Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/JP80/00307 | 12/16/1980 | 8/12/1981 | 8/12/1981 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO81/01712 | 6/25/1981 |
Number | Name | Date | Kind |
---|---|---|---|
3017389 | Langsdorf et al. | Jan 1962 | |
3436375 | McAndrew | Apr 1969 | |
3457228 | Fischer et al. | Jul 1969 | |
3485799 | Park | Dec 1969 | |
3631124 | Burg et al. | Dec 1971 |
Entry |
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M. Imoto et al., "Formaldehyde--Its Chemistry and Industry", (1965), pp. 65-87. |
W. Fukuta et al., "Polymerization of Formaldehyde by Cationic or Anionic Catalyst", (1961), pp. 154-157. |
S. J. Barker et al., "Polyacetals", pp. 11-23. |