Number | Name | Date | Kind |
---|---|---|---|
2975160 | Zelinski | May 1961 | |
3281383 | Zelinski et al. | Oct 1966 | |
3294868 | Pritchard | Dec 1966 | |
3629372 | Drake | Dec 1971 | |
3639517 | Kitchen et al. | Feb 1972 | |
3809667 | Coaker et al. | May 1974 | |
3984372 | Cottman | Jul 1976 | |
4091053 | Kitchen | May 1978 | |
4168387 | Cottman | Sep 1979 | |
4267284 | Kitchen | May 1981 | |
4385143 | Yachigo et al. | May 1983 | |
4448915 | Terada et al. | May 1984 | |
4584346 | Kitchen | Apr 1986 | |
4704434 | Kitchen et al. | Nov 1987 | |
4704435 | Kitchen | Nov 1987 | |
4732923 | Takata et al. | Mar 1988 | |
4774274 | Takata et al. | Sep 1988 |
Number | Date | Country |
---|---|---|
0079806 | May 1983 | EPX |
59-71341 | Apr 1984 | JPX |
Entry |
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Studies on Polymer Stabilizers, Polymer Degradation and Stability, vol. 22, 1988, pp. 63-77, author Yachigo et al. |