GB1521643A - Process for the manufacture of naphthylaminosulphonic acids - Google Patents

Process for the manufacture of naphthylaminosulphonic acids

Info

Publication number
GB1521643A
GB1521643A GB318077A GB318077A GB1521643A GB 1521643 A GB1521643 A GB 1521643A GB 318077 A GB318077 A GB 318077A GB 318077 A GB318077 A GB 318077A GB 1521643 A GB1521643 A GB 1521643A
Authority
GB
United Kingdom
Prior art keywords
naphthylaminosulphonic
acids
manufacture
naphthylaminosulphonic acids
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.)
Expired
Application number
GB318077A
Other languages
English (en)
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1521643A publication Critical patent/GB1521643A/en
Expired legal-status Critical Current

Links

GB318077A 1976-01-30 1977-01-26 Process for the manufacture of naphthylaminosulphonic acids Expired GB1521643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH117476A CH593248A5 (enrdf_load_stackoverflow) 1976-01-30 1976-01-30

Publications (1)

Publication Number Publication Date
GB1521643A true GB1521643A (en) 1978-08-16

Family

ID=4204221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB318077A Expired GB1521643A (en) 1976-01-30 1977-01-26 Process for the manufacture of naphthylaminosulphonic acids

Country Status (6)

Country Link
JP (1) JPS5293756A (enrdf_load_stackoverflow)
BE (1) BE850842A (enrdf_load_stackoverflow)
CH (1) CH593248A5 (enrdf_load_stackoverflow)
DE (1) DE2703569A1 (enrdf_load_stackoverflow)
FR (1) FR2339594A1 (enrdf_load_stackoverflow)
GB (1) GB1521643A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003774A1 (de) * 1978-02-16 1979-09-05 Ciba-Geigy Ag Verfahren zur Nitrierung von aromatischen Sulfonsäuren
WO1983000147A1 (en) * 1981-06-26 1983-01-20 Duffy, Patrick 8-anilino naphthalene-1-sulphonic acid analogues
CN111848459A (zh) * 2020-08-14 2020-10-30 中国天辰工程有限公司 一种清洁高效的1,6和1,7-克利夫酸制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003774A1 (de) * 1978-02-16 1979-09-05 Ciba-Geigy Ag Verfahren zur Nitrierung von aromatischen Sulfonsäuren
WO1983000147A1 (en) * 1981-06-26 1983-01-20 Duffy, Patrick 8-anilino naphthalene-1-sulphonic acid analogues
CN111848459A (zh) * 2020-08-14 2020-10-30 中国天辰工程有限公司 一种清洁高效的1,6和1,7-克利夫酸制备方法

Also Published As

Publication number Publication date
DE2703569A1 (de) 1977-08-04
CH593248A5 (enrdf_load_stackoverflow) 1977-11-30
JPS5293756A (en) 1977-08-06
FR2339594A1 (fr) 1977-08-26
FR2339594B1 (enrdf_load_stackoverflow) 1979-09-28
BE850842A (fr) 1977-07-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee