CH593906A5 - - Google Patents
Info
- Publication number
- CH593906A5 CH593906A5 CH781276A CH781276A CH593906A5 CH 593906 A5 CH593906 A5 CH 593906A5 CH 781276 A CH781276 A CH 781276A CH 781276 A CH781276 A CH 781276A CH 593906 A5 CH593906 A5 CH 593906A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B31/00—Reduction in general
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/40—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitro or nitroso groups bound to the carbon skeleton
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2534176A DE2534176B2 (de) | 1975-07-31 | 1975-07-31 | Halb-kontinuierliches Verfahren zur Herstellung von aromatischen Aminoverbindungen |
| BE173092A BE849215A (fr) | 1975-07-31 | 1976-12-09 | Procede semi-continu pour la preparation de composes amines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH593906A5 true CH593906A5 (xx) | 1977-12-30 |
Family
ID=25649732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH781276A CH593906A5 (xx) | 1975-07-31 | 1976-06-18 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE849215A (xx) |
| CH (1) | CH593906A5 (xx) |
| DE (1) | DE2534176B2 (xx) |
| FR (1) | FR2319624A1 (xx) |
| GB (1) | GB1520343A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH631962A5 (de) * | 1977-12-23 | 1982-09-15 | Ciba Geigy Ag | Kontinuierliches reduktionsverfahren. |
| DE3025805A1 (de) * | 1980-07-08 | 1982-02-04 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 4-amino-3-methyl-phenol |
| GB2179030B (en) * | 1985-07-01 | 1988-12-21 | Mars Inc | Coin dispensers |
| DE3666810D1 (en) * | 1985-10-16 | 1989-12-14 | Ciba Geigy Ag | Bechamp reduction of dns to das using h2so4 and trace of hoac |
| GB8814003D0 (en) * | 1988-06-14 | 1988-07-20 | Kodak Ltd | Method for reducing aromatic nitro groups |
| DE3937342A1 (de) * | 1989-11-09 | 1991-05-16 | Bayer Ag | Verfahren zur herstellung von 2-aminobenzol-disulfonsaeuren-(1,4) und die neue verbindung 6-chlor-2-aminobenzol-disulfonsaeure-(1,4) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2179919A (en) * | 1936-11-25 | 1939-11-14 | Du Pont | Treatment of sludges |
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1975
- 1975-07-31 DE DE2534176A patent/DE2534176B2/de active Granted
-
1976
- 1976-06-18 CH CH781276A patent/CH593906A5/xx not_active IP Right Cessation
- 1976-07-29 GB GB31733/76A patent/GB1520343A/en not_active Expired
- 1976-07-30 FR FR7623422A patent/FR2319624A1/fr active Granted
- 1976-12-09 BE BE173092A patent/BE849215A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE849215A (fr) | 1977-06-09 |
| DE2534176A1 (de) | 1977-02-10 |
| DE2534176C3 (xx) | 1987-06-19 |
| FR2319624B1 (xx) | 1979-09-28 |
| DE2534176B2 (de) | 1978-10-05 |
| GB1520343A (en) | 1978-08-09 |
| FR2319624A1 (fr) | 1977-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |