This is a continuation of application Ser. No. 805,416 filed Jun. 10, 1977, now abandoned.
Number | Name | Date | Kind |
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2448368 | Gresham et al. | Aug 1948 | |
3462481 | Rudkovsky et al. | Aug 1969 | |
3694502 | Keblys et al. | Sep 1972 |
Entry |
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Matsuda, Akio et al., Bull. Chem. Soc. Japan, vol. 38, (1965), pp. 710-715. |
Matsuda, Akio, Ibid., vol. 46, (1973), pp. 524-530. |
Matsuda, Akio et al., Chemical Abstracts, vol. 82, (1975), #58,475t. |
Number | Date | Country | |
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Parent | 805416 | Jun 1977 |