AT321268B - Process for the preparation of m- and p-phenylenediamine - Google Patents

Process for the preparation of m- and p-phenylenediamine

Info

Publication number
AT321268B
AT321268B AT282073A AT282073A AT321268B AT 321268 B AT321268 B AT 321268B AT 282073 A AT282073 A AT 282073A AT 282073 A AT282073 A AT 282073A AT 321268 B AT321268 B AT 321268B
Authority
AT
Austria
Prior art keywords
phenylenediamine
preparation
Prior art date
Application number
AT282073A
Other languages
German (de)
Inventor
Hans Zengel Dr
Manfred Bergfeld Dr
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Application granted granted Critical
Publication of AT321268B publication Critical patent/AT321268B/en

Links

AT282073A 1972-04-01 1973-03-30 Process for the preparation of m- and p-phenylenediamine AT321268B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722216115 DE2216115C3 (en) 1972-04-01 1972-04-01 Process for the preparation of m- and p-phenylenediamine

Publications (1)

Publication Number Publication Date
AT321268B true AT321268B (en) 1975-03-25

Family

ID=5840930

Family Applications (1)

Application Number Title Priority Date Filing Date
AT282073A AT321268B (en) 1972-04-01 1973-03-30 Process for the preparation of m- and p-phenylenediamine

Country Status (13)

Country Link
JP (1) JPS5761021B2 (en)
AT (1) AT321268B (en)
BE (1) BE797559A (en)
CA (1) CA998067A (en)
CH (1) CH582128A5 (en)
DD (1) DD106637A5 (en)
DE (1) DE2216115C3 (en)
ES (1) ES413226A1 (en)
FR (1) FR2178976B1 (en)
GB (1) GB1364229A (en)
IT (1) IT988136B (en)
NL (1) NL7304529A (en)
SU (1) SU504477A3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2449983C1 (en) * 2010-12-23 2012-05-10 Открытое акционерное общество "Каустик" (ОАО "Каустик") METHOD OF PRODUCING n-PHENYLENEDIAMINE
TW202111096A (en) * 2019-07-02 2021-03-16 日商Ｄｉｃ股份有限公司 Liquid crystal composition and liquid crystal display element meeting the various properties required for an n-type liquid crystal composition having a negative delta epsilon
CN110437080A (en) * 2019-08-13 2019-11-12 上海哈峰新材料科技有限公司 The preparation method of m-phenylene diamine (MPD)
CN111440074A (en) * 2020-03-24 2020-07-24 深圳有为技术控股集团有限公司 Hofmann rearrangement method for preparing m-phenylenediamine
CN112174828B (en) * 2020-10-29 2022-01-07 山东兴强化工产业技术研究院有限公司 Method for preparing m-phenylenediamine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL125244C (en) * 1960-12-07

Also Published As

Publication number Publication date
GB1364229A (en) 1974-08-21
JPS4913125A (en) 1974-02-05
DE2216115B2 (en) 1979-05-03
DE2216115C3 (en) 1980-01-17
DD106637A5 (en) 1974-06-20
BE797559A (en) 1973-07-16
SU504477A3 (en) 1976-02-25
CH582128A5 (en) 1976-11-30
JPS5761021B2 (en) 1982-12-22
IT988136B (en) 1975-04-10
ES413226A1 (en) 1976-01-01
FR2178976B1 (en) 1976-05-21
NL7304529A (en) 1973-10-03
FR2178976A1 (en) 1973-11-16
CA998067A (en) 1976-10-05
DE2216115A1 (en) 1973-10-04

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Legal Events

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