ATE83767T1 - PROCESS FOR THE PREPARATION OF 4,4' DIAMINODIPHENYLMETHANE AND DERIVATIVES THEREOF. - Google Patents

PROCESS FOR THE PREPARATION OF 4,4' DIAMINODIPHENYLMETHANE AND DERIVATIVES THEREOF.

Info

Publication number
ATE83767T1
ATE83767T1 AT87114787T AT87114787T ATE83767T1 AT E83767 T1 ATE83767 T1 AT E83767T1 AT 87114787 T AT87114787 T AT 87114787T AT 87114787 T AT87114787 T AT 87114787T AT E83767 T1 ATE83767 T1 AT E83767T1
Authority
AT
Austria
Prior art keywords
diaminodiphenylmethane
derivatives
preparation
Prior art date
Application number
AT87114787T
Other languages
German (de)
Inventor
Mario Gabriele Clerici
Giuseppe Bellussi
Ugo Romano
Original Assignee
Eniricerche Spa
Enichem Sintesi
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
Priority claimed from IT8622074A external-priority patent/IT1213503B/en
Priority claimed from IT8622071A external-priority patent/IT1213364B/en
Application filed by Eniricerche Spa, Enichem Sintesi filed Critical Eniricerche Spa
Priority claimed from EP87114787A external-priority patent/EP0264744B1/en
Application granted granted Critical
Publication of ATE83767T1 publication Critical patent/ATE83767T1/en

Links

AT87114787T 1986-10-22 1987-10-09 PROCESS FOR THE PREPARATION OF 4,4' DIAMINODIPHENYLMETHANE AND DERIVATIVES THEREOF. ATE83767T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT8622074A IT1213503B (en) 1986-10-22 1986-10-22 4,4'-di:amino-di:phenylmethane (deriv.) prepn.
IT8622071A IT1213364B (en) 1986-10-22 1986-10-22 ISOMERIZATION PROCEDURE OF N- (4-AMMINOBENZIL) ANILINE AND ITS DERIVATIVES
EP87114787A EP0264744B1 (en) 1986-10-22 1987-10-09 Process for the preparation of 4,4'-diaminodiphenylmethane and its derivatives

Publications (1)

Publication Number Publication Date
ATE83767T1 true ATE83767T1 (en) 1993-01-15

Family

ID=27230149

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87114787T ATE83767T1 (en) 1986-10-22 1987-10-09 PROCESS FOR THE PREPARATION OF 4,4' DIAMINODIPHENYLMETHANE AND DERIVATIVES THEREOF.

Country Status (1)

Country Link
AT (1) ATE83767T1 (en)

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties