Number | Date | Country | Kind |
---|---|---|---|
197 43 851 | Oct 1997 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4446241 | Francel et al. | May 1984 | |
5194089 | Speer et al. | Mar 1993 | |
5238881 | Norris et al. | Aug 1993 | |
5326728 | Boury et al. | Jul 1994 |
Number | Date | Country |
---|---|---|
0460863 | Dec 1991 | EPX |
460863 | Dec 1991 | EPX |
3518523 | Jul 1986 | DEX |
4108624 | Sep 1992 | DEX |
19709100 | Sep 1998 | DEX |
1414813 | Aug 1988 | SUX |
Entry |
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Volz, "Industrial Color Testing Fundamentals and Techniques", 1995, pp. 132-135. |
Ullmann's Enzyklopadie der technischen Chemie, 4th Edition, vol. 14 (1977), pp. 9-10. |