Number | Name | Date | Kind |
---|---|---|---|
4276077 | Zaslavsky et al. | Jun 1981 | |
4374738 | Kelley | Feb 1983 |
Number | Date | Country |
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1168515 | Jul 1985 | SUX |
Entry |
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"Study of the Graft Copolymerization of Lignosulfonate and Acrylic Monomers", Chen et al., 1980, pp. 2211-2220. |