DE3770666D1 - METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE. - Google Patents

METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE.

Info

Publication number
DE3770666D1
DE3770666D1 DE8787103737T DE3770666T DE3770666D1 DE 3770666 D1 DE3770666 D1 DE 3770666D1 DE 8787103737 T DE8787103737 T DE 8787103737T DE 3770666 T DE3770666 T DE 3770666T DE 3770666 D1 DE3770666 D1 DE 3770666D1
Authority
DE
Germany
Prior art keywords
purifying
tetraacetylethylene diamine
odourless
tetraacetylethylenediamine
taed
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.)
Revoked
Application number
DE8787103737T
Other languages
German (de)
Inventor
Klaus Dr Koester
Franz-Josef Dr Carduck
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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=6297039&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3770666(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to DE8787103737T priority Critical patent/DE3770666D1/en
Application granted granted Critical
Publication of DE3770666D1 publication Critical patent/DE3770666D1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/32—Amides; Substituted amides

Abstract

Crude tetraacetylethylenediamine (TAED), such as obtained in crystalline form during synthesis, is converted by successive washing with acetic acid and water and subsequent drying into a colourless and odourless form, such as is required for use in detergents and bleaching agents.
DE8787103737T 1986-03-22 1987-03-14 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE. Revoked DE3770666D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787103737T DE3770666D1 (en) 1986-03-22 1987-03-14 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863609735 DE3609735A1 (en) 1986-03-22 1986-03-22 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE
DE8787103737T DE3770666D1 (en) 1986-03-22 1987-03-14 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE.

Publications (1)

Publication Number Publication Date
DE3770666D1 true DE3770666D1 (en) 1991-07-18

Family

ID=6297039

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863609735 Withdrawn DE3609735A1 (en) 1986-03-22 1986-03-22 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE
DE8787103737T Revoked DE3770666D1 (en) 1986-03-22 1987-03-14 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863609735 Withdrawn DE3609735A1 (en) 1986-03-22 1986-03-22 METHOD FOR PURIFYING TETRAACETYLETHYLENE DIAMINE

Country Status (5)

Country Link
EP (1) EP0238958B1 (en)
AT (1) ATE64410T1 (en)
DE (2) DE3609735A1 (en)
ES (1) ES2022182B3 (en)
IE (1) IE59879B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1245724B (en) * 1990-11-09 1994-10-14 Caffaro Spa Ind Chim TAED PURIFICATION PROCEDURE
CN103121960B (en) * 2013-02-22 2015-04-01 浙江金科日化原料有限公司 Efficient recrystallization method of tetraacetylethylenediamine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824286A (en) * 1970-07-07 1974-07-16 Lever Brothers Ltd Preparation of polyacetylalkylene diamines
DE2118281A1 (en) 1971-04-15 1972-11-02 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Process for the continuous production of N, N, N, N-tetraacetylethylenediamine
ES479375A1 (en) 1978-04-14 1979-07-16 Hoechst Ag Process for preparing N,N,N',N'-tetra-acetylethylene diamine.
DE2906606A1 (en) * 1979-02-21 1980-09-04 Hoechst Ag Colourless tetra:acetyl-ethylene di:amine prepn. - by di:acetyl ethylene di:amine acetylation with acetic anhydride opt. with ketene addn.
DE2832021A1 (en) 1978-07-21 1980-01-31 Basf Ag METHOD FOR PRODUCING TETRAACETYLAETHYLENEDIAMIN
DE3011998C2 (en) 1980-03-28 1982-06-16 Henkel KGaA, 4000 Düsseldorf Process for the production of a storage-stable, easily soluble granulate with a content of bleach activators
DE3024694A1 (en) 1980-06-30 1982-01-28 Warwick Chemicals Ltd., Leeds Tetra:acetyl ethylene di:amine prodn. from ethylene di:amine - by reaction with acetic acid and anhydride in several cycles, useful in detergent as perborate activator
DE3042148A1 (en) * 1980-11-08 1982-06-24 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING N, N, N ', N'-TETRAACETYLETHYLENE DIAMINE
GB2096133B (en) 1981-04-03 1985-04-24 Croda Chemicals Ltd Production of tetraacetylethylene diamine
DE3127435A1 (en) * 1981-07-11 1983-02-03 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING PURIFIED TETRAACETYLETHYLENE DIAMINE (TAED)
EP0079671A3 (en) 1981-09-28 1984-03-21 Albright & Wilson Limited Process for preparing tetraacetyl alkylene diamines

Also Published As

Publication number Publication date
DE3609735A1 (en) 1987-09-24
EP0238958A3 (en) 1988-08-17
EP0238958B1 (en) 1991-06-12
EP0238958A2 (en) 1987-09-30
IE870734L (en) 1987-09-22
IE59879B1 (en) 1994-04-20
ES2022182B3 (en) 1991-12-01
ATE64410T1 (en) 1991-06-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation