Document Type and Number:
Japanese Patent JPS4952782
Kind Code:
A
Application Number:
JP9523772A
Publication Date:
May 22, 1974
Filing Date:
September 25, 1972
Export Citation:
International Classes:
B01D21/01; C08F20/00; C08F20/34; C08F20/52; C08F20/56; C08F220/00
Domestic Patent References:
| JP33009534A | ||||
| JP39017492A | ||||
| JP40002648A |
Foreign References:
| US3014896A | 1961-12-26 | |||
| US3171805A | 1965-03-02 | |||
| US3259570A | 1966-07-05 | |||
| US3278506A | 1966-10-11 |