MX145853A - Procedimiento mejorado para la separacion del 4,4'diaminodifenil metano a partir de una mezcla de isomeros del mismo - Google Patents
Procedimiento mejorado para la separacion del 4,4'diaminodifenil metano a partir de una mezcla de isomeros del mismoInfo
- Publication number
- MX145853A MX145853A MX169099A MX16909977A MX145853A MX 145853 A MX145853 A MX 145853A MX 169099 A MX169099 A MX 169099A MX 16909977 A MX16909977 A MX 16909977A MX 145853 A MX145853 A MX 145853A
- Authority
- MX
- Mexico
- Prior art keywords
- isomers
- separation
- mixture
- same
- improved procedure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
- C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
- C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/690,913 US4034039A (en) | 1976-05-28 | 1976-05-28 | Purification of methylenedianilines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX145853A true MX145853A (es) | 1982-04-07 |
Family
ID=24774471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX169099A MX145853A (es) | 1976-05-28 | 1977-05-11 | Procedimiento mejorado para la separacion del 4,4'diaminodifenil metano a partir de una mezcla de isomeros del mismo |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4034039A (es) |
| JP (1) | JPS52148054A (es) |
| BE (1) | BE855158A (es) |
| BR (1) | BR7703389A (es) |
| DD (1) | DD130931A5 (es) |
| DE (1) | DE2719997C2 (es) |
| ES (1) | ES458767A1 (es) |
| FR (1) | FR2352789A1 (es) |
| GB (1) | GB1519135A (es) |
| IT (1) | IT1079667B (es) |
| MX (1) | MX145853A (es) |
| NL (1) | NL7705750A (es) |
| SU (1) | SU667129A3 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331110A (ja) * | 1992-05-29 | 1993-12-14 | Sumitomo Chem Co Ltd | ４，４’−ジアミノジフェニルメタンの精製方法 |
| DE19529857A1 (de) * | 1995-08-14 | 1997-02-20 | Bayer Ag | Adduktkristallisate aus Bisphenol A und Bisphenol TMC |
| ES2407972T3 (es) * | 2006-01-20 | 2013-06-17 | Basf Se | Procedimiento para la obtención simultánea de 4,4'-difenilmetanodiamina, así como diisocianato de difenilmetano y poliisocianatos de polifenilenpolimetileno |
| US10759736B2 (en) | 2018-10-17 | 2020-09-01 | Covestro Deutschland Ag | Process for the preparation of di- and polyamines of the diphenylmethane series |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1023040B (de) * | 1956-09-03 | 1958-01-23 | Teerverwertung Mit Beschraenkt | Verfahren zur Herstellung von reinstem Anilin aus Steinkohlenteer |
| US3682782A (en) * | 1968-07-11 | 1972-08-08 | Halcon International Inc | Reduced pressure distillation process for recovering aniline from phenolaniline mixtures |
| US3542871A (en) * | 1968-07-29 | 1970-11-24 | Upjohn Co | Purification of 4,4'-methylene dianiline by crystallization |
-
1976
- 1976-05-28 US US05/690,913 patent/US4034039A/en not_active Expired - Lifetime
-
1977
- 1977-05-04 GB GB18712/77A patent/GB1519135A/en not_active Expired
- 1977-05-04 DE DE2719997A patent/DE2719997C2/de not_active Expired
- 1977-05-11 MX MX169099A patent/MX145853A/es unknown
- 1977-05-13 ES ES458767A patent/ES458767A1/es not_active Expired
- 1977-05-24 IT IT49542/77A patent/IT1079667B/it active
- 1977-05-25 DD DD7700199123A patent/DD130931A5/xx unknown
- 1977-05-25 NL NL7705750A patent/NL7705750A/xx not_active Application Discontinuation
- 1977-05-26 BR BR7703389A patent/BR7703389A/pt unknown
- 1977-05-27 SU SU772485750A patent/SU667129A3/ru active
- 1977-05-27 BE BE178011A patent/BE855158A/xx not_active IP Right Cessation
- 1977-05-27 JP JP6130977A patent/JPS52148054A/ja active Pending
- 1977-05-31 FR FR7716520A patent/FR2352789A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52148054A (en) | 1977-12-08 |
| GB1519135A (en) | 1978-07-26 |
| ES458767A1 (es) | 1978-03-16 |
| SU667129A3 (ru) | 1979-06-05 |
| US4034039A (en) | 1977-07-05 |
| BE855158A (fr) | 1977-11-28 |
| FR2352789A1 (fr) | 1977-12-23 |
| NL7705750A (nl) | 1977-11-30 |
| IT1079667B (it) | 1985-05-13 |
| DE2719997A1 (de) | 1977-12-08 |
| DE2719997C2 (de) | 1986-07-03 |
| FR2352789B1 (es) | 1981-02-27 |
| BR7703389A (pt) | 1978-02-28 |
| DD130931A5 (de) | 1978-05-17 |
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