Number | Name | Date | Kind |
---|---|---|---|
2192704 | Dahlen et al. | Mar 1946 | |
3160510 | Ehrich | Apr 1950 | |
3298847 | Hanke et al. | Jan 1967 | |
3607336 | Jaffe | Sep 1971 | |
4895949 | Jaffe et al. | Jan 1990 |
Number | Date | Country |
---|---|---|
791763 | Dec 1980 | SUX |
Entry |
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K. Venkataraman, "The Chemistry of Synthetic Dyes", vol. II (New York: Academic Press, 1952), pp. 1132, 1133. |
N. M. Bigelow and M. A. Perkins, "Phthalocyanine Pigments," in The Chemistry of Synthetic Dyes, ed. H. A. Lubs (Malabar, Florida: Robert E. Krieger Publishing Company 1955), pp. 598-599. |