BR7206965D0 - PROCESS FOR THE PREPARATION OF AROMATIC POLYAMINES - Google Patents
PROCESS FOR THE PREPARATION OF AROMATIC POLYAMINESInfo
- Publication number
- BR7206965D0 BR7206965D0 BR696572A BR696572A BR7206965D0 BR 7206965 D0 BR7206965 D0 BR 7206965D0 BR 696572 A BR696572 A BR 696572A BR 696572 A BR696572 A BR 696572A BR 7206965 D0 BR7206965 D0 BR 7206965D0
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- aromatic polyamines
- polyamines
- aromatic
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712149998 DE2149998C2 (en) | 1971-10-07 | 1971-10-07 | Process for the production of aromatic polyamines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7206965D0 true BR7206965D0 (en) | 1973-10-09 |
Family
ID=5821687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR696572A BR7206965D0 (en) | 1971-10-07 | 1972-10-06 | PROCESS FOR THE PREPARATION OF AROMATIC POLYAMINES |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4846693A (en) |
| AU (1) | AU467401B2 (en) |
| BE (1) | BE789671A (en) |
| BR (1) | BR7206965D0 (en) |
| DE (1) | DE2149998C2 (en) |
| ES (1) | ES407385A1 (en) |
| FR (1) | FR2155657A5 (en) |
| GB (1) | GB1365454A (en) |
| IT (1) | IT966201B (en) |
| NL (1) | NL7213433A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1960346B2 (en) | 2005-12-08 | 2019-03-27 | Huntsman International Llc | Process for preparing diaminodiphenylmethanes |
| JP7131558B2 (en) * | 2017-09-15 | 2022-09-06 | 日産化学株式会社 | Method for producing novolak-type polymer |
| US11542223B1 (en) | 2022-07-21 | 2023-01-03 | Covestro Llc | Process for preparing di- and polyamines of the diphenyl methane series |
| EP4345088A1 (en) | 2022-09-29 | 2024-04-03 | Covestro Deutschland AG | A process for preparing di- and polyamines of the diphenyl methane series |
| CN118164859B (en) * | 2024-05-11 | 2024-08-20 | 万华化学集团股份有限公司 | Preparation method of di-amine and polyamine of diphenyl methane series |
-
0
- BE BE789671D patent/BE789671A/en unknown
-
1971
- 1971-10-07 DE DE19712149998 patent/DE2149998C2/en not_active Expired
-
1972
- 1972-10-03 AU AU47327/72A patent/AU467401B2/en not_active Expired
- 1972-10-04 NL NL7213433A patent/NL7213433A/xx unknown
- 1972-10-05 IT IT5318372A patent/IT966201B/en active
- 1972-10-05 GB GB4588572A patent/GB1365454A/en not_active Expired
- 1972-10-06 FR FR7235578A patent/FR2155657A5/fr not_active Expired
- 1972-10-06 JP JP9998072A patent/JPS4846693A/ja active Pending
- 1972-10-06 ES ES407385A patent/ES407385A1/en not_active Expired
- 1972-10-06 BR BR696572A patent/BR7206965D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU467401B2 (en) | 1975-11-27 |
| FR2155657A5 (en) | 1973-05-18 |
| ES407385A1 (en) | 1975-11-01 |
| GB1365454A (en) | 1974-09-04 |
| IT966201B (en) | 1974-02-11 |
| BE789671A (en) | 1973-04-04 |
| AU4732772A (en) | 1974-04-11 |
| JPS4846693A (en) | 1973-07-03 |
| DE2149998A1 (en) | 1973-04-12 |
| DE2149998C2 (en) | 1982-05-19 |
| NL7213433A (en) | 1973-04-10 |
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