CH57996A
(en )
1913-02-01
Process for removing salts from their aqueous solutions
CH53248A
(en )
1912-02-01
Process for obtaining common salt from solutions containing common salt
CH65639A
(en )
1914-07-01
Process for making sacks
CH51112A
(en )
1911-07-17
Process for removing nitrous acid from solutions
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH63362A
(en )
1914-02-02
Process for the production of shaped pieces from common salt
CH65921A
(en )
1914-07-16
Process for the preparation of acetaldehyde from acetylene
CH63569A
(en )
1914-02-02
Process for the preparation of acetaldehyde from acetylene
CH54307A
(en )
1912-05-01
Procedure for removing rust stains
CH65736A
(en )
1914-07-01
Process for the preparation of acetperacid from acetaldehyde
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH69818A
(en )
1915-07-16
Process for the production of conical springs from steel strips
CH65740A
(en )
1914-07-16
Process for drying patent leather
CH69274A
(en )
1915-06-01
Process for the preparation of 4-dimethylamino-3,5-dinitro-benzene-1-arsic acid
CH51153A
(en )
1911-08-01
Process for working zinc
CH66129A
(en )
1914-08-17
Process for cleaning Twitchell reactive
CH58673A
(en )
1913-03-17
Process for the preparation of erythrene from α-methyltrimethyleneimine
CH57062A
(en )
1912-12-02
Process for de-enamelling enamelled objects
CH65022A
(en )
1914-05-16
Process for the hydrogenation of quinine
CH59431A
(en )
1913-05-16
Process for making clichés
CH72167A
(en )
1916-04-01
Process for the production of a table salt from rock salt
AT75541B
(en )
1919-02-25
Process for the production of filter cylinders.
CH69077A
(en )
1915-05-17
Process for making toothpastes
CH62855A
(en )
1913-12-16
Process for making soap
CH66673A
(en )
1914-10-01
Process for the economic recovery of residues from the incineration of waste