Number | Date | Country | Kind |
---|---|---|---|
60-285152 | Dec 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4058647 | Inoue et al. | Nov 1977 |
Number | Date | Country |
---|---|---|
0186894A2 | Sep 1986 | EPX |
52-032078A | Mar 1977 | JPX |
52-125588A | Oct 1977 | JPX |
Entry |
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Kirk-Othmer, Encyclopedia of Chemical Technology, 34d Ed, vol. 16, (1981), p. 437. |