NL7304531A - - Google Patents
Info
- Publication number
- NL7304531A NL7304531A NL7304531A NL7304531A NL7304531A NL 7304531 A NL7304531 A NL 7304531A NL 7304531 A NL7304531 A NL 7304531A NL 7304531 A NL7304531 A NL 7304531A NL 7304531 A NL7304531 A NL 7304531A
- Authority
- NL
- Netherlands
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722216117 DE2216117C3 (de) | 1972-04-01 | 1972-04-01 | Verfahren zur Herstellung von p-Phenylendiamin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7304531A true NL7304531A (de) | 1973-10-03 |
Family
ID=5840932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7304531A NL7304531A (de) | 1972-04-01 | 1973-03-31 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5754499B2 (de) |
| AT (1) | AT321269B (de) |
| BE (1) | BE797561A (de) |
| CA (1) | CA998068A (de) |
| CH (1) | CH577954A5 (de) |
| DD (1) | DD106636A5 (de) |
| DE (1) | DE2216117C3 (de) |
| ES (1) | ES413228A1 (de) |
| FR (1) | FR2178978B1 (de) |
| GB (1) | GB1399406A (de) |
| IT (1) | IT989535B (de) |
| NL (1) | NL7304531A (de) |
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 |
| EP0052511B1 (de) * | 1980-11-17 | 1984-03-07 | E.I. Du Pont De Nemours And Company | Herstellung von p-Phenylendiamin |
-
1972
- 1972-04-01 DE DE19722216117 patent/DE2216117C3/de not_active Expired
-
1973
- 1973-03-13 IT IT4878073A patent/IT989535B/it 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 GB GB1543973A patent/GB1399406A/en not_active Expired
- 1973-03-30 FR FR7311671A patent/FR2178978B1/fr not_active Expired
- 1973-03-30 AT AT282273A patent/AT321269B/de not_active IP Right Cessation
- 1973-03-30 BE BE129464A patent/BE797561A/xx unknown
- 1973-03-30 CH CH459773A patent/CH577954A5/xx not_active IP Right Cessation
- 1973-03-31 ES ES413228A patent/ES413228A1/es not_active Expired
- 1973-03-31 NL NL7304531A patent/NL7304531A/xx not_active Application Discontinuation
- 1973-04-02 JP JP3772073A patent/JPS5754499B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE797561A (fr) | 1973-07-16 |
| JPS5754499B2 (de) | 1982-11-18 |
| DE2216117A1 (de) | 1973-10-04 |
| GB1399406A (en) | 1975-07-02 |
| FR2178978B1 (de) | 1978-03-03 |
| DD106636A5 (de) | 1974-06-20 |
| AT321269B (de) | 1975-03-25 |
| DE2216117B2 (de) | 1980-07-31 |
| IT989535B (it) | 1975-06-10 |
| DE2216117C3 (de) | 1981-04-02 |
| ES413228A1 (es) | 1976-01-01 |
| CH577954A5 (de) | 1976-07-30 |
| CA998068A (en) | 1976-10-05 |
| FR2178978A1 (de) | 1973-11-16 |
| JPS4913126A (de) | 1974-02-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |