JPH05202300A - 精製したインジゴの製造方法 - Google Patents

精製したインジゴの製造方法

Info

Publication number
JPH05202300A
JPH05202300A JP4187817A JP18781792A JPH05202300A JP H05202300 A JPH05202300 A JP H05202300A JP 4187817 A JP4187817 A JP 4187817A JP 18781792 A JP18781792 A JP 18781792A JP H05202300 A JPH05202300 A JP H05202300A
Authority
JP
Japan
Prior art keywords
solution
indigo
indoxylate
stripping
inert gas
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Withdrawn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
JP4187817A
Other languages
English (en)
Japanese (ja)
Inventor
Reinhold Kohlhaupt
コールハウプト ラインホルト
Walter Bieg
ビーク ヴァルター
Ernst Lang
ラング エルンスト
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of JPH05202300A publication Critical patent/JPH05202300A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B7/00Indigoid dyes
    • C09B7/02Bis-indole indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
JP4187817A 1991-07-17 1992-07-15 精製したインジゴの製造方法 Withdrawn JPH05202300A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/731657 1991-07-17
US07/731,657 US5116996A (en) 1991-07-17 1991-07-17 Purification of indigo

Publications (1)

Publication Number Publication Date
JPH05202300A true JPH05202300A (ja) 1993-08-10

Family

ID=24940442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4187817A Withdrawn JPH05202300A (ja) 1991-07-17 1992-07-15 精製したインジゴの製造方法

Country Status (8)

Country Link
US (1) US5116996A (enExample)
EP (1) EP0523532B1 (enExample)
JP (1) JPH05202300A (enExample)
CN (1) CN1043651C (enExample)
BR (1) BR9202583A (enExample)
DE (1) DE59208937D1 (enExample)
ES (1) ES2107483T3 (enExample)
TW (1) TW224125B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020530517A (ja) * 2017-08-11 2020-10-22 アルフローマ アイピー ゲゼルシャフト ミット ベシュレンクテル ハフツング アニリン不含ロイコインジゴ塩溶液を製造するための方法およびデバイス

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4220804A1 (de) * 1992-06-25 1994-01-05 Basf Ag Verfahren zur Reinigung von Indigo
DE4336032A1 (de) * 1993-10-22 1995-04-27 Basf Ag Verfahren zur Reinigung von Indigo
CN103387530A (zh) * 2012-05-09 2013-11-13 李立奇 5-溴吲哚的制备方法
CN103556420B (zh) * 2013-10-30 2015-11-18 江苏泰丰化工有限公司 一种从靛蓝后处理洗涤过程中回收混合碱液的方法
PT3569660T (pt) * 2018-05-18 2021-12-17 Archroma Ip Gmbh Método para fazer soluções de sal de leucoíndigo sem anilina
BR102019025172A2 (pt) * 2019-11-28 2021-06-08 Bann Química Ltda. processo de purificação de soluções de sal de leucoíndigo e uso de um gás inerte

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734951C2 (de) * 1977-08-03 1979-08-09 Basf Farben + Fasern Ag, 2000 Hamburg Verfahren zur Nachbehandlung von 4,4', 7,7'-Tetrachlorthioindigo
JPS54124027A (en) * 1978-03-22 1979-09-26 Mitsui Petrochem Ind Ltd Preparation of indigo
DE3101883A1 (de) * 1981-01-22 1982-08-26 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von 4,4',7,7'-tetrachlorthioindigo
CA1334097C (en) * 1988-03-17 1995-01-24 Usaji Takaki Process for the preparation of indigo compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020530517A (ja) * 2017-08-11 2020-10-22 アルフローマ アイピー ゲゼルシャフト ミット ベシュレンクテル ハフツング アニリン不含ロイコインジゴ塩溶液を製造するための方法およびデバイス
JP2023014157A (ja) * 2017-08-11 2023-01-26 アルフローマ アイピー ゲゼルシャフト ミット ベシュレンクテル ハフツング アニリン不含ロイコインジゴ塩溶液を製造するための方法およびデバイス

Also Published As

Publication number Publication date
EP0523532B1 (de) 1997-10-01
ES2107483T3 (es) 1997-12-01
CN1043651C (zh) 1999-06-16
CN1068581A (zh) 1993-02-03
BR9202583A (pt) 1993-03-16
EP0523532A2 (de) 1993-01-20
EP0523532A3 (en) 1994-11-17
DE59208937D1 (de) 1997-11-06
TW224125B (enExample) 1994-05-21
US5116996A (en) 1992-05-26

Similar Documents

Publication Publication Date Title
JPH05202300A (ja) 精製したインジゴの製造方法
WO2021037675A1 (en) Process for producing 4,4'-dichlorodiphenyl sulfone
ATE148692T1 (de) Verfahren zur herstellung von n-phenylmaleinimid
JPS6051464B2 (ja) ε‐カプロクタムの回収方法
JP3068946B2 (ja) インジゴの精製法
JPS6041006B2 (ja) チオシアン酸ナトリウムの回収方法
NO149811B (no) Fremgangsmaate for rensning av p-aminofenol
JPH07157684A (ja) インジゴの精製法
JPS6052733B2 (ja) ヒドロキノンの製造方法
JPH02270891A (ja) N―ホスホノメチルグリシンの製法
JPH0657165A (ja) インジゴの精製法
US4107266A (en) Production of pure alumina from iron contaminated sulfate liquors
JPH0356455A (ja) トリフルオロメタンスルフィン酸及びトリフルオロメタンスルホン酸、ならびにこれらのナトリウム塩の製造方法
JPS6054305B2 (ja) キノリン酸銅の製造法
JPS6026103B2 (ja) ε−カプロラクタム及び硫安の回収方法
US4870209A (en) Process for purifying crude 4-aminophenol
JPS6323179B2 (enExample)
EP0209470B1 (fr) Procédé de séparation, par précipitation, du molybdène contenu dans des solutions sulfuriques ou nitriques d'uranium
CN117756753B (zh) γ-丁内酯制备氯酯的方法及其应用
JPH05112729A (ja) 純インジゴの製造方法
CN1124248C (zh) 通过化学反应处理酮麝香废渣生产二甲苯麝香的方法
JPS5943945B2 (ja) ε↓−カプロラクタムの精製方法
RO104626B1 (ro) Procedeu de purificare a monomerului acid 2-acriiamido-2- metilpropan-1-sulfonic
US3932473A (en) Process for the manufacture of 1-nitro-anthraquinone
JPH07165687A (ja) 5−フルオロアントラニル酸の製造方法

Legal Events

Date Code Title Description
A300 Application deemed to be withdrawn because no request for examination was validly filed

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 19991005