CA998068A - Process for the preparation of p-phenylenediamine - Google Patents

Process for the preparation of p-phenylenediamine

Info

Publication number: CA998068A
Authority: CA; Canada
Prior art keywords: phenylenediamine; preparation
Prior art date: 1972-04-01
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

CA167,379A

Other languages

English (en)

Other versions

CA167379S (en

Inventor

Manfred Bergfeld

Hans G. Zengel

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.)

1972-04-01

Filing date

1973-03-28

Publication date

1976-10-05

1973-03-28 Application filed by Akzona Inc filed Critical Akzona Inc

1976-10-05 Application granted granted Critical

1976-10-05 Publication of CA998068A publication Critical patent/CA998068A/en

Status Expired legal-status Critical Current

Links

CA167,379A 1972-04-01 1973-03-28 Process for the preparation of p-phenylenediamine Expired CA998068A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19722216117 DE2216117C3 (de)	1972-04-01	1972-04-01	Verfahren zur Herstellung von p-Phenylendiamin

Publications (1)

Publication Number	Publication Date
CA998068A true CA998068A (en)	1976-10-05

Family

ID=5840932

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA167,379A Expired CA998068A (en)	1972-04-01	1973-03-28	Process for the preparation of p-phenylenediamine

Country Status (12)

Country	Link
JP (1)	JPS5754499B2 (de)
AT (1)	AT321269B (de)
BE (1)	BE797561A (de)
CA (1)	CA998068A (de)
CH (1)	CH577954A5 (de)
DD (1)	DD106636A5 (de)
DE (1)	DE2216117C3 (de)
ES (1)	ES413228A1 (de)
FR (1)	FR2178978B1 (de)
GB (1)	GB1399406A (de)
IT (1)	IT989535B (de)
NL (1)	NL7304531A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53122611A (en) *	1977-03-31	1978-10-26	Denki Kagaku Kogyo Kk	Desulfurizing agent for molten metal
EP0052511B1 (de) *	1980-11-17	1984-03-07	E.I. Du Pont De Nemours And Company	Herstellung von p-Phenylendiamin

1972
- 1972-04-01 DE DE19722216117 patent/DE2216117C3/de not_active Expired
1973
- 1973-03-13 IT IT4878073A patent/IT989535B/it active
- 1973-03-28 CA CA167,379A patent/CA998068A/en not_active Expired
- 1973-03-29 DD DD16982073A patent/DD106636A5/xx unknown
- 1973-03-30 GB GB1543973A patent/GB1399406A/en not_active Expired
- 1973-03-30 FR FR7311671A patent/FR2178978B1/fr not_active Expired
- 1973-03-30 AT AT282273A patent/AT321269B/de not_active IP Right Cessation
- 1973-03-30 BE BE129464A patent/BE797561A/xx unknown
- 1973-03-30 CH CH459773A patent/CH577954A5/xx not_active IP Right Cessation
- 1973-03-31 ES ES413228A patent/ES413228A1/es not_active Expired
- 1973-03-31 NL NL7304531A patent/NL7304531A/xx not_active Application Discontinuation
- 1973-04-02 JP JP3772073A patent/JPS5754499B2/ja not_active Expired

Also Published As

Publication number	Publication date
BE797561A (fr)	1973-07-16
JPS5754499B2 (de)	1982-11-18
DE2216117A1 (de)	1973-10-04
GB1399406A (en)	1975-07-02
FR2178978B1 (de)	1978-03-03
DD106636A5 (de)	1974-06-20
AT321269B (de)	1975-03-25
DE2216117B2 (de)	1980-07-31
IT989535B (it)	1975-06-10
DE2216117C3 (de)	1981-04-02
ES413228A1 (es)	1976-01-01
CH577954A5 (de)	1976-07-30
FR2178978A1 (de)	1973-11-16
JPS4913126A (de)	1974-02-05
NL7304531A (de)	1973-10-03

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