Number | Name | Date | Kind |
---|---|---|---|
2481283 | Blomquist et al. | Sep 1949 | |
3038009 | Schaffner | Jun 1962 | |
3117044 | Sauer | Jan 1964 | |
3255059 | Hamermesh et al. | Jun 1966 | |
3389026 | Johnson | Jun 1968 | |
3476622 | Harada et al. | Nov 1969 | |
3586552 | Potts et al. | Jun 1971 | |
3804683 | Baldwin et al. | Apr 1974 |
Entry |
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grant, "Hackh's Chemical Dictionary," 4th Ed., p. 456 (1969). |