Number | Date | Country | Kind |
---|---|---|---|
5224/86 | Dec 1986 | CHX | |
3577/87 | Sep 1987 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
3228780 | Grelat | Jan 1966 | |
3597254 | Graser et al. | Aug 1971 | |
3679684 | Dhaliwal et al. | Jul 1972 | |
4310359 | Ehashi et al. | Jan 1982 |
Entry |
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Chemical Abstracts, vol. 102, No. 6, Jul. 15, 1984, Abstract No. 47342c, "4-4'-Diamino-1,1'dianthraquinonyl pigment". |