GB1403246A - Preparation of 2,2-dimethyl 1,1-dianthraquinonyl - Google Patents

Preparation of 2,2-dimethyl 1,1-dianthraquinonyl

Info

Publication number: GB1403246A
Authority: GB; United Kingdom
Prior art keywords: dianthraquinonyl; dimethyl; preparation
Prior art date: 1971-10-27
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

GB4937872A

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.)

BASF SE

Original Assignee

BASF SE

Badische Anilin and Sodafabrik AG

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.)

1971-10-27

Filing date

1972-10-26

Publication date

1975-08-28

1972-10-26 Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE

1975-08-28 Publication of GB1403246A publication Critical patent/GB1403246A/en

Status Expired legal-status Critical Current

Links

GB4937872A 1971-10-27 1972-10-26 Preparation of 2,2-dimethyl 1,1-dianthraquinonyl Expired GB1403246A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712153383 DE2153383B2 (en)	1971-10-27	1971-10-27	Process for the preparation of 2,2 'Dimethl 1,1' dianthraquinoyl

Publications (1)

Publication Number	Publication Date
GB1403246A true GB1403246A (en)	1975-08-28

Family

ID=5823458

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB4937872A Expired GB1403246A (en)	1971-10-27	1972-10-26	Preparation of 2,2-dimethyl 1,1-dianthraquinonyl

Country Status (6)

Country	Link
JP (1)	JPS536151B2 (en)
CH (1)	CH567449A5 (en)
DE (1)	DE2153383B2 (en)
FR (1)	FR2157921A1 (en)
GB (1)	GB1403246A (en)
IT (1)	IT966469B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3148693A1 (en) *	1981-12-09	1983-06-30	Bayer Ag, 5090 Leverkusen	METHOD FOR PRODUCING 4,4'-DIAMINO-1,1'-DIANTHRIMIDES
JPS6348016A (en) *	1986-08-18	1988-02-29	Nec Corp	Frequency synthesizer

1971
- 1971-10-27 DE DE19712153383 patent/DE2153383B2/en active Granted
1972
- 1972-09-27 CH CH1416372A patent/CH567449A5/xx not_active IP Right Cessation
- 1972-10-23 IT IT5354872A patent/IT966469B/en active
- 1972-10-24 FR FR7237641A patent/FR2157921A1/fr active Pending
- 1972-10-25 JP JP10632872A patent/JPS536151B2/ja not_active Expired
- 1972-10-26 GB GB4937872A patent/GB1403246A/en not_active Expired

Also Published As

Publication number	Publication date
DE2153383B2 (en)	1973-11-22
DE2153383A1 (en)	1973-05-03
IT966469B (en)	1974-02-11
CH567449A5 (en)	1975-10-15
JPS536151B2 (en)	1978-03-04
FR2157921A1 (en)	1973-06-08
DE2153383C3 (en)	1974-06-20
JPS4849752A (en)	1973-07-13

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Legal Events

Date	Code	Title	Description
1976-01-02	PS	Patent sealed
1992-11-25	PE20	Patent expired after termination of 20 years