CH67361A
(en )
1914-12-01
Process for obtaining zinc by electrolysis of zinc sulfate
CH67362A
(en )
1914-12-01
Process for obtaining copper by electrolysis of copper sulphate
CH65381A
(en )
1914-06-16
Process for obtaining iron by electrolysis of iron sulphate
FR472763A
(en )
1914-12-17
Process for the production of zinc by electrolysis
CH55781A
(en )
1912-09-02
Process for the production of sodium by electrolysis of a molten electrolyte
FR434584A
(en )
1912-02-07
Process for producing copper by electrolysis
CH76764A
(en )
1918-02-01
Process for obtaining iron by electrolysis of iron sulphate
FR455475A
(en )
1913-08-01
Process for the production of hydrogen sulfide
FR466165A
(en )
1914-05-06
Process for the production of alpha-arylides from beta-naphthisatin
FR333773A
(en )
1903-12-03
Process for obtaining zinc by electrolysis
FR452246A
(en )
1913-05-10
Process for the production of isoprene
FR463487A
(en )
1914-02-24
Process for the production of ammonium sulfate
FR458677A
(en )
1913-10-16
Process for the production of erythrene
FR453077A
(en )
1913-05-30
Process for the production of hydrogen
FR461621A
(en )
1914-01-07
Process for the production of hydrogen
FR425634A
(en )
1911-06-15
Process for the electrolytic production of glycolic acid
FR17233E
(en )
1913-07-26
Process for the production of isoprene
FR457846A
(en )
1913-09-26
Process for the production of artificial egrets
FR450065A
(en )
1913-03-14
Metal electrodeposition process
FR440780A
(en )
1912-07-20
Process for the production of hydrogen
FR479599A
(en )
1916-04-12
Process for obtaining brass starting directly from poor zinc ores
CH58030A
(en )
1913-02-17
Process for obtaining pure iron from cast iron
FR457369A
(en )
1913-09-16
Process for the production of indol
CH60983A
(en )
1913-09-01
Process for the production of an artificial zeolite
FR480848A
(en )
1916-09-28
Process for the production of zinc sulphate or other zinc compounds by means of zinc ores