AT63696B
(en )
1914-02-25
Process for binding the oxygen with the production of hydrogen or nitrogen.
CH73574A
(en )
1916-10-16
Process for the production of oxygen
AT67999B
(en )
1915-02-25
Process for the manufacture of means for electric welding.
CH70403A
(en )
1915-09-16
Process for the production of wood briquettes
AT82991B
(en )
1921-02-25
Process for the production of hydrogen.
CH55749A
(en )
1912-09-02
Process for the production of hydrogen cyanide
CH63360A
(en )
1914-01-16
Process for the production of hydrogen peroxide
AT63697B
(en )
1914-02-25
Process for the electrolytic production of perborates.
CH69336A
(en )
1915-06-16
Process for the catalytic production of hydrogen
AT75599B
(en )
1919-02-25
Process for the enrichment of the potash content of potash salts.
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH63359A
(en )
1914-01-16
Process for the preparation of hydrogen peroxide
CH65130A
(en )
1914-05-16
Process for the preparation of hydrogen
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH68919A
(en )
1915-05-01
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
CH52110A
(en )
1911-11-01
Process for the production of hydrogen cyanide
CH67392A
(en )
1914-12-01
Process for the production of sawdust briquettes
AT57810B
(en )
1913-02-25
Process for the preparation of hydrogen.
AT71551B
(en )
1916-04-25
Process for the production of roofing felt.
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH69274A
(en )
1915-06-01
Process for the preparation of 4-dimethylamino-3,5-dinitro-benzene-1-arsic acid
CH47428A
(en )
1910-07-01
Process for the preparation of hydrogen