CH58030A
(en )
1913-02-17
Process for obtaining pure iron from cast iron
FR461623A
(en )
1914-01-07
Process for the production of hydrogen from iron and water vapor
FR512543A
(en )
1921-01-25
Process for the catalytic production of hydrogen
FR475770A
(en )
1915-06-14
Advanced process for the electrolysis of iron
FR514101A
(en )
1921-03-03
Process for the catalytic production of hydrogen
CH69957A
(en )
1915-08-02
Process for the manufacture of indigo leucode
FR436359A
(en )
1912-03-26
Process for obtaining autotype negatives and for producing networks used for this purpose
FR430820A
(en )
1911-10-25
Process for obtaining glycerin chlorooxyisobutyrate
FR461385A
(en )
1913-12-27
Process for obtaining pure diastase
FR450762A
(en )
1913-04-03
Process for obtaining malleable metals
FR437685A
(en )
1912-04-27
Process for the production of oxygen
FR511259A
(en )
1920-12-21
Process for obtaining plain castings
FR463044A
(en )
1914-02-12
Process for making compounds for removing rawness from water
FR457369A
(en )
1913-09-16
Process for the production of indol
FR450214A
(en )
1913-03-19
Process for obtaining ethers of phenylmethylglycinearsinic acid of the form
FR467076A
(en )
1914-06-03
Process for the production of formaldehyde
FR506618A
(en )
1920-08-26
Process for water softening
FR458441A
(en )
1913-10-10
Process for the purification of graphite
FR418422A
(en )
1910-12-09
Process for the manufacture of houses by casting
FR518522A
(en )
1921-05-27
Process for obtaining a washing agent
FR474499A
(en )
1915-02-23
Process for obtaining metal sulphates
FR463582A
(en )
1914-02-26
Process for obtaining coatings formed from fusible substances
FR452246A
(en )
1913-05-10
Process for the production of isoprene
CH55781A
(en )
1912-09-02
Process for the production of sodium by electrolysis of a molten electrolyte
FR472763A
(en )
1914-12-17
Process for the production of zinc by electrolysis