Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NARCISSE ALFRED DROMAIN
Original Assignee
NARCISSE ALFRED DROMAIN
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NARCISSE ALFRED DROMAINfiledCriticalNARCISSE ALFRED DROMAIN
Application grantedgrantedCritical
Publication of FR508200ApublicationCriticalpatent/FR508200A/fr
C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
C04B38/063—Preparing or treating the raw materials individually or as batches