BR7208423D0 - Processo para obtencao de acido 4 4' dinitroestilbeno 2 2' dissulfonico - Google Patents

Processo para obtencao de acido 4 4' dinitroestilbeno 2 2' dissulfonico

Info

Publication number
BR7208423D0
BR7208423D0 BR842372A BR842372A BR7208423D0 BR 7208423 D0 BR7208423 D0 BR 7208423D0 BR 842372 A BR842372 A BR 842372A BR 842372 A BR842372 A BR 842372A BR 7208423 D0 BR7208423 D0 BR 7208423D0
Authority
BR
Brazil
Prior art keywords
dissulphonic
dinitrostylbene
obtaining
acid
dissulphonic acid
Prior art date
Application number
BR842372A
Other languages
English (en)
Inventor
G Smith
J Mcgilvray
Original Assignee
Clayton Aniline 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 Clayton Aniline Co Ltd filed Critical Clayton Aniline Co Ltd
Publication of BR7208423D0 publication Critical patent/BR7208423D0/pt

Links

BR842372A 1971-12-01 1972-11-30 Processo para obtencao de acido 4 4' dinitroestilbeno 2 2' dissulfonico BR7208423D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5583871A GB1381730A (en) 1971-12-01 1971-12-01 Process for the industrial manufacture of dinitrostilbene disulphonic acid

Publications (1)

Publication Number Publication Date
BR7208423D0 true BR7208423D0 (pt) 1973-08-23

Family

ID=10475023

Family Applications (1)

Application Number Title Priority Date Filing Date
BR842372A BR7208423D0 (pt) 1971-12-01 1972-11-30 Processo para obtencao de acido 4 4' dinitroestilbeno 2 2' dissulfonico

Country Status (10)

Country Link
JP (1) JPS4875553A (pt)
BE (1) BE792103A (pt)
BR (1) BR7208423D0 (pt)
CA (1) CA983026A (pt)
CH (1) CH576954A5 (pt)
DE (1) DE2258530A1 (pt)
ES (1) ES409127A1 (pt)
FR (1) FR2164182A5 (pt)
GB (1) GB1381730A (pt)
IT (1) IT973782B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916912A1 (de) * 1979-04-26 1980-11-06 Bayer Ag Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure
DE3063958D1 (en) * 1979-06-08 1983-08-04 Ciba Geigy Ag Process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts and its use
DE3519552A1 (de) * 1985-05-31 1986-12-04 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeuresalzen
DE3860061D1 (de) * 1987-08-12 1990-05-03 Ciba Geigy Ag Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure.
DE4330377A1 (de) * 1993-09-08 1995-03-09 Bayer Ag Verfahren zur Herstellung von 4,4'-Dinitrostilben-2,2'-disulfonsäure
CN106146357B (zh) * 2015-04-14 2017-12-26 上海合丽亚日化技术有限公司 一种dsd酸的制备方法
CN107417581A (zh) * 2017-08-15 2017-12-01 连云港莱亚化学有限公司 一种水相加压法合成dsd酸氧化中间体的方法

Also Published As

Publication number Publication date
JPS4875553A (pt) 1973-10-11
GB1381730A (en) 1975-01-29
DE2258530A1 (de) 1973-06-07
FR2164182A5 (pt) 1973-07-27
IT973782B (it) 1974-06-10
BE792103A (fr) 1973-05-30
CA983026A (en) 1976-02-03
ES409127A1 (es) 1975-11-16
CH576954A5 (pt) 1976-06-30

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