AT321887B - PROCESS FOR THE PRODUCTION OF P- AND M-PHENYLENEDIAMINES - Google Patents

PROCESS FOR THE PRODUCTION OF P- AND M-PHENYLENEDIAMINES

Info

Publication number: AT321887B
Authority: AT; Austria
Prior art keywords: phenylenediamines; production
Prior art date: 1972-04-01

Application number

AT282373A

Other languages

German (de)

Inventor

Hans Dr Zengel

Manfred Dr Bergfelf

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.)

1972-04-01

Filing date

1973-03-30

Publication date

1975-04-25

1973-03-30 Application filed by Akzo Nv filed Critical Akzo Nv

1975-04-25 Application granted granted Critical

1975-04-25 Publication of AT321887B publication Critical patent/AT321887B/en

Links

AT282373A 1972-04-01 1973-03-30 PROCESS FOR THE PRODUCTION OF P- AND M-PHENYLENEDIAMINES AT321887B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19722216028 DE2216028C3 (en)	1972-04-01	1972-04-01	Process for the preparation of unsubstituted and substituted p- and m-phenylenediamines

Publications (1)

Publication Number	Publication Date
AT321887B true AT321887B (en)	1975-04-25

Family

ID=5840878

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT282373A AT321887B (en)	1972-04-01	1973-03-30	PROCESS FOR THE PRODUCTION OF P- AND M-PHENYLENEDIAMINES

Country Status (13)

Country	Link
JP (1)	JPS5754500B2 (en)
AT (1)	AT321887B (en)
BE (1)	BE797562A (en)
CA (1)	CA1010896A (en)
CH (1)	CH590203A5 (en)
DD (1)	DD107437A5 (en)
DE (1)	DE2216028C3 (en)
ES (1)	ES413229A1 (en)
FR (1)	FR2178975B1 (en)
GB (1)	GB1399407A (en)
IT (1)	IT988135B (en)
NL (1)	NL7304532A (en)
SU (1)	SU495824A3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4254272A (en) *	1979-02-21	1981-03-03	The Goodyear Tire & Rubber Company	Aromatic diamines and polyurethanes cured thereby
DE3126435A1 (en) *	1981-07-04	1983-01-20	Basf Ag, 6700 Ludwigshafen	METHOD FOR THE PRODUCTION OF CELL-MADE POLYURETHANE-POLYURANE MOLDED BODIES, IF ANY, AND ALKYL-SUBSTITUTED PHENYLENE DIAMONIES THEREFOR
DE3309913A1 (en) *	1983-03-19	1984-09-27	Henkel KGaA, 4000 Düsseldorf	NEW 2,4-DIAMINOBENZOL DERIVATIVES AS A COUPLER FOR OXIDATION HAIR COLORING AGENTS
CN102276376B (en) *	2010-06-13	2013-08-28	华东理工大学	Preparation method of axial chiral diamine derivative
RU2449983C1 (en) *	2010-12-23	2012-05-10	Открытое акционерное общество "Каустик" (ОАО "Каустик")	METHOD OF PRODUCING n-PHENYLENEDIAMINE
TW201922692A (en)	2017-10-05	2019-06-16	美商諾沃梅爾公司	Isocyanates, derivatives, and processes for producing the same
CN111018720B (en) *	2019-12-16	2021-01-22	上海交通大学	Method for preparing m-phenylenediamine

1972
- 1972-04-01 DE DE19722216028 patent/DE2216028C3/en not_active Expired
1973
- 1973-03-13 IT IT4877773A patent/IT988135B/en active
- 1973-03-28 CA CA167,378A patent/CA1010896A/en not_active Expired
- 1973-03-29 DD DD16981973A patent/DD107437A5/xx unknown
- 1973-03-30 BE BE129465A patent/BE797562A/en not_active IP Right Cessation
- 1973-03-30 GB GB1544073A patent/GB1399407A/en not_active Expired
- 1973-03-30 FR FR7311668A patent/FR2178975B1/fr not_active Expired
- 1973-03-30 CH CH459873A patent/CH590203A5/xx not_active IP Right Cessation
- 1973-03-30 SU SU1899019A patent/SU495824A3/en active
- 1973-03-30 AT AT282373A patent/AT321887B/en not_active IP Right Cessation
- 1973-03-31 NL NL7304532A patent/NL7304532A/xx not_active Application Discontinuation
- 1973-03-31 ES ES413229A patent/ES413229A1/en not_active Expired
- 1973-04-02 JP JP3772173A patent/JPS5754500B2/ja not_active Expired

Also Published As

Publication number	Publication date
IT988135B (en)	1975-04-10
GB1399407A (en)	1975-07-02
ES413229A1 (en)	1976-01-01
CA1010896A (en)	1977-05-24
BE797562A (en)	1973-07-16
CH590203A5 (en)	1977-07-29
FR2178975B1 (en)	1978-03-10
DE2216028C3 (en)	1979-06-28
DD107437A5 (en)	1974-08-05
SU495824A3 (en)	1975-12-15
DE2216028B2 (en)	1978-11-02
JPS5754500B2 (en)	1982-11-18
JPS4992031A (en)	1974-09-03
DE2216028A1 (en)	1973-10-11
NL7304532A (en)	1973-10-03
FR2178975A1 (en)	1973-11-16

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Legal Events

Date	Code	Title	Description
1985-04-15	ELJ	Ceased due to non-payment of the annual fee