JPS4948609A - - Google Patents
Info
- Publication number
- JPS4948609A JPS4948609A JP47091954A JP9195472A JPS4948609A JP S4948609 A JPS4948609 A JP S4948609A JP 47091954 A JP47091954 A JP 47091954A JP 9195472 A JP9195472 A JP 9195472A JP S4948609 A JPS4948609 A JP S4948609A
- 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
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47091954A JPS4948609A (en) | 1972-09-13 | 1972-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47091954A JPS4948609A (en) | 1972-09-13 | 1972-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4948609A true JPS4948609A (en) | 1974-05-11 |
Family
ID=14040956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47091954A Pending JPS4948609A (en) | 1972-09-13 | 1972-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4948609A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58110609A (en) * | 1981-12-23 | 1983-07-01 | Nippon Steel Corp | Treatment for molten iron |
| EP1223172A3 (en) * | 2001-01-10 | 2002-07-24 | Basf Aktiengesellschaft | Process for the production of pure triethylene diamine (TEDA) |
| US6627756B1 (en) | 1999-07-23 | 2003-09-30 | Basf Aktiengesellschaft | Preparation of pure triethylenediamine |
| US7345173B2 (en) | 2001-05-10 | 2008-03-18 | Basf Se | Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine |
| JP2008508342A (en) * | 2004-08-05 | 2008-03-21 | ビーエーエスエフ ソシエタス・ヨーロピア | Method for improving the color stability of piperazine |
| JP2009102347A (en) * | 2000-12-12 | 2009-05-14 | Basf Se | Method for producing triethylenediamine |
-
1972
- 1972-09-13 JP JP47091954A patent/JPS4948609A/ja active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58110609A (en) * | 1981-12-23 | 1983-07-01 | Nippon Steel Corp | Treatment for molten iron |
| US6627756B1 (en) | 1999-07-23 | 2003-09-30 | Basf Aktiengesellschaft | Preparation of pure triethylenediamine |
| JP2009102347A (en) * | 2000-12-12 | 2009-05-14 | Basf Se | Method for producing triethylenediamine |
| JP2009102348A (en) * | 2000-12-12 | 2009-05-14 | Basf Se | Method for producing triethylenediamine |
| EP1223172A3 (en) * | 2001-01-10 | 2002-07-24 | Basf Aktiengesellschaft | Process for the production of pure triethylene diamine (TEDA) |
| US6552194B2 (en) | 2001-01-10 | 2003-04-22 | Basf Aktiengesellschaft | Process for the preparation of pure triethylenediamine (TEDA) |
| US7345173B2 (en) | 2001-05-10 | 2008-03-18 | Basf Se | Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine |
| JP2008508342A (en) * | 2004-08-05 | 2008-03-21 | ビーエーエスエフ ソシエタス・ヨーロピア | Method for improving the color stability of piperazine |
| JP4934031B2 (en) * | 2004-08-05 | 2012-05-16 | ビーエーエスエフ ソシエタス・ヨーロピア | Method for improving the color stability of piperazine |