DD123309A5 - - Google Patents
Info
- Publication number
- DD123309A5 DD123309A5 DD189707A DD18970775A DD123309A5 DD 123309 A5 DD123309 A5 DD 123309A5 DD 189707 A DD189707 A DD 189707A DD 18970775 A DD18970775 A DD 18970775A DD 123309 A5 DD123309 A5 DD 123309A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742456308 DE2456308A1 (de) | 1974-11-28 | 1974-11-28 | Verfahren zur herstellung von aminoverbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD123309A5 true DD123309A5 (fr) | 1976-12-12 |
Family
ID=5931965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD189707A DD123309A5 (fr) | 1974-11-28 | 1975-11-26 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5186404A (fr) |
| BE (1) | BE836023A (fr) |
| DD (1) | DD123309A5 (fr) |
| DE (1) | DE2456308A1 (fr) |
| FR (1) | FR2292696A1 (fr) |
| GB (1) | GB1490313A (fr) |
| NL (1) | NL7513748A (fr) |
| PL (1) | PL97303B1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3104643A1 (de) * | 1981-02-10 | 1982-08-19 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von gegebenenfalls p-chlorsubstituiertem 2,6-diaminotoluol |
| DE3433240A1 (de) * | 1984-09-11 | 1986-03-20 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 1-naphthylamin |
| JPS62169750A (ja) * | 1986-01-21 | 1987-07-25 | Toray Ind Inc | １，３，５−トリアミノベンゼンの製造方法 |
| DE3607665A1 (de) * | 1986-03-08 | 1987-09-10 | Bayer Ag | Verfahren zur aufarbeitung waessriger aminloesungen |
| DE4323687A1 (de) * | 1993-07-15 | 1995-01-19 | Bayer Ag | Kontinuierliches Verfahren zur Herstellung von aromatischen Aminen |
| US6087480A (en) * | 1998-01-13 | 2000-07-11 | Ciba Specialty Chemcals Corporation | Process for preparing sparingly soluble aromatic amines |
| DE102004026626A1 (de) | 2004-06-01 | 2005-12-29 | Bayer Materialscience Ag | Verfahren zur destillativen Trennung von wässrigen Aminlösungen |
| US9518006B2 (en) | 2013-10-08 | 2016-12-13 | Covestro Deutschland Ag | Method for producing diaminotoluene |
-
1974
- 1974-11-28 DE DE19742456308 patent/DE2456308A1/de active Pending
-
1975
- 1975-06-24 GB GB26720/75A patent/GB1490313A/en not_active Expired
- 1975-11-25 NL NL7513748A patent/NL7513748A/xx not_active Application Discontinuation
- 1975-11-26 JP JP50140876A patent/JPS5186404A/ja active Pending
- 1975-11-26 DD DD189707A patent/DD123309A5/xx unknown
- 1975-11-27 PL PL1975185047A patent/PL97303B1/pl unknown
- 1975-11-27 BE BE162238A patent/BE836023A/fr unknown
- 1975-11-28 FR FR7536586A patent/FR2292696A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2292696A1 (fr) | 1976-06-25 |
| FR2292696B1 (fr) | 1979-08-10 |
| BE836023A (fr) | 1976-05-28 |
| NL7513748A (nl) | 1976-06-01 |
| PL97303B1 (pl) | 1978-02-28 |
| DE2456308A1 (de) | 1976-08-12 |
| JPS5186404A (fr) | 1976-07-29 |
| GB1490313A (en) | 1977-11-02 |