FR2413367A1 - Procede de preparation du sel de magnesium de l'acide nitro-armstrong - Google Patents
Procede de preparation du sel de magnesium de l'acide nitro-armstrongInfo
- Publication number
- FR2413367A1 FR2413367A1 FR7836767A FR7836767A FR2413367A1 FR 2413367 A1 FR2413367 A1 FR 2413367A1 FR 7836767 A FR7836767 A FR 7836767A FR 7836767 A FR7836767 A FR 7836767A FR 2413367 A1 FR2413367 A1 FR 2413367A1
- Authority
- FR
- France
- Prior art keywords
- acid
- magnesium salt
- nitro
- preparing magnesium
- armstrong acid
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDE DE CRISTALLISATION DU SEL DIMAGNESIEN DE L'ACIDE 3-NITRONAPHTHALENE-1,5-DISULFONIQUE. LE PROCEDE CONSISTE A FAIRE CRISTALLISER L'ACIDE 3-NITRONAPHTHALENE-1,5-DISULFONIQUE PROVENANT DU MELANGE REACTIONNEL ACIDE DE LA NITRATION DE L'ACIDE 1,5-NAPHTHALENE DISULFONIQUE AU MOYEN D'UNE SOLUTION AQUEUSE D'UN SEL DE MAGNESIUM A UNE TEMPERATURE ENTRE 90 ET 120C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1629977A CH632739A5 (de) | 1977-12-30 | 1977-12-30 | Verfahren zur herstellung von nitro-armstrongsaeure-magnesiumsalz. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2413367A1 true FR2413367A1 (fr) | 1979-07-27 |
FR2413367B1 FR2413367B1 (fr) | 1983-11-10 |
Family
ID=4416109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7836767A Granted FR2413367A1 (fr) | 1977-12-30 | 1978-12-28 | Procede de preparation du sel de magnesium de l'acide nitro-armstrong |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5834468B2 (fr) |
BE (1) | BE873182A (fr) |
CH (1) | CH632739A5 (fr) |
DE (1) | DE2856567C3 (fr) |
FR (1) | FR2413367A1 (fr) |
GB (1) | GB2012269B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013395A1 (fr) * | 1978-12-22 | 1980-07-23 | Ciba-Geigy Ag | Procédé de préparation de l'acide 3-nitro-naphtalène-1,5-disulfonique |
EP0014366A1 (fr) * | 1979-02-01 | 1980-08-20 | Bayer Ag | Procédé de préparation du sel de magnésium de l'acide 2-nitro-naphtalène-4,8-disulfonique |
EP0014680A1 (fr) * | 1979-02-02 | 1980-08-20 | Ciba-Geigy Ag | Procédé de préparation du sel de magnésium de l'acide 3-nitro-naphtalène-1,5-disulfonique |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1756537A (en) * | 1926-02-13 | 1930-04-29 | Nat Aniline & Chem Co Inc | Separation of mononitronaphthalene disulphonic acids |
-
1977
- 1977-12-30 CH CH1629977A patent/CH632739A5/de not_active IP Right Cessation
-
1978
- 1978-12-25 JP JP15873478A patent/JPS5834468B2/ja not_active Expired
- 1978-12-28 GB GB7850082A patent/GB2012269B/en not_active Expired
- 1978-12-28 DE DE19782856567 patent/DE2856567C3/de not_active Expired
- 1978-12-28 FR FR7836767A patent/FR2413367A1/fr active Granted
- 1978-12-29 BE BE192647A patent/BE873182A/fr not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1756537A (en) * | 1926-02-13 | 1930-04-29 | Nat Aniline & Chem Co Inc | Separation of mononitronaphthalene disulphonic acids |
Non-Patent Citations (1)
Title |
---|
EXBK/61 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013395A1 (fr) * | 1978-12-22 | 1980-07-23 | Ciba-Geigy Ag | Procédé de préparation de l'acide 3-nitro-naphtalène-1,5-disulfonique |
EP0014366A1 (fr) * | 1979-02-01 | 1980-08-20 | Bayer Ag | Procédé de préparation du sel de magnésium de l'acide 2-nitro-naphtalène-4,8-disulfonique |
EP0014680A1 (fr) * | 1979-02-02 | 1980-08-20 | Ciba-Geigy Ag | Procédé de préparation du sel de magnésium de l'acide 3-nitro-naphtalène-1,5-disulfonique |
Also Published As
Publication number | Publication date |
---|---|
JPS5495551A (en) | 1979-07-28 |
DE2856567B2 (de) | 1980-11-20 |
CH632739A5 (de) | 1982-10-29 |
DE2856567A1 (de) | 1979-07-05 |
JPS5834468B2 (ja) | 1983-07-27 |
BE873182A (fr) | 1979-06-29 |
DE2856567C3 (de) | 1982-01-28 |
GB2012269A (en) | 1979-07-25 |
FR2413367B1 (fr) | 1983-11-10 |
GB2012269B (en) | 1982-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |