Number | Name | Date | Kind |
---|---|---|---|
4062933 | Wolfangel | Dec 1977 | |
4071613 | Hunter, Sr. | Jan 1978 | |
4104366 | Schmidt-Dunker et al. | Aug 1978 | |
4133872 | Schmidt-Dunker et al. | Jan 1979 |
Entry |
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Fujie et al., Chem. Abstracts, vol. 77, No. 5, Jul. 31, 1972, #33158a. |
Okamoto et al., Chem. Abstracts, vol. 82, No. 16, Apr. 21, 1975, #103156c. |