CH271110A
(en )
1950-10-15
Process for destroying foam or preventing foam formation.
CH376134A
(en )
1964-03-31
Process for reducing iron oxide ore
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT179095B
(en )
1954-07-10
Process for the processing of iron-containing sulfidic ores by chlorination
AT174368B
(en )
1953-03-25
Process for the extraction of iron oxide from iron ores
AT174894B
(en )
1953-05-11
Process for the extraction of ferric chloride from iron ores
AT171405B
(en )
1952-05-26
Process for the extraction of metals from ores
AT176862B
(en )
1953-12-10
Process and plant for the extraction of iron from ores containing iron oxide
AT175706B
(en )
1953-08-10
Process for the extraction of gallium from raw aluminum containing gallium
AT174069B
(en )
1953-02-25
Process for the production of technically pure iron
CH283681A
(en )
1952-06-30
Process for the production of shaped bodies from coal.
CH283898A
(en )
1952-06-30
Process for the production of copper oxide dry rectifiers.
AT170855B
(en )
1952-04-10
Process for the production of nitriles from aldoximes
AT186269B
(en )
1956-07-25
Process for smelting ores, in particular iron ores, in a low-shaft furnace
AT181267B
(en )
1955-03-10
Process for the production of finely divided oxides
AT170032B
(en )
1952-01-10
Process for the extraction of argon
AT181863B
(en )
1955-05-10
Process for smelting ores, especially iron ores
AT181605B
(en )
1955-04-12
Process for smelting ores, especially iron ores
AT181606B
(en )
1954-04-12
Process for the smelting of ores, in particular iron ores
AT180070B
(en )
1954-11-10
Process for the production of iron powder from iron oxide for powder metallurgical purposes
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
AT186233B
(en )
1956-07-25
Process for the extraction of ferric chloride from iron ore or other material containing iron oxide
AT175239B
(en )
1953-06-25
Process for the extraction of earth metal salts from silica-containing earth metal raw materials
AT168637B
(en )
1951-07-10
Process for the electrolytic polishing of metals
AT184594B
(en )
1956-02-10
Process for the reduction of ores