CH226830A - Process for the preparation of a 5-pyrazolone-4-sulfonic acid. - Google Patents
Process for the preparation of a 5-pyrazolone-4-sulfonic acid.Info
- Publication number
- CH226830A CH226830A CH226830DA CH226830A CH 226830 A CH226830 A CH 226830A CH 226830D A CH226830D A CH 226830DA CH 226830 A CH226830 A CH 226830A
- Authority
- CH
- Switzerland
- Prior art keywords
- pyrazolone
- preparation
- sulfonic acid
- sulfonic
- acid
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH224208T | 1941-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH226830A true CH226830A (en) | 1943-04-30 |
Family
ID=4453428
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH226829D CH226829A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
CH226828D CH226828A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
CH226831D CH226831A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
CH226830D CH226830A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
CH226832D CH226832A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH226829D CH226829A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
CH226828D CH226828A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
CH226831D CH226831A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH226832D CH226832A (en) | 1941-06-11 | 1941-06-11 | Process for the preparation of a 5-pyrazolone-4-sulfonic acid. |
Country Status (1)
Country | Link |
---|---|
CH (5) | CH226829A (en) |
-
1941
- 1941-06-11 CH CH226829D patent/CH226829A/en unknown
- 1941-06-11 CH CH226828D patent/CH226828A/en unknown
- 1941-06-11 CH CH226831D patent/CH226831A/en unknown
- 1941-06-11 CH CH226830D patent/CH226830A/en unknown
- 1941-06-11 CH CH226832D patent/CH226832A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH226828A (en) | 1943-04-30 |
CH226832A (en) | 1943-04-30 |
CH226831A (en) | 1943-04-30 |
CH226829A (en) | 1943-04-30 |
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