Number | Name | Date | Kind |
---|---|---|---|
2429905 | Wright | Oct 1947 | |
2795548 | Thomas et al. | Jun 1957 | |
2831817 | Ecke et al. | Apr 1958 | |
3043672 | Ecke et al. | Jul 1962 | |
3554945 | Andress et al. | Jan 1972 | |
4498998 | Hutchinson | Feb 1985 |
Entry |
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"The Active Constituents of Poison Ivy and Related Plants" Loev, Disseration Thesis for Degree of Doctor of Philosophy, Columbia University (1952). |
Kriel et al, Science, vol. 102, pp. 279-280, (1945). |
Baer et al, Journal of Immunology, vol. 99, pp. 370-375, (1967). |
Smalheer and Smith, Lubricant Additives, 1967. |