JPS4875553A - - Google Patents
Info
- Publication number
- JPS4875553A JPS4875553A JP47116713A JP11671372A JPS4875553A JP S4875553 A JPS4875553 A JP S4875553A JP 47116713 A JP47116713 A JP 47116713A JP 11671372 A JP11671372 A JP 11671372A JP S4875553 A JPS4875553 A JP S4875553A
- 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.)
- Pending
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
- C07C303/22—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 from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5583871A GB1381730A (en) | 1971-12-01 | 1971-12-01 | Process for the industrial manufacture of dinitrostilbene disulphonic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4875553A true JPS4875553A (en) | 1973-10-11 |
Family
ID=10475023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47116713A Pending JPS4875553A (en) | 1971-12-01 | 1972-11-22 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4875553A (en) |
| BE (1) | BE792103A (en) |
| BR (1) | BR7208423D0 (en) |
| CA (1) | CA983026A (en) |
| CH (1) | CH576954A5 (en) |
| DE (1) | DE2258530A1 (en) |
| ES (1) | ES409127A1 (en) |
| FR (1) | FR2164182A5 (en) |
| GB (1) | GB1381730A (en) |
| IT (1) | IT973782B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629561A (en) * | 1979-06-08 | 1981-03-24 | Ciba Geigy Ag | Manufacture of 4*4**dinitrostylbenee2*2** disulfonic acid and its salt |
| CN107417581A (en) * | 2017-08-15 | 2017-12-01 | 连云港莱亚化学有限公司 | A kind of method of aqueous phase pressurization synthesis DSD acid oxidation intermediates |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916912A1 (en) * | 1979-04-26 | 1980-11-06 | Bayer Ag | METHOD FOR PRODUCING 4-NITROTOLUOL-2-SULPHONIC ACID |
| DE3519552A1 (en) * | 1985-05-31 | 1986-12-04 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING 4,4'-DINITROSTILBEN-2,2'-DISULPHONIC ACID SALTS |
| ES2015100B3 (en) * | 1987-08-12 | 1990-08-01 | Ciba-Geigy Ag | ACID PRODUCTION PROCESS 4,4'- DINITROSTILBENO 2,2'DISULFON |
| DE4330377A1 (en) * | 1993-09-08 | 1995-03-09 | Bayer Ag | Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid |
| CN106146357B (en) * | 2015-04-14 | 2017-12-26 | 上海合丽亚日化技术有限公司 | A kind of preparation method of DSD acid |
-
0
- BE BE792103D patent/BE792103A/en unknown
-
1971
- 1971-12-01 GB GB5583871A patent/GB1381730A/en not_active Expired
-
1972
- 1972-11-22 JP JP47116713A patent/JPS4875553A/ja active Pending
- 1972-11-23 CH CH1707772A patent/CH576954A5/xx not_active IP Right Cessation
- 1972-11-27 CA CA157,523A patent/CA983026A/en not_active Expired
- 1972-11-28 FR FR7242281A patent/FR2164182A5/fr not_active Expired
- 1972-11-29 IT IT5434872A patent/IT973782B/en active
- 1972-11-29 DE DE19722258530 patent/DE2258530A1/en active Pending
- 1972-11-30 BR BR842372A patent/BR7208423D0/en unknown
- 1972-11-30 ES ES409127A patent/ES409127A1/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629561A (en) * | 1979-06-08 | 1981-03-24 | Ciba Geigy Ag | Manufacture of 4*4**dinitrostylbenee2*2** disulfonic acid and its salt |
| JPH025741B2 (en) * | 1979-06-08 | 1990-02-05 | Ciba Geigy | |
| CN107417581A (en) * | 2017-08-15 | 2017-12-01 | 连云港莱亚化学有限公司 | A kind of method of aqueous phase pressurization synthesis DSD acid oxidation intermediates |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1381730A (en) | 1975-01-29 |
| BR7208423D0 (en) | 1973-08-23 |
| IT973782B (en) | 1974-06-10 |
| BE792103A (en) | 1973-05-30 |
| CA983026A (en) | 1976-02-03 |
| ES409127A1 (en) | 1975-11-16 |
| DE2258530A1 (en) | 1973-06-07 |
| FR2164182A5 (en) | 1973-07-27 |
| CH576954A5 (en) | 1976-06-30 |