DE3276821D1 - PLEOCHROIC ANTHRAQUINONE DYES - Google Patents

PLEOCHROIC ANTHRAQUINONE DYES

Info

Publication number
DE3276821D1
DE3276821D1 DE8484108695T DE3276821T DE3276821D1 DE 3276821 D1 DE3276821 D1 DE 3276821D1 DE 8484108695 T DE8484108695 T DE 8484108695T DE 3276821 T DE3276821 T DE 3276821T DE 3276821 D1 DE3276821 D1 DE 3276821D1
Authority
DE
Germany
Prior art keywords
anthraquinone dyes
pleochroic anthraquinone
pleochroic
dyes
anthraquinone
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
DE8484108695T
Other languages
German (de)
Inventor
David John Thompson
Frances Carolyn Saunders
Edward Peter Raynes
Kenneth John Harrison
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority claimed from EP82300584A external-priority patent/EP0059036B1/en
Application granted granted Critical
Publication of DE3276821D1 publication Critical patent/DE3276821D1/en
Expired legal-status Critical Current

Links

DE8484108695T 1981-02-25 1982-02-05 PLEOCHROIC ANTHRAQUINONE DYES Expired DE3276821D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8105890 1981-02-25
GB8105888 1981-02-25
GB8129518 1981-09-30
EP82300584A EP0059036B1 (en) 1981-02-25 1982-02-05 Pleochroic anthraquinone dyes

Publications (1)

Publication Number Publication Date
DE3276821D1 true DE3276821D1 (en) 1987-08-27

Family

ID=27440414

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484108695T Expired DE3276821D1 (en) 1981-02-25 1982-02-05 PLEOCHROIC ANTHRAQUINONE DYES

Country Status (1)

Country Link
DE (1) DE3276821D1 (en)

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee