IT1156158B - PROCEDURE FOR PRODUCING 1-AMINO-8-NAFTOL-3,6-DYSPHONIC ACID MONO-ALKALINE SALTS - Google Patents
PROCEDURE FOR PRODUCING 1-AMINO-8-NAFTOL-3,6-DYSPHONIC ACID MONO-ALKALINE SALTSInfo
- Publication number
- IT1156158B IT1156158B IT48792/78A IT4879278A IT1156158B IT 1156158 B IT1156158 B IT 1156158B IT 48792/78 A IT48792/78 A IT 48792/78A IT 4879278 A IT4879278 A IT 4879278A IT 1156158 B IT1156158 B IT 1156158B
- Authority
- IT
- Italy
- Prior art keywords
- dysphonic
- naftol
- amino
- procedure
- producing
- Prior art date
Links
- 239000002253 acid Substances 0.000 title 1
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772716030 DE2716030C3 (en) | 1977-04-09 | 1977-04-09 | Process for the preparation of the monoalkali salt of 1-amino-8-naphthol-3,6-disulfonic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7848792A0 IT7848792A0 (en) | 1978-04-07 |
IT1156158B true IT1156158B (en) | 1987-01-28 |
Family
ID=6006077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48792/78A IT1156158B (en) | 1977-04-09 | 1978-04-07 | PROCEDURE FOR PRODUCING 1-AMINO-8-NAFTOL-3,6-DYSPHONIC ACID MONO-ALKALINE SALTS |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS53127448A (en) |
BE (1) | BE865774A (en) |
BR (1) | BR7802175A (en) |
CH (1) | CH634045A5 (en) |
DE (1) | DE2716030C3 (en) |
FR (1) | FR2386520A1 (en) |
GB (1) | GB1577697A (en) |
IT (1) | IT1156158B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2834166A1 (en) * | 1978-08-04 | 1980-02-28 | Bayer Ag | METHOD FOR PRODUCING 1-AMINO-8-NAPHTHOL-3,6-DISULPHONIC ACID (H-ACID) |
DE2843680A1 (en) * | 1978-10-06 | 1980-04-24 | Bayer Ag | METHOD FOR PRODUCING 1-AMINO-8-NAPHTHOL-4,6-DISULPHONIC ACID (K-ACID) |
DE3118147A1 (en) * | 1981-05-07 | 1982-12-02 | Bayer Ag, 5090 Leverkusen | METHOD FOR ISOLATING H-ACID AND K-ACID |
JPS6388617A (en) * | 1986-10-01 | 1988-04-19 | Mitsubishi Electric Corp | Proportion control governor |
CN109096154A (en) * | 2018-08-16 | 2018-12-28 | 山东裕源集团有限公司 | A kind of H acid production process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR550850A (en) * | 1921-12-12 | 1923-03-21 | New process for preparing acid 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 |
JPS52156844A (en) * | 1976-06-21 | 1977-12-27 | Sumitomo Chem Co Ltd | Preparation of 8-amino-1-naphthol-3,6-disulfonic acid |
CH630067A5 (en) * | 1977-03-31 | 1982-05-28 | Ciba Geigy Ag | METHOD FOR THE PRODUCTION OF NAPHTHYLAMINE HYDROXYSULFOSAURS. |
DE2732291A1 (en) * | 1977-07-16 | 1979-02-01 | Bayer Ag | PROCESS FOR THE PREPARATION OF 1-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID (H-ACID) |
-
1977
- 1977-04-09 DE DE19772716030 patent/DE2716030C3/en not_active Expired
-
1978
- 1978-04-04 GB GB13142/78A patent/GB1577697A/en not_active Expired
- 1978-04-06 CH CH371478A patent/CH634045A5/en not_active IP Right Cessation
- 1978-04-07 JP JP4045178A patent/JPS53127448A/en active Granted
- 1978-04-07 BR BR7802175A patent/BR7802175A/en unknown
- 1978-04-07 BE BE2056856A patent/BE865774A/en not_active IP Right Cessation
- 1978-04-07 FR FR7810429A patent/FR2386520A1/en active Granted
- 1978-04-07 IT IT48792/78A patent/IT1156158B/en active
Also Published As
Publication number | Publication date |
---|---|
BR7802175A (en) | 1978-12-19 |
GB1577697A (en) | 1980-10-29 |
JPS53127448A (en) | 1978-11-07 |
CH634045A5 (en) | 1983-01-14 |
DE2716030B2 (en) | 1980-09-11 |
BE865774A (en) | 1978-10-09 |
DE2716030A1 (en) | 1978-10-19 |
JPS5645910B2 (en) | 1981-10-29 |
FR2386520B1 (en) | 1984-08-31 |
IT7848792A0 (en) | 1978-04-07 |
FR2386520A1 (en) | 1978-11-03 |
DE2716030C3 (en) | 1981-07-16 |
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