BE866223A - Procede de preparation d'acide naphtalene-1, 3, 6-trisulfonique - Google Patents
Procede de preparation d'acide naphtalene-1, 3, 6-trisulfoniqueInfo
- Publication number
- BE866223A BE866223A BE2056897A BE2056897A BE866223A BE 866223 A BE866223 A BE 866223A BE 2056897 A BE2056897 A BE 2056897A BE 2056897 A BE2056897 A BE 2056897A BE 866223 A BE866223 A BE 866223A
- Authority
- BE
- Belgium
- Prior art keywords
- trisulphonic acid
- preparing naphthalene
- naphthalene
- preparing
- trisulphonic
- 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
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/04—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups
- C07C303/06—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups by reaction with sulfuric acid or sulfur trioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2718207A DE2718207C3 (de) | 1977-04-23 | 1977-04-23 | Verfahren zur Herstellung von Naphthalin-1,3,6-trisulfonsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
BE866223A true BE866223A (fr) | 1978-10-23 |
Family
ID=6007133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2056897A BE866223A (fr) | 1977-04-23 | 1978-04-21 | Procede de preparation d'acide naphtalene-1, 3, 6-trisulfonique |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS53132548A (xx) |
BE (1) | BE866223A (xx) |
BR (1) | BR7802456A (xx) |
CH (1) | CH634044A5 (xx) |
DE (1) | DE2718207C3 (xx) |
FR (1) | FR2387947A1 (xx) |
GB (1) | GB1596897A (xx) |
IT (1) | IT1104816B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2853337A1 (de) * | 1978-12-09 | 1980-06-26 | Bayer Ag | Neue sulfierungsprodukte des naphthalins, verfahren zu ihrer herstellung und verwendung |
DE2901178A1 (de) * | 1979-01-13 | 1980-07-24 | Bayer Ag | Verfahren zur herstellung von naphthalin-1,3,5-trisulfonsaeure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5649908B2 (xx) * | 1973-12-28 | 1981-11-25 |
-
1977
- 1977-04-23 DE DE2718207A patent/DE2718207C3/de not_active Expired
-
1978
- 1978-04-18 GB GB15194/78A patent/GB1596897A/en not_active Expired
- 1978-04-20 CH CH425978A patent/CH634044A5/de not_active IP Right Cessation
- 1978-04-20 BR BR7802456A patent/BR7802456A/pt unknown
- 1978-04-21 FR FR7811944A patent/FR2387947A1/fr not_active Withdrawn
- 1978-04-21 IT IT49013/78A patent/IT1104816B/it active
- 1978-04-21 BE BE2056897A patent/BE866223A/xx not_active IP Right Cessation
- 1978-04-21 JP JP4674078A patent/JPS53132548A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CH634044A5 (en) | 1983-01-14 |
IT1104816B (it) | 1985-10-28 |
BR7802456A (pt) | 1979-04-03 |
JPS5645909B2 (xx) | 1981-10-29 |
FR2387947A1 (fr) | 1978-11-17 |
GB1596897A (en) | 1981-09-03 |
JPS53132548A (en) | 1978-11-18 |
DE2718207B2 (de) | 1980-09-11 |
IT7849013A0 (it) | 1978-04-21 |
DE2718207A1 (de) | 1978-11-02 |
DE2718207C3 (de) | 1981-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BAYER A.G. Effective date: 19840421 |