Number | Name | Date | Kind |
---|---|---|---|
3936188 | Sawyer | Feb 1976 | |
4749869 | Fournier | Jun 1988 | |
5084909 | Pollak | Jan 1992 | |
5637878 | Herer et al. | Jun 1997 |
Entry |
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"Classification and Chemical Description of the Complex Inorganic Color Pigments" 3rd ed., Dry Color Manufacturer's Association, pp. 37-40, Dec. 1991. |
"Pigments (Inorganic)", Kirk-Othmer Encyclopedia of Chemical Technology, 3rd ed., vol. 17, J. Wiley&Sons, NY, pp. 788, 789, 794-836, Dec. 1982. |