CH577954A5 - - Google Patents
Info
- Publication number
- CH577954A5 CH577954A5 CH459773A CH459773A CH577954A5 CH 577954 A5 CH577954 A5 CH 577954A5 CH 459773 A CH459773 A CH 459773A CH 459773 A CH459773 A CH 459773A CH 577954 A5 CH577954 A5 CH 577954A5
- Authority
- CH
- Switzerland
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722216117 DE2216117C3 (en) | 1972-04-01 | 1972-04-01 | Process for the preparation of p-phenylenediamine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH577954A5 true CH577954A5 (en) | 1976-07-30 |
Family
ID=5840932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH459773A CH577954A5 (en) | 1972-04-01 | 1973-03-30 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5754499B2 (en) |
| AT (1) | AT321269B (en) |
| BE (1) | BE797561A (en) |
| CA (1) | CA998068A (en) |
| CH (1) | CH577954A5 (en) |
| DD (1) | DD106636A5 (en) |
| DE (1) | DE2216117C3 (en) |
| ES (1) | ES413228A1 (en) |
| FR (1) | FR2178978B1 (en) |
| GB (1) | GB1399406A (en) |
| IT (1) | IT989535B (en) |
| NL (1) | NL7304531A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53122611A (en) * | 1977-03-31 | 1978-10-26 | Denki Kagaku Kogyo Kk | Desulfurizing agent for molten metal |
| MX152410A (en) * | 1980-11-17 | 1985-07-10 | Du Pont | METHOD FOR THE PREPARATION OF P-PHENYLENDIAMINE |
-
1972
- 1972-04-01 DE DE19722216117 patent/DE2216117C3/en not_active Expired
-
1973
- 1973-03-13 IT IT4878073A patent/IT989535B/en active
- 1973-03-28 CA CA167,379A patent/CA998068A/en not_active Expired
- 1973-03-29 DD DD16982073A patent/DD106636A5/xx unknown
- 1973-03-30 BE BE129464A patent/BE797561A/en unknown
- 1973-03-30 FR FR7311671A patent/FR2178978B1/fr not_active Expired
- 1973-03-30 AT AT282273A patent/AT321269B/en not_active IP Right Cessation
- 1973-03-30 CH CH459773A patent/CH577954A5/xx not_active IP Right Cessation
- 1973-03-30 GB GB1543973A patent/GB1399406A/en not_active Expired
- 1973-03-31 NL NL7304531A patent/NL7304531A/xx not_active Application Discontinuation
- 1973-03-31 ES ES413228A patent/ES413228A1/en not_active Expired
- 1973-04-02 JP JP3772073A patent/JPS5754499B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7304531A (en) | 1973-10-03 |
| AT321269B (en) | 1975-03-25 |
| JPS4913126A (en) | 1974-02-05 |
| BE797561A (en) | 1973-07-16 |
| ES413228A1 (en) | 1976-01-01 |
| FR2178978B1 (en) | 1978-03-03 |
| DE2216117A1 (en) | 1973-10-04 |
| DD106636A5 (en) | 1974-06-20 |
| IT989535B (en) | 1975-06-10 |
| JPS5754499B2 (en) | 1982-11-18 |
| FR2178978A1 (en) | 1973-11-16 |
| DE2216117B2 (en) | 1980-07-31 |
| DE2216117C3 (en) | 1981-04-02 |
| GB1399406A (en) | 1975-07-02 |
| CA998068A (en) | 1976-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |