BR7805250A - PROCESS FOR THE PREPARATION OF POLYAMINS OF THE DIPHENYLMETAN SERIES - Google Patents

PROCESS FOR THE PREPARATION OF POLYAMINS OF THE DIPHENYLMETAN SERIES

Info

Publication number
BR7805250A
BR7805250A BR7805250A BR7805250A BR7805250A BR 7805250 A BR7805250 A BR 7805250A BR 7805250 A BR7805250 A BR 7805250A BR 7805250 A BR7805250 A BR 7805250A BR 7805250 A BR7805250 A BR 7805250A
Authority
BR
Brazil
Prior art keywords
diphenylmetan
polyamins
series
preparation
diphenylmetan series
Prior art date
Application number
BR7805250A
Other languages
Portuguese (pt)
Inventor
H Schwarz
J Heuser
R Neumann
Original Assignee
Bayer Ag
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.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR7805250A publication Critical patent/BR7805250A/en

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
BR7805250A 1977-08-16 1978-08-15 PROCESS FOR THE PREPARATION OF POLYAMINS OF THE DIPHENYLMETAN SERIES BR7805250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772736862 DE2736862A1 (en) 1977-08-16 1977-08-16 PROCESS FOR PRODUCING POLYAMINES OF THE DIPHENYLMETHANE SERIES

Publications (1)

Publication Number Publication Date
BR7805250A true BR7805250A (en) 1979-04-24

Family

ID=6016494

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7805250A BR7805250A (en) 1977-08-16 1978-08-15 PROCESS FOR THE PREPARATION OF POLYAMINS OF THE DIPHENYLMETAN SERIES

Country Status (6)

Country Link
EP (1) EP0000778B1 (en)
JP (1) JPS5432461A (en)
BR (1) BR7805250A (en)
DE (2) DE2736862A1 (en)
ES (1) ES472514A1 (en)
IT (1) IT1106878B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026554A1 (en) * 1980-07-12 1982-02-11 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING POLYAMINE MIXTURES WITH A HIGH PROPORTION OF 4,4'-DIAMINODIPHENYLMETHANE
DE3142529A1 (en) * 1981-10-27 1983-05-05 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München METHOD FOR PRODUCING DIAMINES OF THE DIPHENYLMETHANE SERIES
HUE039512T2 (en) * 2008-04-16 2019-01-28 Dow Global Technologies Llc Process for making polyaminopolyphenyl methanes using a mixed solid acid catalyst system
DE102008001469A1 (en) * 2008-04-30 2009-11-05 Evonik Degussa Gmbh Process for the preparation of diaminodiphenylalkanes
DE102008001492A1 (en) * 2008-04-30 2009-11-05 Evonik Degussa Gmbh Process for the preparation of diaminodiphenylalkanes
DE102008002002A1 (en) * 2008-05-27 2009-12-03 Evonik Degussa Gmbh Low chlorine multi-step process for the preparation of cycloaliphatic diisocyanates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179945B (en) * 1962-12-11 1964-10-22 Basf Ag Process for the preparation of 4,4'-diaminodiphenylmethanes
US3367969A (en) * 1965-03-08 1968-02-06 Du Pont Process for the preparation of 4, 4'-methylenedianiline
BE754023A (en) * 1969-07-31 1971-01-28 Kaiser Aluminium Chem Corp PROCESS FOR THE MANUFACTURE OF POLYAMINES
DD109615A1 (en) * 1972-08-14 1974-11-12
US3971829A (en) * 1974-11-18 1976-07-27 Jefferson Chemical Company, Inc. Preparation of methylene-bridged polyphenylpolyamine mixtures
DE2748968A1 (en) * 1976-11-06 1978-05-11 Elprochine Ag PROCESS FOR THE PRODUCTION OF METHYLENE BRIDGES POLYARYLAMINES

Also Published As

Publication number Publication date
EP0000778B1 (en) 1980-07-23
JPS5432461A (en) 1979-03-09
ES472514A1 (en) 1979-02-16
IT1106878B (en) 1985-11-18
IT7850728A0 (en) 1978-08-11
DE2736862A1 (en) 1979-03-01
EP0000778A1 (en) 1979-02-21
DE2860072D1 (en) 1980-11-13

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