DE69105920D1 - Verfahren zur Reinigung von Tetraacetylethylendiamin (TAED). - Google Patents

Verfahren zur Reinigung von Tetraacetylethylendiamin (TAED).

Info

Publication number
DE69105920D1
DE69105920D1 DE69105920T DE69105920T DE69105920D1 DE 69105920 D1 DE69105920 D1 DE 69105920D1 DE 69105920 T DE69105920 T DE 69105920T DE 69105920 T DE69105920 T DE 69105920T DE 69105920 D1 DE69105920 D1 DE 69105920D1
Authority
DE
Germany
Prior art keywords
taed
purification
tetraacetylethylenediamine
stages
daed
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
DE69105920T
Other languages
English (en)
Other versions
DE69105920T2 (de
Inventor
Enrico Pontoglio
Giordano Donelli
Sandro Parodi
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.)
Caffaro SpA
Original Assignee
Caffaro SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11190163&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69105920(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Caffaro SpA filed Critical Caffaro SpA
Application granted granted Critical
Publication of DE69105920D1 publication Critical patent/DE69105920D1/de
Publication of DE69105920T2 publication Critical patent/DE69105920T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C07C231/24—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE69105920T 1990-11-09 1991-07-08 Verfahren zur Reinigung von Tetraacetylethylendiamin (TAED). Expired - Fee Related DE69105920T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02201190A IT1245724B (it) 1990-11-09 1990-11-09 Procedimento di purificazione della taed

Publications (2)

Publication Number Publication Date
DE69105920D1 true DE69105920D1 (de) 1995-01-26
DE69105920T2 DE69105920T2 (de) 1995-08-03

Family

ID=11190163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69105920T Expired - Fee Related DE69105920T2 (de) 1990-11-09 1991-07-08 Verfahren zur Reinigung von Tetraacetylethylendiamin (TAED).

Country Status (5)

Country Link
US (1) US5206436A (de)
EP (1) EP0484634B1 (de)
AT (1) ATE115547T1 (de)
DE (1) DE69105920T2 (de)
IT (1) IT1245724B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6498124B2 (en) 2000-06-02 2002-12-24 Eastman Chemical Company Isolation of phenyl ester salts from mixtures comprising sulfolane
EP1292566A2 (de) 2000-06-02 2003-03-19 Eastman Chemical Company Verfahren zur hydrolyse von amido-carbonsäureestern zu amido-carbonsäuren
US6660712B2 (en) 2000-06-02 2003-12-09 Dale Elbert Van Sickle Stabilization of amido acids with antioxidants
US6500973B2 (en) 2000-06-02 2002-12-31 Eastman Chemical Company Extractive solution crystallization of chemical compounds
ATE286876T1 (de) 2000-06-02 2005-01-15 Eastman Chem Co Reinigung von phenylestersalzen
CN102030678B (zh) * 2010-11-19 2013-12-04 浙江大学 一种四乙酰乙二胺重结晶的方法
WO2013171492A1 (en) 2012-05-18 2013-11-21 Warwick International Group Limited Activation of peroxygen bleach
CN103121960B (zh) * 2013-02-22 2015-04-01 浙江金科日化原料有限公司 一种四乙酰乙二胺的高效重结晶方法
CN103193670B (zh) * 2013-04-02 2015-01-07 浙江金科日化原料有限公司 四乙酰乙二胺生产热量回收系统
GB2549444A (en) * 2015-10-20 2017-10-25 Univ Bradford Crystalline form II of tetraacetylethylenediamine
CN109970589B (zh) * 2019-05-07 2022-04-08 山东泰和水处理科技股份有限公司 一种四乙酰乙二胺的制备方法
GB202014196D0 (en) 2020-09-09 2020-10-21 Univ Bradford Crystalline form III of tetraacetylethylenediamine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2052822C3 (de) * 1970-10-28 1979-04-19 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von N,N,N',N'-Tetraacetyläthylendiamin
DE2118281A1 (de) * 1971-04-15 1972-11-02 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von N,N,N,N-Tetraacetyläthylendiamin
US3886212A (en) * 1973-02-19 1975-05-27 Wacker Chemie Gmbh Process for preparing N,N,N{40 ,N{40 -tetraacetyl compounds
EP0004919B1 (de) * 1978-04-14 1981-06-10 Hoechst Aktiengesellschaft Verfahren zur Herstellung von N,N,N',N'-Tetraacetyl-ethylendiamin
DE2832021A1 (de) * 1978-07-21 1980-01-31 Basf Ag Verfahren zur herstellung von tetraacetylaethylendiamin
GB2053998B (en) * 1979-07-06 1983-04-20 Unilever Ltd Particulate bleach composition
GB2078716B (en) * 1980-06-27 1985-04-24 Warwick Chem Ltd Production of amines
DE3024694A1 (de) * 1980-06-30 1982-01-28 Warwick Chemicals Ltd., Leeds Multicyclisches verfahren zur herstellung von n,n,n',n' -tetraacetylaethylendiamin
DE3042148A1 (de) * 1980-11-08 1982-06-24 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von n,n,n',n'-tetraacetylethylendiamin
DE3127435A1 (de) * 1981-07-11 1983-02-03 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von gereinigtem tetraacetylethylendiamin (taed)
DE3609735A1 (de) * 1986-03-22 1987-09-24 Henkel Kgaa Verfahren zur reinigung von tetraacetylethylendiamin
GB8716065D0 (en) * 1987-07-08 1987-08-12 Warwick International Ltd Laundry composition

Also Published As

Publication number Publication date
EP0484634B1 (de) 1994-12-14
DE69105920T2 (de) 1995-08-03
US5206436A (en) 1993-04-27
IT9022011A1 (it) 1992-05-09
ATE115547T1 (de) 1994-12-15
IT1245724B (it) 1994-10-14
EP0484634A1 (de) 1992-05-13
IT9022011A0 (it) 1990-11-09

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee