CH67115A
(en )
1914-11-02
Process for softening water using base-exchanging substances
CH67915A
(en )
1915-02-01
Process for softening water
CH59680A
(en )
1913-06-02
Process for cleaning water containing sulphate
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH65639A
(en )
1914-07-01
Process for making sacks
CH56992A
(en )
1912-12-02
Process for replicating stained glass
CH73107A
(en )
1916-08-16
Process for cleaning sulphite waste liquor
CH67036A
(en )
1914-11-02
Process for the preparation of a-bronisovaleric acid-p-phenetidine
CH66129A
(en )
1914-08-17
Process for cleaning Twitchell reactive
CH63126A
(en )
1914-01-02
Process for the preparation of sodium oxalate by heating sodium formate
CH66729A
(en )
1914-10-01
Process for the preparation of an a-arylide of ß-naphtisatin
CH62855A
(en )
1913-12-16
Process for making soap
AT75550B
(en )
1919-02-25
Process for processing quicklime.
CH66328A
(en )
1914-10-16
Process for liming hides
CH65022A
(en )
1914-05-16
Process for the hydrogenation of quinine
CH78400A
(en )
1918-12-02
Process for briquetting fuel waste
CH58670A
(en )
1913-03-17
Process for the representation of erythrene
CH54324A
(en )
1912-05-17
Process for the representation of erythrene
CH65130A
(en )
1914-05-16
Process for the preparation of hydrogen
CH55943A
(en )
1912-09-16
Process for clarifying and disinfecting water
AT74592B
(en )
1918-09-10
Process for the production of oxalic acid.
AT80122B
(en )
1920-02-25
Process for concentrating liquids. Process for concentrating liquids.
AT75599B
(en )
1919-02-25
Process for the enrichment of the potash content of potash salts.
CH52282A
(en )
1911-11-01
Method of purifying water
CH57449A
(en )
1913-01-02
Process for the preparation of p-cresol