FR2398721A1 - Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique - Google Patents
Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfoniqueInfo
- Publication number
- FR2398721A1 FR2398721A1 FR7822219A FR7822219A FR2398721A1 FR 2398721 A1 FR2398721 A1 FR 2398721A1 FR 7822219 A FR7822219 A FR 7822219A FR 7822219 A FR7822219 A FR 7822219A FR 2398721 A1 FR2398721 A1 FR 2398721A1
- Authority
- FR
- France
- Prior art keywords
- alkaline salts
- c1so3
- hydroxy
- aqueous solutions
- preparing aqueous
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
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 |
---|---|---|---|
US82005477A | 1977-07-29 | 1977-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2398721A1 true FR2398721A1 (fr) | 1979-02-23 |
Family
ID=25229767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7822219A Withdrawn FR2398721A1 (fr) | 1977-07-29 | 1978-07-27 | Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5427550A (ja) |
DE (1) | DE2831995A1 (ja) |
FR (1) | FR2398721A1 (ja) |
GB (1) | GB2001643B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398724A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398723A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398727A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide de tobias ou acide 2-amino-1-naphtalenesulfonique |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3070185D1 (en) * | 1979-12-20 | 1985-03-28 | Ciba Geigy Ag | Process for the preparation of 2-amino-1-naphthalene sulfonic acid |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1182010A (fr) * | 1956-09-05 | 1959-06-22 | Gen Aniline & Film Corp | Procédé de préparation de l'acide bêta-naphtol-sulfonique |
DE2330716A1 (de) * | 1973-01-12 | 1974-08-01 | Bitterfeld Chemie | Vorrichtung zur kontinuierlichen durchfuehrung von reaktionen in fluessiger phase, sowie deren anwendung fuer verschiedene chemische verfahren |
FR2398727A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide de tobias ou acide 2-amino-1-naphtalenesulfonique |
FR2398724A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398723A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398725A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique |
-
1978
- 1978-07-20 DE DE19782831995 patent/DE2831995A1/de not_active Withdrawn
- 1978-07-24 GB GB7830887A patent/GB2001643B/en not_active Expired
- 1978-07-27 FR FR7822219A patent/FR2398721A1/fr not_active Withdrawn
- 1978-07-28 JP JP9167678A patent/JPS5427550A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1182010A (fr) * | 1956-09-05 | 1959-06-22 | Gen Aniline & Film Corp | Procédé de préparation de l'acide bêta-naphtol-sulfonique |
DE2330716A1 (de) * | 1973-01-12 | 1974-08-01 | Bitterfeld Chemie | Vorrichtung zur kontinuierlichen durchfuehrung von reaktionen in fluessiger phase, sowie deren anwendung fuer verschiedene chemische verfahren |
FR2398727A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide de tobias ou acide 2-amino-1-naphtalenesulfonique |
FR2398724A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398723A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398725A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398724A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398723A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias |
FR2398727A1 (fr) * | 1977-07-29 | 1979-02-23 | American Cyanamid Co | Procede de preparation d'acide de tobias ou acide 2-amino-1-naphtalenesulfonique |
Also Published As
Publication number | Publication date |
---|---|
GB2001643A (en) | 1979-02-07 |
DE2831995A1 (de) | 1979-02-08 |
GB2001643B (en) | 1982-01-27 |
JPS5427550A (en) | 1979-03-01 |
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FR2398721A1 (fr) | Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |