FR2386520A1 - Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide " h ") - Google Patents
Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide " h ")Info
- Publication number
- FR2386520A1 FR2386520A1 FR7810429A FR7810429A FR2386520A1 FR 2386520 A1 FR2386520 A1 FR 2386520A1 FR 7810429 A FR7810429 A FR 7810429A FR 7810429 A FR7810429 A FR 7810429A FR 2386520 A1 FR2386520 A1 FR 2386520A1
- Authority
- FR
- France
- Prior art keywords
- acid
- amino
- naphtol
- preparing
- disulphonic
- 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
- 239000002253 acid Substances 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000003839 salts Chemical class 0.000 abstract 2
- APRRQJCCBSJQOQ-UHFFFAOYSA-N 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid Chemical compound OS(=O)(=O)C1=CC(O)=C2C(N)=CC(S(O)(=O)=O)=CC2=C1 APRRQJCCBSJQOQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772716030 DE2716030C3 (de) | 1977-04-09 | 1977-04-09 | Verfahren zur Herstellung von Monoalkalisalzes der 1-Amino-8-naphthol-3,6-disulfonsäure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2386520A1 true FR2386520A1 (fr) | 1978-11-03 |
| FR2386520B1 FR2386520B1 (cg-RX-API-DMAC7.html) | 1984-08-31 |
Family
ID=6006077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7810429A Granted FR2386520A1 (fr) | 1977-04-09 | 1978-04-07 | Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide " h ") |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS53127448A (cg-RX-API-DMAC7.html) |
| BE (1) | BE865774A (cg-RX-API-DMAC7.html) |
| BR (1) | BR7802175A (cg-RX-API-DMAC7.html) |
| CH (1) | CH634045A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2716030C3 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2386520A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1577697A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1156158B (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064651A1 (de) * | 1981-05-07 | 1982-11-17 | Bayer Ag | Verfahren zur Isolierung von H-Säure und K-Säure |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834166A1 (de) * | 1978-08-04 | 1980-02-28 | Bayer Ag | Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure) |
| DE2843680A1 (de) * | 1978-10-06 | 1980-04-24 | Bayer Ag | Verfahren zur herstellung von 1-amino-8-naphthol-4,6-disulfonsaeure (k-saeure) |
| JPS6388617A (ja) * | 1986-10-01 | 1988-04-19 | Mitsubishi Electric Corp | 比例制御ガバナ |
| CN109096154A (zh) * | 2018-08-16 | 2018-12-28 | 山东裕源集团有限公司 | 一种h酸生产工艺 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR550850A (fr) * | 1921-12-12 | 1923-03-21 | Nouveau procédé de préparation de l'acide h | |
| US1670406A (en) * | 1925-05-09 | 1928-05-22 | Newport Co | Process of preparing h-acid |
| US2272272A (en) * | 1939-09-02 | 1942-02-10 | Allied Chem & Dye Corp | Process for preparing hydroxy naphthalene compounds |
| DE2727345A1 (de) * | 1976-06-21 | 1977-12-29 | Sumitomo Chemical Co | Verfahren zur herstellung von 8-amino-1-naphthol-3,6-disulfonsaeure |
| FR2385692A1 (fr) * | 1977-03-31 | 1978-10-27 | Ciba Geigy Ag | Procede pour la preparation d'acides naphtylamino-hydroxysulfoniques |
| EP0000493A1 (de) * | 1977-07-16 | 1979-02-07 | Bayer Ag | Verfahren zur Herstellung von 1-Amino-8-naphthol-3,6-disulfonsäure (H-Säure). |
-
1977
- 1977-04-09 DE DE19772716030 patent/DE2716030C3/de not_active Expired
-
1978
- 1978-04-04 GB GB13142/78A patent/GB1577697A/en not_active Expired
- 1978-04-06 CH CH371478A patent/CH634045A5/de not_active IP Right Cessation
- 1978-04-07 BR BR7802175A patent/BR7802175A/pt unknown
- 1978-04-07 FR FR7810429A patent/FR2386520A1/fr active Granted
- 1978-04-07 BE BE2056856A patent/BE865774A/xx not_active IP Right Cessation
- 1978-04-07 JP JP4045178A patent/JPS53127448A/ja active Granted
- 1978-04-07 IT IT48792/78A patent/IT1156158B/it active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR550850A (fr) * | 1921-12-12 | 1923-03-21 | Nouveau procédé de préparation de l'acide h | |
| US1670406A (en) * | 1925-05-09 | 1928-05-22 | Newport Co | Process of preparing h-acid |
| US2272272A (en) * | 1939-09-02 | 1942-02-10 | Allied Chem & Dye Corp | Process for preparing hydroxy naphthalene compounds |
| DE2727345A1 (de) * | 1976-06-21 | 1977-12-29 | Sumitomo Chemical Co | Verfahren zur herstellung von 8-amino-1-naphthol-3,6-disulfonsaeure |
| FR2385692A1 (fr) * | 1977-03-31 | 1978-10-27 | Ciba Geigy Ag | Procede pour la preparation d'acides naphtylamino-hydroxysulfoniques |
| EP0000493A1 (de) * | 1977-07-16 | 1979-02-07 | Bayer Ag | Verfahren zur Herstellung von 1-Amino-8-naphthol-3,6-disulfonsäure (H-Säure). |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064651A1 (de) * | 1981-05-07 | 1982-11-17 | Bayer Ag | Verfahren zur Isolierung von H-Säure und K-Säure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53127448A (en) | 1978-11-07 |
| CH634045A5 (en) | 1983-01-14 |
| IT1156158B (it) | 1987-01-28 |
| BE865774A (fr) | 1978-10-09 |
| FR2386520B1 (cg-RX-API-DMAC7.html) | 1984-08-31 |
| GB1577697A (en) | 1980-10-29 |
| BR7802175A (pt) | 1978-12-19 |
| JPS5645910B2 (cg-RX-API-DMAC7.html) | 1981-10-29 |
| DE2716030B2 (de) | 1980-09-11 |
| IT7848792A0 (it) | 1978-04-07 |
| DE2716030A1 (de) | 1978-10-19 |
| DE2716030C3 (de) | 1981-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |