NL7304529A - - Google Patents
Info
- Publication number
- NL7304529A NL7304529A NL7304529A NL7304529A NL7304529A NL 7304529 A NL7304529 A NL 7304529A NL 7304529 A NL7304529 A NL 7304529A NL 7304529 A NL7304529 A NL 7304529A NL 7304529 A NL7304529 A NL 7304529A
- Authority
- NL
- Netherlands
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722216115 DE2216115C3 (de) | 1972-04-01 | 1972-04-01 | Verfahren zur Herstellung von m- und p-Phenylendiamin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7304529A true NL7304529A (enrdf_load_stackoverflow) | 1973-10-03 |
Family
ID=5840930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7304529A NL7304529A (enrdf_load_stackoverflow) | 1972-04-01 | 1973-03-31 |
Country Status (13)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021002205A1 (ja) * | 2019-07-02 | 2021-01-07 | Dic株式会社 | 液晶組成物及び液晶表示素子 |
| CN110437080A (zh) * | 2019-08-13 | 2019-11-12 | 上海哈峰新材料科技有限公司 | 间苯二胺的制备方法 |
| CN111440074A (zh) * | 2020-03-24 | 2020-07-24 | 深圳有为技术控股集团有限公司 | 霍夫曼重排法制备间苯二胺 |
| CN112174828B (zh) * | 2020-10-29 | 2022-01-07 | 山东兴强化工产业技术研究院有限公司 | 一种制备间苯二胺的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL272148A (enrdf_load_stackoverflow) * | 1960-12-07 |
-
1972
- 1972-04-01 DE DE19722216115 patent/DE2216115C3/de not_active Expired
-
1973
- 1973-03-13 IT IT4877873A patent/IT988136B/it active
- 1973-03-28 CA CA167,344A patent/CA998067A/en not_active Expired
- 1973-03-29 DD DD16982473A patent/DD106637A5/xx unknown
- 1973-03-30 SU SU1899021A patent/SU504477A3/ru active
- 1973-03-30 AT AT282073A patent/AT321268B/de not_active IP Right Cessation
- 1973-03-30 BE BE129462A patent/BE797559A/xx unknown
- 1973-03-30 FR FR7311669A patent/FR2178976B1/fr not_active Expired
- 1973-03-30 GB GB1543773A patent/GB1364229A/en not_active Expired
- 1973-03-30 CH CH459573A patent/CH582128A5/xx not_active IP Right Cessation
- 1973-03-31 NL NL7304529A patent/NL7304529A/xx not_active Application Discontinuation
- 1973-03-31 ES ES413226A patent/ES413226A1/es not_active Expired
- 1973-04-02 JP JP3771873A patent/JPS5761021B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2216115A1 (de) | 1973-10-04 |
| DE2216115B2 (de) | 1979-05-03 |
| IT988136B (it) | 1975-04-10 |
| SU504477A3 (ru) | 1976-02-25 |
| CH582128A5 (enrdf_load_stackoverflow) | 1976-11-30 |
| GB1364229A (en) | 1974-08-21 |
| FR2178976B1 (enrdf_load_stackoverflow) | 1976-05-21 |
| BE797559A (fr) | 1973-07-16 |
| CA998067A (en) | 1976-10-05 |
| JPS4913125A (enrdf_load_stackoverflow) | 1974-02-05 |
| AT321268B (de) | 1975-03-25 |
| FR2178976A1 (enrdf_load_stackoverflow) | 1973-11-16 |
| ES413226A1 (es) | 1976-01-01 |
| DD106637A5 (enrdf_load_stackoverflow) | 1974-06-20 |
| DE2216115C3 (de) | 1980-01-17 |
| JPS5761021B2 (enrdf_load_stackoverflow) | 1982-12-22 |
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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 |