DD130931A5 - Verfahren zum abtrennen von 4,4'-diaminodiphenylmethan in praktisch reiner form aus mischungen desselben mit dem entsprechenden 2,4'-isomeren - Google Patents
Verfahren zum abtrennen von 4,4'-diaminodiphenylmethan in praktisch reiner form aus mischungen desselben mit dem entsprechenden 2,4'-isomerenInfo
- Publication number
- DD130931A5 DD130931A5 DD7700199123A DD19912377A DD130931A5 DD 130931 A5 DD130931 A5 DD 130931A5 DD 7700199123 A DD7700199123 A DD 7700199123A DD 19912377 A DD19912377 A DD 19912377A DD 130931 A5 DD130931 A5 DD 130931A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- isomera
- diaminodiphenylmethane
- mixtures
- separation
- same
- 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 |
|---|---|
| DD130931A5 true DD130931A5 (de) | 1978-05-17 |
Family
ID=24774471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD7700199123A DD130931A5 (de) | 1976-05-28 | 1977-05-25 | Verfahren zum abtrennen von 4,4'-diaminodiphenylmethan in praktisch reiner form aus mischungen desselben mit dem entsprechenden 2,4'-isomeren |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4034039A (xx) |
| JP (1) | JPS52148054A (xx) |
| BE (1) | BE855158A (xx) |
| BR (1) | BR7703389A (xx) |
| DD (1) | DD130931A5 (xx) |
| DE (1) | DE2719997C2 (xx) |
| ES (1) | ES458767A1 (xx) |
| FR (1) | FR2352789A1 (xx) |
| GB (1) | GB1519135A (xx) |
| IT (1) | IT1079667B (xx) |
| MX (1) | MX145853A (xx) |
| NL (1) | NL7705750A (xx) |
| SU (1) | SU667129A3 (xx) |
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 |
| WO2007085534A1 (de) * | 2006-01-20 | 2007-08-02 | Basf Se | Verfahren zur simultanen herstellung von 4,4'-diphenylmethandiamin sowie diphenylmethandiisocyanat und polyphenylenpolymethylenpolyisocyanaten |
| 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 NL NL7705750A patent/NL7705750A/xx not_active Application Discontinuation
- 1977-05-25 DD DD7700199123A patent/DD130931A5/xx unknown
- 1977-05-26 BR BR7703389A patent/BR7703389A/pt unknown
- 1977-05-27 BE BE178011A patent/BE855158A/xx not_active IP Right Cessation
- 1977-05-27 SU SU772485750A patent/SU667129A3/ru active
- 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 |
|---|---|
| IT1079667B (it) | 1985-05-13 |
| JPS52148054A (en) | 1977-12-08 |
| DE2719997C2 (de) | 1986-07-03 |
| GB1519135A (en) | 1978-07-26 |
| DE2719997A1 (de) | 1977-12-08 |
| FR2352789A1 (fr) | 1977-12-23 |
| NL7705750A (nl) | 1977-11-30 |
| FR2352789B1 (xx) | 1981-02-27 |
| SU667129A3 (ru) | 1979-06-05 |
| BR7703389A (pt) | 1978-02-28 |
| ES458767A1 (es) | 1978-03-16 |
| BE855158A (fr) | 1977-11-28 |
| MX145853A (es) | 1982-04-07 |
| US4034039A (en) | 1977-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATA684377A (de) | Verfahren zum stabilisieren von thermo- plastischen polyamiden | |
| JPS5289659A (en) | Process for preparing pure 4*44isoprorylideneebis*2*66dibromphenol* | |
| IT1089242B (it) | 1,3,4-ossadiazoli,processo per la loro preparazione e loro impiego | |
| IT1056948B (it) | L 3 3.4 diidrossi fenil 2 metil alanin peptidi e processo per la loro preparazione | |
| DD130931A5 (de) | Verfahren zum abtrennen von 4,4'-diaminodiphenylmethan in praktisch reiner form aus mischungen desselben mit dem entsprechenden 2,4'-isomeren | |
| DD131470A5 (de) | Verfahren zur herstellung von 2-oxy-5-isopropyliden-7-hydroxy-9-substituierten-2,6-methano-3,4,5,6-tetrahydro-2h-1-benzoxocinen | |
| AT351056B (de) | Maschine zum umsetzen von kompostmieten | |
| DD130930A5 (de) | Verfahren zum abtrennen von 4,4'-diaminodiphenylmethan in praktisch reiner form aus mischungen desselben mit dem entsprechenden 2,4'-isomeren | |
| ZA772643B (en) | Improvements relating to 1,2,6-thiadiazinones | |
| FR2351914A1 (fr) | Procede d'epuration | |
| FR2338939A1 (fr) | Procede de preparation de (vinyl 2, 2-disubstitue)-g-butyrolactones | |
| JPS52114595A (en) | Recovery process for element having variable varency | |
| YU309577A (en) | Process for obtaining octahydro-indolo-(2,3-a)-quinolizine | |
| YU257877A (en) | Process for obtaining thimosine alpha 1 | |
| JPS5291846A (en) | Process for 22*11cyclohexenyl** cyclohexanone | |
| FR2321317A2 (fr) | Procede de separation de melanges, notamment d'isotopes | |
| JPS52146492A (en) | Process for producing having functional group in each ends of molecvle | |
| YU40813B (en) | Process for obtaining 1-tert-butylamino-3-(2,5 dichlorophenoxio-2-propanoe | |
| FR2353522A2 (fr) | Procede d'ammonoxydation | |
| AT340910B (de) | Verfahren zur abtrennung von 1,8-dinitroanthrachinon aus dinitroanthrachinon-gemischen | |
| EG12765A (en) | Fractionation process | |
| DD128359A5 (de) | Verfahren zur herstellung von 5,6-dehydropenicillinen | |
| JPS52106821A (en) | Process for manufacturing *22*halogenformyl** vinyl**organyllphosphine acid halogenide | |
| AT340909B (de) | Verfahren zur abtrennung von 1,5-dinitroanthrachinon aus dinitroanthrachinon-gemischen | |
| PL190699A1 (pl) | Sposob rozdzielania zwiazkow zawartych w technicznych produktach szesciochlorocykloheksanu oraz 1,2,4,-trojchlorobenzenu |