![]() ![]() B65G53/00- Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam.CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS B65G- TRANSPORT OR STORAGE DEVICES, e.g.B65- CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL.C01B33/18- Preparation of finely divided silica neither in sol nor in gel form After-treatment thereof.C01B33/12- Silica Hydrates thereof, e.g.C01B33/113- Silicon oxides Hydrates thereof. ![]() C01B- NON-METALLIC ELEMENTS COMPOUNDS THEREOF METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C.Assignors: MITANI, YOSHIO, NOMURA, HIROSHI, YOSHIHARA, KOHICHI Application granted granted Critical Publication of US5156498A publication Critical patent/US5156498A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links reassignment TOKUYAMA SODA KABUSHIKI KAISHA, A JAPANESE CORP. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from JP2-89175 external-priority Application filed by Tokuyama Corp filed Critical Tokuyama Corp Assigned to TOKUYAMA SODA KABUSHIKI KAISHA, A JAPANESE CORP. Original Assignee Tokuyama Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/678,156 Inventor Hiroshi Nomura Kohichi Yoshihara Yoshio Mitani Current Assignee (The listed assignees may be inaccurate. Google Patents Method for controlling moisture content of silica powderĭownload PDF Info Publication number US5156498A US5156498A US07/678,156 US67815691A US5156498A US 5156498 A US5156498 A US 5156498A US 67815691 A US67815691 A US 67815691A US 5156498 A US5156498 A US 5156498A Authority US United States Prior art keywords silica powder moisture content steam silica temperature Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5156498A - Method for controlling moisture content of silica powder US5156498A - Method for controlling moisture content of silica powder ![]()
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