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.)
JOSEPH JULES MOREL
Original Assignee
JOSEPH JULES MOREL
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 JOSEPH JULES MORELfiledCriticalJOSEPH JULES MOREL
Application grantedgrantedCritical
Publication of FR493616ApublicationCriticalpatent/FR493616A/fr
C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
C01F7/28—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfurous acid
Landscapes
Life Sciences & Earth Sciences
(AREA)
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Geochemistry & Mineralogy
(AREA)
Geology
(AREA)
Inorganic Chemistry
(AREA)
FR493616D1917-03-211917-03-21Préparation industrielle de l'alumine pure par l'emploi du gaz sulfureux et de l'hyposulfite de sodium
ExpiredFR493616A
(fr)