IT1245724B - Procedimento di purificazione della taed - Google Patents

Procedimento di purificazione della taed

Info

Publication number
IT1245724B
IT1245724B IT02201190A IT2201190A IT1245724B IT 1245724 B IT1245724 B IT 1245724B IT 02201190 A IT02201190 A IT 02201190A IT 2201190 A IT2201190 A IT 2201190A IT 1245724 B IT1245724 B IT 1245724B
Authority
IT
Italy
Prior art keywords
taed
purification procedure
stages
daed
acetylation
Prior art date
Application number
IT02201190A
Other languages
English (en)
Other versions
IT9022011A1 (it
IT9022011A0 (it
Inventor
Enrico Pontoglio
Giordano Donelli
Sandro Parodi
Original Assignee
Caffaro Spa Ind Chim
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=IT1245724(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Caffaro Spa Ind Chim filed Critical Caffaro Spa Ind Chim
Priority to IT02201190A priority Critical patent/IT1245724B/it
Publication of IT9022011A0 publication Critical patent/IT9022011A0/it
Priority to DE69105920T priority patent/DE69105920T2/de
Priority to AT91111316T priority patent/ATE115547T1/de
Priority to EP91111316A priority patent/EP0484634B1/en
Priority to US07/734,234 priority patent/US5206436A/en
Publication of IT9022011A1 publication Critical patent/IT9022011A1/it
Application granted granted Critical
Publication of IT1245724B publication Critical patent/IT1245724B/it

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)
IT02201190A 1990-11-09 1990-11-09 Procedimento di purificazione della taed IT1245724B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT02201190A IT1245724B (it) 1990-11-09 1990-11-09 Procedimento di purificazione della taed
DE69105920T DE69105920T2 (de) 1990-11-09 1991-07-08 Verfahren zur Reinigung von Tetraacetylethylendiamin (TAED).
AT91111316T ATE115547T1 (de) 1990-11-09 1991-07-08 Verfahren zur reinigung von tetraacetylethylendiamin (taed).
EP91111316A EP0484634B1 (en) 1990-11-09 1991-07-08 Process for the purification of tetraacetylethylene diamine (TAED)
US07/734,234 US5206436A (en) 1990-11-09 1991-07-22 Taped purification process

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 (3)

Publication Number Publication Date
IT9022011A0 IT9022011A0 (it) 1990-11-09
IT9022011A1 IT9022011A1 (it) 1992-05-09
IT1245724B true IT1245724B (it) 1994-10-14

Family

ID=11190163

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660712B2 (en) 2000-06-02 2003-12-09 Dale Elbert Van Sickle Stabilization of amido acids with antioxidants
AU2001266708A1 (en) 2000-06-02 2001-12-11 Eastman Chemical Company Improved purification of phenyl ester salts
US6498124B2 (en) 2000-06-02 2002-12-24 Eastman Chemical Company Isolation of phenyl ester salts from mixtures comprising sulfolane
AU2001268171A1 (en) 2000-06-02 2001-12-11 Eastman Chemical Company Process for recycling amido-carboxylic acid esters into amido-carboxylic acids
US6500973B2 (en) 2000-06-02 2002-12-31 Eastman Chemical Company Extractive solution crystallization of chemical compounds
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
US9587205B2 (en) 2012-05-18 2017-03-07 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
US5206436A (en) 1993-04-27
IT9022011A1 (it) 1992-05-09
EP0484634B1 (en) 1994-12-14
DE69105920D1 (de) 1995-01-26
DE69105920T2 (de) 1995-08-03
ATE115547T1 (de) 1994-12-15
IT9022011A0 (it) 1990-11-09
EP0484634A1 (en) 1992-05-13

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971126