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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Societe Anonyme de Matieres Colorantes et Produits Chimiques Francolor
Original Assignee
Societe Anonyme de Matieres Colorantes et Produits Chimiques Francolor
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Filing date
Publication date
Application filed by Societe Anonyme de Matieres Colorantes et Produits Chimiques FrancolorfiledCriticalSociete Anonyme de Matieres Colorantes et Produits Chimiques Francolor
Application grantedgrantedCritical
Publication of FR781202ApublicationCriticalpatent/FR781202A/fr
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/69—Sulfur trioxide; Sulfuric acid
C01B17/88—Concentration of sulfuric acid
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Inorganic Chemistry
(AREA)
FR781202D1934-11-131934-11-13Procédé de concentration d'acides sulfuriques résiduaires et appareillage permettant l'exécution de ce procédé
ExpiredFR781202A
(fr)