Number | Date | Country | Kind |
---|---|---|---|
3331730 | Sep 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4246371 | Meyer et al. | Jan 1981 | |
4289672 | Friederich et al. | Sep 1981 | |
4381366 | Sanderson et al. | Apr 1983 |
Number | Date | Country |
---|---|---|
129548 | Jan 1978 | DDX |
1095700 | Dec 1967 | GBX |
Entry |
---|
Fikentscher "Cellulose-Chemie", Band 13 (1932). |
"Angewandte Chemie", Band 82 (1970), Nr. 2. |