Title:
TREATMENT OF WET TYPE PHOSPHORIC ACID
Document Type and Number:
Japanese Patent JPS54118396
Kind Code:
A
Inventors:
RICHIYAADO ENU HIRU
Application Number:
JP5569478A
Publication Date:
September 13, 1979
Filing Date:
May 12, 1978
Export Citation:
Assignee:
GRACE W R & CO
International Classes:
C01B25/235; C01B25/234; (IPC1-7): C01B25/18
Domestic Patent References:
| JPS52134893A | 1977-11-11 |