Number | Date | Country | Kind |
---|---|---|---|
8801036 | Apr 1988 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
4339604 | van Geem et al. | Jul 1982 | |
4507512 | Okumura et al. | Mar 1985 | |
4528409 | Mitsui et al. | Jul 1985 | |
4588846 | Mitsui et al. | May 1986 |
Number | Date | Country |
---|---|---|
53847 | Jun 1982 | EPX |
Entry |
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Don et al., Chem. Abst., vol. 97, #181822r (1982). |