CA998067A - Process for the preparation of m- and p- phenylenediamine from isophthalic or terephthalic acid diamide - Google Patents

Process for the preparation of m- and p- phenylenediamine from isophthalic or terephthalic acid diamide

Info

Publication number
CA998067A
CA998067A CA167,344A CA167344A CA998067A CA 998067 A CA998067 A CA 998067A CA 167344 A CA167344 A CA 167344A CA 998067 A CA998067 A CA 998067A
Authority
CA
Canada
Prior art keywords
phenylenediamine
isophthalic
preparation
terephthalic acid
acid diamide
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
Application number
CA167,344A
Other languages
English (en)
Other versions
CA167344S (en
Inventor
Hans G. Zengel
Manfred Bergfeld
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzona Inc
Original Assignee
Akzona Inc
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 Akzona Inc filed Critical Akzona Inc
Application granted granted Critical
Publication of CA998067A publication Critical patent/CA998067A/en
Expired legal-status Critical Current

Links

CA167,344A 1972-04-01 1973-03-28 Process for the preparation of m- and p- phenylenediamine from isophthalic or terephthalic acid diamide Expired CA998067A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722216115 DE2216115C3 (de) 1972-04-01 1972-04-01 Verfahren zur Herstellung von m- und p-Phenylendiamin

Publications (1)

Publication Number Publication Date
CA998067A true CA998067A (en) 1976-10-05

Family

ID=5840930

Family Applications (1)

Application Number Title Priority Date Filing Date
CA167,344A Expired CA998067A (en) 1972-04-01 1973-03-28 Process for the preparation of m- and p- phenylenediamine from isophthalic or terephthalic acid diamide

Country Status (13)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2449983C1 (ru) * 2010-12-23 2012-05-10 Открытое акционерное общество "Каустик" (ОАО "Каустик") СПОСОБ ПОЛУЧЕНИЯ п-ФЕНИЛЕНДИАМИНА
WO2021002205A1 (ja) * 2019-07-02 2021-01-07 Dic株式会社 液晶組成物及び液晶表示素子
CN110437080A (zh) * 2019-08-13 2019-11-12 上海哈峰新材料科技有限公司 间苯二胺的制备方法
CN111440074A (zh) * 2020-03-24 2020-07-24 深圳有为技术控股集团有限公司 霍夫曼重排法制备间苯二胺
CN112174828B (zh) * 2020-10-29 2022-01-07 山东兴强化工产业技术研究院有限公司 一种制备间苯二胺的方法

Family Cites Families (1)

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

Also Published As

Publication number Publication date
FR2178976B1 (xx) 1976-05-21
SU504477A3 (ru) 1976-02-25
DE2216115B2 (de) 1979-05-03
DD106637A5 (xx) 1974-06-20
JPS4913125A (xx) 1974-02-05
FR2178976A1 (xx) 1973-11-16
ES413226A1 (es) 1976-01-01
GB1364229A (en) 1974-08-21
NL7304529A (xx) 1973-10-03
IT988136B (it) 1975-04-10
CH582128A5 (xx) 1976-11-30
DE2216115A1 (de) 1973-10-04
DE2216115C3 (de) 1980-01-17
JPS5761021B2 (xx) 1982-12-22
AT321268B (de) 1975-03-25
BE797559A (fr) 1973-07-16

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