DE3783199T2 - Verfahren zur herstellung von 4,4' diaminodiphenylmethan und derivaten davon. - Google Patents
Verfahren zur herstellung von 4,4' diaminodiphenylmethan und derivaten davon.Info
- Publication number
- DE3783199T2 DE3783199T2 DE8787114787T DE3783199T DE3783199T2 DE 3783199 T2 DE3783199 T2 DE 3783199T2 DE 8787114787 T DE8787114787 T DE 8787114787T DE 3783199 T DE3783199 T DE 3783199T DE 3783199 T2 DE3783199 T2 DE 3783199T2
- Authority
- DE
- Germany
- Prior art keywords
- diaminodiphenylmethane
- derivatives
- producing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8622074A IT1213503B (it) | 1986-10-22 | 1986-10-22 | Sintesi del 4, 4'diamminodifenilmetano e sui derivati mediante zeoliti |
IT8622071A IT1213364B (it) | 1986-10-22 | 1986-10-22 | Procedimento di isomerizzazione di n- (4-amminobenzil) anilina e suoi derivati |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3783199D1 DE3783199D1 (de) | 1993-02-04 |
DE3783199T2 true DE3783199T2 (de) | 1993-04-29 |
Family
ID=26328084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787114787T Expired - Fee Related DE3783199T2 (de) | 1986-10-22 | 1987-10-09 | Verfahren zur herstellung von 4,4' diaminodiphenylmethan und derivaten davon. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0264744B1 (de) |
CN (1) | CN87107165A (de) |
DE (1) | DE3783199T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0329367A3 (de) * | 1988-02-15 | 1990-10-31 | Mitsui Petrochemical Industries, Ltd. | Verfahren zur Herstellung von 4,4'-Methylendianilin |
DE19707255A1 (de) * | 1997-02-24 | 1998-08-27 | Basf Ag | Verfahren zur Herstellung von aromatischen Polyamingemischen |
CZ296966B6 (cs) | 1997-02-24 | 2006-08-16 | Boehringer Ingelheim Pharma Gmbh & Co. Kg. | Farmaceutický prostredek |
IT1312331B1 (it) * | 1999-05-27 | 2002-04-15 | Enichem Spa | Procedimento per la produzione di diamminodifenilmetano e suoiomologhi superiori. |
IT1318686B1 (it) * | 2000-09-07 | 2003-08-27 | Eni Spa | Procedimento per la sintesi di miscele di metilendianilina e suoiomologhi superiori con distribuzione controllata degli isomeri. |
ITMI20010880A1 (it) * | 2001-04-27 | 2002-10-27 | Enitecnologie Spa | Procedimento per la produzione di metilendianilina mediante catalizzatori zeolitici modificati |
DE102008002002A1 (de) * | 2008-05-27 | 2009-12-03 | Evonik Degussa Gmbh | Chlor armes mehrstufiges Verfahren zur Herstellung von cycloaliphatischen Diisocyanaten |
CN103936594A (zh) * | 2014-05-12 | 2014-07-23 | 苏州市湘园特种精细化工有限公司 | 3,3’-二氯-4,4’-二氨基二苯甲烷的新型制备方法 |
JP2017523159A (ja) | 2014-07-07 | 2017-08-17 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | ジフェニルメタンシリーズのジアミンおよびポリアミンの製造方法 |
US10538480B2 (en) | 2016-06-30 | 2020-01-21 | Covestro Deutschland Ag | Process for the production of di- and polyamines of the diphenylmethane series |
CN107866264B (zh) * | 2017-11-21 | 2020-08-28 | 万华化学集团股份有限公司 | 一种合成demma的催化剂及其制备方法、应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071558A (en) * | 1967-09-28 | 1978-01-31 | Texaco Development Corporation | Aromatic polyamines and their preparation |
US4039581A (en) * | 1975-06-27 | 1977-08-02 | The Upjohn Company | Process for the preparation of di(amino phenyl)methanes |
US4052456A (en) * | 1977-01-31 | 1977-10-04 | Texaco Development Corporation | Method of preparing polyaminopolyphenylmethanes |
US4294987A (en) * | 1979-12-31 | 1981-10-13 | The Upjohn Company | Process for preparing methylene dianilines |
DE3202687A1 (de) * | 1982-01-28 | 1983-08-04 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von methylen-bis-phenylcarbaminsaeureestern und polymethylenpolyphenylcarbaminsaeureestern |
-
1987
- 1987-10-09 DE DE8787114787T patent/DE3783199T2/de not_active Expired - Fee Related
- 1987-10-09 EP EP87114787A patent/EP0264744B1/de not_active Expired - Lifetime
- 1987-10-22 CN CN198787107165A patent/CN87107165A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0264744B1 (de) | 1992-12-23 |
DE3783199D1 (de) | 1993-02-04 |
EP0264744A3 (en) | 1988-10-19 |
EP0264744A2 (de) | 1988-04-27 |
CN87107165A (zh) | 1988-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |