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.)
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Rio Tinto Co Ltd
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Rio Tinto Co Ltd
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Publication date
Application filed by Rio Tinto Co LtdfiledCriticalRio Tinto Co Ltd
Application grantedgrantedCritical
Publication of FR652367ApublicationCriticalpatent/FR652367A/fr
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B19/00—Obtaining zinc or zinc oxide
C22B19/20—Obtaining zinc otherwise than by distilling
C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P10/00—Technologies related to metal processing
Y02P10/20—Recycling
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Organic Chemistry
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FR652367D1928-03-191928-04-07Procédé de récupération du zinc contenu dans les pyrites ou autres minerais
ExpiredFR652367A
(fr)