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AU2003260454A1 - Method for the production of high-purity indigo - Google Patents

Method for the production of high-purity indigo

Info

Publication number
AU2003260454A1
AU2003260454A1 AU2003260454A AU2003260454A AU2003260454A1 AU 2003260454 A1 AU2003260454 A1 AU 2003260454A1 AU 2003260454 A AU2003260454 A AU 2003260454A AU 2003260454 A AU2003260454 A AU 2003260454A AU 2003260454 A1 AU2003260454 A1 AU 2003260454A1
Authority
AU
Australia
Prior art keywords
indigo
purity
production
purity indigo
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.)
Abandoned
Application number
AU2003260454A
Inventor
Manfred Gang
Rudolf Kruger
Peter Miederer
Andreas Johann Schmidt
Wolfgang Schrott
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.)
Dystar Textilfarben GmbH and Co Deutschland KG
Original Assignee
Dystar Textilfarben GmbH and Co Deutschland KG
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 Dystar Textilfarben GmbH and Co Deutschland KG filed Critical Dystar Textilfarben GmbH and Co Deutschland KG
Publication of AU2003260454A1 publication Critical patent/AU2003260454A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B7/00—Indigoid dyes
    • C09B7/02—Bis-indole indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
AU2003260454A 2002-08-31 2003-08-23 Method for the production of high-purity indigo Abandoned AU2003260454A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10240258.2 2002-08-31
DE10240258 2002-08-31
PCT/EP2003/009363 WO2004024826A2 (en) 2002-08-31 2003-08-23 Method for the production of high-purity indigo

Publications (1)

Publication Number Publication Date
AU2003260454A1 true AU2003260454A1 (en) 2004-04-30

Family

ID=31983890

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003260454A Abandoned AU2003260454A1 (en) 2002-08-31 2003-08-23 Method for the production of high-purity indigo

Country Status (2)

Country Link
AU (1) AU2003260454A1 (en)
WO (1) WO2004024826A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897665B (en) * 2015-06-10 2017-08-11 山东出入境检验检疫局检验检疫技术中心 The step colour developing examination method of forbidding azo dyes in dyed textiles
PT3441431T (en) 2017-08-11 2021-08-19 Archroma Ip Gmbh Methods of making leucoindigo salt solutions with very low aniline content
PE20200786A1 (en) 2017-08-11 2020-08-06 Archroma Ip Gmbh METHOD FOR PREPARING AN AQUEOUS SOLUTION OF CONCENTRATED LEUCOINDIGO SALT AND AQUEOUS SOLUTION OF LEUCOINDIGO
PT3441429T (en) 2017-08-11 2021-06-28 Archroma Ip Gmbh Purified concentrated aqueous leucoindigo salt solutions
PT3441430T (en) 2017-08-11 2021-01-05 Archroma Ip Gmbh Leucoindigo salt solution with very low content of aniline and method of making same
ES2900511T3 (en) 2018-05-18 2022-03-17 Archroma Ip Gmbh Method for preparing aniline-free leucoindigo salt solutions
BR102019025172A2 (en) * 2019-11-28 2021-06-08 Bann Química Ltda. purification process of leucoindigo salt solutions and use of an inert gas
EP3754053A1 (en) * 2020-05-04 2020-12-23 Lenzing Aktiengesellschaft Spundyed cellulosic fiber

Also Published As

Publication number Publication date
WO2004024826A2 (en) 2004-03-25

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase