DD130930A5 - 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'-isomeren

Info

Publication number: DD130930A5
Authority: DD; German Democratic Republic
Prior art keywords: isomera; diaminodiphenylmethane; mixtures; separation; same
Prior art date: 1976-06-04

Application number

DD7700199122A

Other languages

English (en)

Inventor

Kwok K Sun

Original Assignee

Upjohn Co

Priority date (The priority date 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 date listed.)

1976-06-04

Filing date

1977-05-25

Publication date

1978-05-17

1977-05-25 Application filed by Upjohn Co filed Critical Upjohn Co

1978-05-17 Publication of DD130930A5 publication Critical patent/DD130930A5/de

Links

YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 title 1
238000000034 method Methods 0.000 title 1
239000000203 mixture Substances 0.000 title 1
238000000926 separation method Methods 0.000 title 1

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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DD7700199122A 1976-06-04 1977-05-25 Verfahren zum abtrennen von 4,4'-diaminodiphenylmethan in praktisch reiner form aus mischungen desselben mit dem entsprechenden 2,4'-isomeren DD130930A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/693,081 US4201722A (en)	1976-06-04	1976-06-04	Process for separating 4,4'-diaminodiphenylmethane

Publications (1)

Publication Number	Publication Date
DD130930A5 true DD130930A5 (de)	1978-05-17

Family

ID=24783232

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD7700199122A DD130930A5 (de)	1976-06-04	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)	US4201722A (de)
JP (1)	JPS5948819B2 (de)
BE (1)	BE855402A (de)
BR (1)	BR7703390A (de)
DD (1)	DD130930A5 (de)
DE (1)	DE2719996C2 (de)
ES (1)	ES458768A1 (de)
FR (1)	FR2353518A1 (de)
GB (1)	GB1546349A (de)
IT (1)	IT1078289B (de)
MX (1)	MX145854A (de)
NL (1)	NL7705499A (de)
SU (1)	SU718006A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2962512D1 (en) *	1978-09-12	1982-05-27	Sulzer Ag	Process for the preparation of methylene-bridge polyaryl amines
EP1979306B1 (de) *	2006-01-20	2013-04-17	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 (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2149525A (en) *	1934-10-18	1939-03-07	Monsanto Chemicals	Separation of aminodiphenyls
GB808425A (en) *	1954-08-21	1959-02-04	Takashige Tojo	Improvements in or relating to the separation of aromatic amines
US2938054A (en) *	1958-02-18	1960-05-24	Allied Chem	Process for purification of 4, 4'-methylenedianiline
US3175007A (en) *	1961-08-14	1965-03-23	Dow Chemical Co	Purification of dianilines
US3410906A (en) *	1965-10-15	1968-11-12	Phillips Petroleum Co	Process of separating amines
US3542871A (en) *	1968-07-29	1970-11-24	Upjohn Co	Purification of 4,4'-methylene dianiline by crystallization
DE2238379C3 (de) *	1972-08-04	1984-08-30	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Polyaminen
DE2238920C3 (de) *	1972-08-08	1984-09-27	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Polyaminen
CA1004234A (en) *	1972-08-04	1977-01-25	Bayer Aktiengesellschaft	Process for the production of polyamines
US4029705A (en) *	1975-08-18	1977-06-14	The Upjohn Company	Purification process for MDA

1976
- 1976-06-04 US US05/693,081 patent/US4201722A/en not_active Expired - Lifetime
1977
- 1977-05-04 DE DE2719996A patent/DE2719996C2/de not_active Expired
- 1977-05-09 GB GB19353/77A patent/GB1546349A/en not_active Expired
- 1977-05-11 MX MX169100A patent/MX145854A/es unknown
- 1977-05-13 ES ES458768A patent/ES458768A1/es not_active Expired
- 1977-05-18 NL NL7705499A patent/NL7705499A/xx not_active Application Discontinuation
- 1977-05-19 IT IT49480/77A patent/IT1078289B/it active
- 1977-05-25 DD DD7700199122A patent/DD130930A5/de unknown
- 1977-05-26 BR BR7703390A patent/BR7703390A/pt unknown
- 1977-06-03 BE BE178208A patent/BE855402A/xx not_active IP Right Cessation
- 1977-06-03 JP JP52064972A patent/JPS5948819B2/ja not_active Expired
- 1977-06-03 FR FR7717038A patent/FR2353518A1/fr active Granted
- 1977-06-03 SU SU772488999A patent/SU718006A3/ru active

Also Published As

Publication number	Publication date
BE855402A (fr)	1977-12-05
JPS52148055A (en)	1977-12-08
FR2353518A1 (fr)	1977-12-30
DE2719996A1 (de)	1977-12-15
SU718006A3 (ru)	1980-02-25
FR2353518B1 (de)	1983-09-09
IT1078289B (it)	1985-05-08
GB1546349A (en)	1979-05-23
JPS5948819B2 (ja)	1984-11-29
DE2719996C2 (de)	1986-06-26
US4201722A (en)	1980-05-06
ES458768A1 (es)	1978-03-16
BR7703390A (pt)	1978-02-28
NL7705499A (nl)	1977-12-06
MX145854A (es)	1982-04-07

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