Document Type and Number:
Japanese Patent JPS4880495
Kind Code:
A
Application Number:
JP618972A
Publication Date:
October 27, 1973
Filing Date:
January 17, 1972
Export Citation:
International Classes:
C10G19/02; C01B17/96; C01D5/02; C01F5/40; C01F11/46; (IPC1-7): C01F11/46