Patent search ap:("ALLIED CHEM") AND inv:"OGDEN RICHARD E" Page 1

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发明授权
Apparatus for acidulating phosphate rock with gaseous hydrogen chloride 失效
Title translation: 用气体氯化氢处理磷酸盐岩的装置

公开(公告)号：US3540855A

公开(公告)日：1970-11-17

申请号：US3540855D

申请日：1967-07-10

Applicant: ALLIED CHEM

Inventor： MOORE WILLIAM P , MACGREGOR ROB R , OGDEN RICHARD E

IPC: C01B7/03 , C01B25/22 , C01B25/234 , C01F7/16 , C04B7/44 , B01J1/00 , B01J1/20 , C01B25/18

CPC classification number: C01B25/234 , C01B7/03 , C01B25/22 , C01B33/22 , C01B33/24 , C01F7/164 , C04B7/44

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