JPS5219725A - Process for preparing an azo dye containing sulfonic acid group - Google Patents

Process for preparing an azo dye containing sulfonic acid group

Info

Publication number
JPS5219725A
JPS5219725A JP9610975A JP9610975A JPS5219725A JP S5219725 A JPS5219725 A JP S5219725A JP 9610975 A JP9610975 A JP 9610975A JP 9610975 A JP9610975 A JP 9610975A JP S5219725 A JPS5219725 A JP S5219725A
Authority
JP
Japan
Prior art keywords
sulfonic acid
azo dye
containing sulfonic
dye containing
preparing
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.)
Granted
Application number
JP9610975A
Other languages
Japanese (ja)
Other versions
JPS582976B2 (en
Inventor
Shinjiro Kawasaki
Hideo Kawashita
Masayuki Ishihara
Akinori Miki
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.)
Taoka Chemical Co Ltd
Original Assignee
Taoka Chemical Co Ltd
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 Taoka Chemical Co Ltd filed Critical Taoka Chemical Co Ltd
Priority to JP50096109A priority Critical patent/JPS582976B2/en
Publication of JPS5219725A publication Critical patent/JPS5219725A/en
Publication of JPS582976B2 publication Critical patent/JPS582976B2/en
Expired legal-status Critical Current

Links

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: A process for the production of an azo dye containing sulfonic acid base with high productivity and low pollution, using a limited amount of reacting liquid, eliminating or reducing the post-treatment, especially filtering operation, and minimizing the waste water treatment.
COPYRIGHT: (C)1977,JPO&Japio
JP50096109A 1975-08-06 1975-08-06 Sulfone Sankigan Yuazosenryouno Seizouhou Expired JPS582976B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50096109A JPS582976B2 (en) 1975-08-06 1975-08-06 Sulfone Sankigan Yuazosenryouno Seizouhou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50096109A JPS582976B2 (en) 1975-08-06 1975-08-06 Sulfone Sankigan Yuazosenryouno Seizouhou

Publications (2)

Publication Number Publication Date
JPS5219725A true JPS5219725A (en) 1977-02-15
JPS582976B2 JPS582976B2 (en) 1983-01-19

Family

ID=14156210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50096109A Expired JPS582976B2 (en) 1975-08-06 1975-08-06 Sulfone Sankigan Yuazosenryouno Seizouhou

Country Status (1)

Country Link
JP (1) JPS582976B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940604A (en) * 1972-08-23 1974-04-16
EP0021619A1 (en) * 1979-06-12 1981-01-07 Imperial Chemical Industries Plc A method of making concentrated aqueous solutions of dyes and these solutions
EP0053220A1 (en) * 1980-12-02 1982-06-09 BASF Aktiengesellschaft Method of making compounds containing sulfonic-acid groups with a low amount of electrolytes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181869U (en) * 1984-05-15 1985-12-03 株式会社デンソー electrical terminals

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084038A (en) * 1973-11-26 1975-07-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084038A (en) * 1973-11-26 1975-07-07

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940604A (en) * 1972-08-23 1974-04-16
JPS535005B2 (en) * 1972-08-23 1978-02-23
EP0021619A1 (en) * 1979-06-12 1981-01-07 Imperial Chemical Industries Plc A method of making concentrated aqueous solutions of dyes and these solutions
EP0053220A1 (en) * 1980-12-02 1982-06-09 BASF Aktiengesellschaft Method of making compounds containing sulfonic-acid groups with a low amount of electrolytes
JPS5796052A (en) * 1980-12-02 1982-06-15 Basf Ag Manufacture of less electrolyte sulfonic acid group-containing coloring matter
JPH0220662B2 (en) * 1980-12-02 1990-05-10 Basf Ag

Also Published As

Publication number Publication date
JPS582976B2 (en) 1983-01-19

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