BE873182A - Procede de preparation du sel de magnesium de l'acide nitro-armstong - Google Patents
Procede de preparation du sel de magnesium de l'acide nitro-armstongInfo
- Publication number
- BE873182A BE873182A BE192647A BE192647A BE873182A BE 873182 A BE873182 A BE 873182A BE 192647 A BE192647 A BE 192647A BE 192647 A BE192647 A BE 192647A BE 873182 A BE873182 A BE 873182A
- Authority
- BE
- Belgium
- Prior art keywords
- armstong
- nitro
- acid
- magnesium salt
- preparing magnesium
- Prior art date
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)
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 (1)
Publication Number | Publication Date |
---|---|
BE873182A true BE873182A (fr) | 1979-06-29 |
Family
ID=4416109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE192647A BE873182A (fr) | 1977-12-30 | 1978-12-29 | Procede de preparation du sel de magnesium de l'acide nitro-armstong |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5834468B2 (xx) |
BE (1) | BE873182A (xx) |
CH (1) | CH632739A5 (xx) |
DE (1) | DE2856567C3 (xx) |
FR (1) | FR2413367A1 (xx) |
GB (1) | GB2012269B (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5587760A (en) * | 1978-12-22 | 1980-07-02 | Ciba Geigy Ag | Manufacture of nitrooarmstrong*s acid |
DE2903849A1 (de) * | 1979-02-01 | 1980-08-14 | Bayer Ag | Verfahren zur herstellung des magnesiumsalzes von 2-nitronaphthalin-4,8- disulfonsaeure (nitro-armstrong-saeure) |
US4348334A (en) * | 1979-02-02 | 1982-09-07 | Ciba-Geigy Ag | Process for producing the magnesium salt of 3-nitro-naphthalene-1,5-disulfonic acid (nitro-Armstrong's acid) |
Family Cites Families (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 FR FR7836767A patent/FR2413367A1/fr active Granted
- 1978-12-28 DE DE19782856567 patent/DE2856567C3/de not_active Expired
- 1978-12-28 GB GB7850082A patent/GB2012269B/en not_active Expired
- 1978-12-29 BE BE192647A patent/BE873182A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5834468B2 (ja) | 1983-07-27 |
DE2856567A1 (de) | 1979-07-05 |
DE2856567B2 (de) | 1980-11-20 |
CH632739A5 (de) | 1982-10-29 |
GB2012269B (en) | 1982-06-09 |
FR2413367B1 (xx) | 1983-11-10 |
JPS5495551A (en) | 1979-07-28 |
FR2413367A1 (fr) | 1979-07-27 |
DE2856567C3 (de) | 1982-01-28 |
GB2012269A (en) | 1979-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CIBA-GEIGY A.G. Effective date: 19851231 |