JPS57311B2 - - Google Patents
Info
- Publication number
- JPS57311B2 JPS57311B2 JP7372376A JP7372376A JPS57311B2 JP S57311 B2 JPS57311 B2 JP S57311B2 JP 7372376 A JP7372376 A JP 7372376A JP 7372376 A JP7372376 A JP 7372376A JP S57311 B2 JPS57311 B2 JP S57311B2
- Authority
- JP
- Japan
- 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.)
- Expired
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)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7372376A JPS52156844A (en) | 1976-06-21 | 1976-06-21 | Preparation of 8-amino-1-naphthol-3,6-disulfonic acid |
| DE2727345A DE2727345C2 (de) | 1976-06-21 | 1977-06-16 | Verfahren zur Herstellung von 8-Amino-1-naphthol-3,6-disulfonsäure |
| US05/807,187 US4111979A (en) | 1976-06-21 | 1977-06-16 | Process for producing 8-amino-1-naphthol-3,6-disulfonic acid |
| GB7725454A GB1542173A (en) | 1976-06-21 | 1977-06-17 | Process for producing 8-amino-1-naphthol-3,6-disulphonic acid |
| IT49899/77A IT1079052B (it) | 1976-06-21 | 1977-06-20 | Procedimento per la produzione di acido 8 ammino 1 nafto 3,6 disolfonico |
| CH754477A CH629185A5 (de) | 1976-06-21 | 1977-06-20 | Verfahren zur herstellung des monoalkalimetallsalzes von 8-amino-1-naphthol-3,6-disulfonsaeure. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7372376A JPS52156844A (en) | 1976-06-21 | 1976-06-21 | Preparation of 8-amino-1-naphthol-3,6-disulfonic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52156844A JPS52156844A (en) | 1977-12-27 |
| JPS57311B2 true JPS57311B2 (ja) | 1982-01-06 |
Family
ID=13526421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7372376A Granted JPS52156844A (en) | 1976-06-21 | 1976-06-21 | Preparation of 8-amino-1-naphthol-3,6-disulfonic acid |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4111979A (ja) |
| JP (1) | JPS52156844A (ja) |
| CH (1) | CH629185A5 (ja) |
| DE (1) | DE2727345C2 (ja) |
| GB (1) | GB1542173A (ja) |
| IT (1) | IT1079052B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58131713U (ja) * | 1982-03-03 | 1983-09-06 | 上尾精密株式会社 | 時計バンドの構造 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2716030C3 (de) * | 1977-04-09 | 1981-07-16 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Monoalkalisalzes der 1-Amino-8-naphthol-3,6-disulfonsäure |
| US4325889A (en) * | 1978-08-04 | 1982-04-20 | Bayer Aktiengesellschaft | Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) |
| 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) |
| DE3118147A1 (de) | 1981-05-07 | 1982-12-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur isolierung von h-saeure und k-saeure |
| CN102936214B (zh) * | 2011-08-15 | 2014-04-09 | 中国中化股份有限公司 | 一种清洁制备h酸的方法 |
| CN103739524B (zh) * | 2014-01-10 | 2015-11-04 | 江苏明盛化工有限公司 | 一种h酸单钠盐的制备方法 |
| CN105693560A (zh) * | 2016-02-29 | 2016-06-22 | 江苏吉华化工有限公司 | 一种具有高效节能功效的h-酸的制备方法 |
| CN107903192A (zh) * | 2017-11-28 | 2018-04-13 | 绍兴杰派化工科技有限公司 | 一种h酸碱熔物资源化回收利用方法 |
| CN107986997A (zh) * | 2017-12-08 | 2018-05-04 | 荆门市熊兴化工有限公司 | 一种用于h酸生产过程中的碱熔方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190114A (en) * | 1921-12-12 | 1924-03-17 | Gualtiero Poma | Improvements in and relating to the process for the manufacture of acid h (amino-naphthol-disulphonic 1.8.3.6.) |
| US1670406A (en) * | 1925-05-09 | 1928-05-22 | Newport Co | Process of preparing h-acid |
| US1573056A (en) * | 1925-05-09 | 1926-02-16 | Newport Co | Process of preparing 1, 8-aminonaphthol sulphonic acids |
| US2875243A (en) * | 1956-03-31 | 1959-02-24 | Bayer Ag | Process for the production of 1-nitronaphthalene-6-sulfonic acid and 1-naphthylamine-7-sulfonic acid |
-
1976
- 1976-06-21 JP JP7372376A patent/JPS52156844A/ja active Granted
-
1977
- 1977-06-16 US US05/807,187 patent/US4111979A/en not_active Expired - Lifetime
- 1977-06-16 DE DE2727345A patent/DE2727345C2/de not_active Expired
- 1977-06-17 GB GB7725454A patent/GB1542173A/en not_active Expired
- 1977-06-20 IT IT49899/77A patent/IT1079052B/it active
- 1977-06-20 CH CH754477A patent/CH629185A5/de not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58131713U (ja) * | 1982-03-03 | 1983-09-06 | 上尾精密株式会社 | 時計バンドの構造 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1079052B (it) | 1985-05-08 |
| US4111979A (en) | 1978-09-05 |
| JPS52156844A (en) | 1977-12-27 |
| GB1542173A (en) | 1979-03-14 |
| DE2727345A1 (de) | 1977-12-29 |
| CH629185A5 (de) | 1982-04-15 |
| DE2727345C2 (de) | 1986-02-27 |