agent, comprises polysuccinimide or its partial hydrolysate in combination with fatty acid amides
ES2345173T3 (en) * 2007-12-20 2010-09-16 Lanxess Deutschland Gmbh COMMUNICATION ROAD TREATMENT.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626672A1 (en) * 1986-08-07 1988-02-11 Bayer Ag POLYASPARAGINAMID ACID
US5373086A (en) * 1991-03-19 1994-12-13 Donlar Corporation Polyaspartic acid having more than 50% β form and less that 50% α form
US5286810A (en) * 1992-08-07 1994-02-15 Srchem Incorporated Salt of polymer from maleic acid, polyamind and ammonia
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
DE4244031A1 (en) * 1992-12-24 1994-06-30 Bayer Ag Process for the preparation and use of polyaspartic acid and its salts
EP0650995B1 (en) * 1993-11-02 2000-01-05 Bayer Ag Process for preparing aspartic acid polymers
US5493004A (en) * 1994-04-08 1996-02-20 Bayer Ag Process for the preparation of polysuccinimide
US5466779A (en) * 1994-05-17 1995-11-14 Donlar Corporation Production of polysuccinimide

Also Published As

Publication number Publication date
FR2744126A1 (en) 1997-08-01
GB2307689A (en) 1997-06-04
JPH09208694A (en) 1997-08-12
FR2744126B1 (en) 1999-03-05
CA2195932A1 (en) 1997-07-30
DE19603052A1 (en) 1997-07-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)