CH52269A
(en )
1911-11-01
Process and furnace for the continuous production of calcium cyanamide from calcium carbide and nitrogen
CH71327A
(en )
1915-12-16
Process for the production of cyanides from carbides and nitrogen
CH67763A
(en )
1915-01-16
Process and drum furnace for the continuous production of calcium cyanamide
CH67761A
(en )
1915-01-16
Process and furnace for the production of calcium cyanamide
CH41584A
(en )
1908-11-02
Process for the utilization of the carbon oxide formed during the production of calcium carbide
CH53294A
(en )
1912-02-01
Process and furnace system for the continuous production of forgeable iron from ore
CH67582A
(en )
1914-12-16
Furnace for the production of nitrogen compounds from carbides
CH52711A
(en )
1911-12-16
Process and device for the production of atmospheric nitrogen
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
CH67000A
(en )
1914-11-02
Process for the production of calcium cyanamide
CH47429A
(en )
1910-07-01
Process for the production of nitrogen silicon
CH41583A
(en )
1908-11-02
Process for the continuous production of calcium carbide
CH74527A
(en )
1917-03-01
Method and device for the continuous production of nitrogen compounds from metal carbides
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
CH68919A
(en )
1915-05-01
Process for the production of nitrogen
AT68058B
(en )
1915-02-25
Process for the production of sintered magnesite and sintered dolomite.
AT51875B
(en )
1912-01-25
Process and device for the production of superphosphate.
CH67201A
(en )
1914-11-16
Process for the manufacture of cement asbestos bricks and the like
CH65129A
(en )
1914-05-16
Process for the production of nitrogen oxide (NO) from ammonia
CH71328A
(en )
1915-12-16
Process for the direct production of ammonium sulfate from calcium cyanamide and gypsum
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
AT68057B
(en )
1915-02-25
Process for the production of lightweight bricks from blast furnace slag.
CH75790A
(en )
1917-09-17
Process for the direct production of fine iron and fine steel from titanium-containing iron ores
CH62755A
(en )
1914-02-02
process for the production of fire-proof and heat-insulating material