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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/42—Sulfides or polysulfides of magnesium, calcium, strontium, or barium
C01B17/44—Sulfides or polysulfides of magnesium, calcium, strontium, or barium by reduction of sulfates
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FR1057906D1951-12-111951-12-11Procédé et installation pour la fabrication du sulfure de calcium et la productionannexe de soufre
ExpiredFR1057906A
(fr)