GB8408448D0 - Organic compounds - Google Patents
Organic compoundsInfo
- Publication number
- GB8408448D0 GB8408448D0 GB848408448A GB8408448A GB8408448D0 GB 8408448 D0 GB8408448 D0 GB 8408448D0 GB 848408448 A GB848408448 A GB 848408448A GB 8408448 A GB8408448 A GB 8408448A GB 8408448 D0 GB8408448 D0 GB 8408448D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- organic compounds
- compounds
- organic
- 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
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
-
- 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 |
---|---|---|---|
AT0118683A ATA118683A (en) | 1983-04-05 | 1983-04-05 | METHOD FOR PRODUCING 1-NAPHTHOL-4-SULPHONIC ACID (NEVILE-WINTHER ACID) |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8408448D0 true GB8408448D0 (en) | 1984-05-10 |
GB2137621A GB2137621A (en) | 1984-10-10 |
GB2137621B GB2137621B (en) | 1986-10-08 |
Family
ID=3508464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08408448A Expired GB2137621B (en) | 1983-04-05 | 1984-04-02 | Preparation of 1-naphthol-4-sulphonic acid |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS59193864A (en) |
AT (1) | ATA118683A (en) |
CH (1) | CH659064A5 (en) |
DE (1) | DE3411058A1 (en) |
FR (1) | FR2543948B1 (en) |
GB (1) | GB2137621B (en) |
IT (1) | IT1199103B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3661265D1 (en) * | 1985-10-09 | 1988-12-29 | Hoechst Ag | Single pot process for the production of 2-acetamidonaphthalene-6-sulphonic acid with a high purity |
CN1044808C (en) * | 1997-04-30 | 1999-08-25 | 常州市常宇化工厂 | Technology for industrialized production of 1-naphthol-4-sulfonic-acid and sodium salt thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1452481A (en) * | 1922-07-27 | 1923-04-17 | British Dyestuffs Corp Ltd | Manufacture of 1.4 naphthol sulphonic acid |
-
1983
- 1983-04-05 AT AT0118683A patent/ATA118683A/en not_active Application Discontinuation
-
1984
- 1984-03-26 DE DE19843411058 patent/DE3411058A1/en not_active Withdrawn
- 1984-04-02 CH CH1654/84A patent/CH659064A5/en not_active IP Right Cessation
- 1984-04-02 GB GB08408448A patent/GB2137621B/en not_active Expired
- 1984-04-03 FR FR8405344A patent/FR2543948B1/en not_active Expired
- 1984-04-04 JP JP59065990A patent/JPS59193864A/en active Pending
- 1984-04-05 IT IT8447995A patent/IT1199103B/en active
Also Published As
Publication number | Publication date |
---|---|
JPS59193864A (en) | 1984-11-02 |
FR2543948B1 (en) | 1986-11-28 |
ATA118683A (en) | 1985-06-15 |
FR2543948A1 (en) | 1984-10-12 |
IT8447995A0 (en) | 1984-04-05 |
GB2137621A (en) | 1984-10-10 |
GB2137621B (en) | 1986-10-08 |
CH659064A5 (en) | 1986-12-31 |
IT8447995A1 (en) | 1985-10-05 |
DE3411058A1 (en) | 1984-10-11 |
IT1199103B (en) | 1988-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |