HRP940446B1 - Process for the preparation of 4,4'-dinitrostilbene-2,2'-sulfonic acid - Google Patents

Process for the preparation of 4,4'-dinitrostilbene-2,2'-sulfonic acid

Info

Publication number
HRP940446B1
HRP940446B1 HRP-969/88A HRP940446A HRP940446B1 HR P940446 B1 HRP940446 B1 HR P940446B1 HR P940446 A HRP940446 A HR P940446A HR P940446 B1 HRP940446 B1 HR P940446B1
Authority
HR
Croatia
Prior art keywords
dinitrostilbene
preparation
sulfonic acid
sulfonic
acid
Prior art date
Application number
HRP-969/88A
Inventor
Leonardo Guglielmenti
Original Assignee
Leonardo Guglielmenti
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
Priority claimed from CH3098/87A external-priority patent/CH672785A5/en
Priority claimed from YU00969/88A external-priority patent/YU96988A/en
Application filed by Leonardo Guglielmenti filed Critical Leonardo Guglielmenti
Publication of HRP940446A2 publication Critical patent/HRP940446A2/en
Publication of HRP940446B1 publication Critical patent/HRP940446B1/en

Links

HRP-969/88A 1987-08-12 1994-08-10 Process for the preparation of 4,4'-dinitrostilbene-2,2'-sulfonic acid HRP940446B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH3098/87A CH672785A5 (en) 1987-08-12 1987-08-12 4,4-di:nitro-stilbene 2,2-di:sulphonic acid or salt prodn.
CH422887 1987-10-29
CH114288 1988-03-25
YU00969/88A YU96988A (en) 1987-08-12 1988-05-18 Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid

Publications (2)

Publication Number Publication Date
HRP940446A2 HRP940446A2 (en) 1996-10-31
HRP940446B1 true HRP940446B1 (en) 1999-08-31

Family

ID=27428101

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP-969/88A HRP940446B1 (en) 1987-08-12 1994-08-10 Process for the preparation of 4,4'-dinitrostilbene-2,2'-sulfonic acid

Country Status (1)

Country Link
HR (1) HRP940446B1 (en)

Also Published As

Publication number Publication date
HRP940446A2 (en) 1996-10-31

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Legal Events

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A1OB Publication of a patent application
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Owner name: CIBA SC HOLDING AG, CH

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Owner name: CIBA SPECIALTY CHEMICALS HOLDING INC., CH

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Effective date: 20030519