VERFAHREN ZUM ENTFERNEN VON KOHLENSTOFF UND/ODER KOHLENSTOFFVERBINDUNGEN VON FESTEN OBERFLAECHEN

A method of removing residual carbon from solid surfaces, such as metal or glass, by contacting the surface with sulfur trioxide, either alone or as part of a fluid system, where the fluid can be a gas such as dry air or nitrogen, or a non-aqueous liquid such as a chlorinated hydrocarbon solvent, an...

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Bibliographische Detailangaben
Hauptverfasser:	TOLLY, MILTON CARL, SETTINERI, WILLIAM JOSEPH, KLASSEN, HAROLD EDWARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	A method of removing residual carbon from solid surfaces, such as metal or glass, by contacting the surface with sulfur trioxide, either alone or as part of a fluid system, where the fluid can be a gas such as dry air or nitrogen, or a non-aqueous liquid such as a chlorinated hydrocarbon solvent, and thereafter rinsing the surface. The surface may be subsequently contacted with a passivating solution. This method provides a clean, chemically homogeneous surface desired for many surface treatments.