CH74331A
(en )
1917-02-16
Process for cleaning and decolorizing solutions of organic and inorganic compounds
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
CH57992A
(en )
1913-02-17
Process and system for hydrogenating organic substances with the aid of a catalyte
CH73098A
(en )
1916-10-16
Process for the treatment of organic bodies by electrolytic means
CH54192A
(en )
1912-05-01
Process for cleaning buildings
FR427088A
(en )
1911-07-26
Cleaning process
CH68187A
(en )
1915-02-16
Process for the drainage of organic and inorganic substances
CH79809A
(en )
1919-01-16
Method of dissolving cellulose
CH74133A
(en )
1917-01-16
Process for the regeneration of base exchange materials
CH72856A
(en )
1916-07-17
Process for drawing thin-walled pipes
CH61416A
(en )
1913-09-16
Process for evaporation of liquids
CH77115A
(en )
1918-03-01
Process for the evaporation of liquids and liquids containing liquids
FR465134A
(en )
1914-04-08
Process for treating organic and inorganic substances
CH61912A
(en )
1913-11-01
Process for preserving active oxygen containing compounds
CH52094A
(en )
1911-11-01
Process of bleaching by means of oxygen
AT71089B
(en )
1916-02-10
Process for pickling hollow bodies.
CH57210A
(en )
1912-12-16
Method of making ceilings and walls
FR482907A
(en )
1917-05-11
Method and apparatus for drying
CH62658A
(en )
1913-12-16
Method of making fire boxes
CH63122A
(en )
1914-01-02
Process for drying gases containing water vapor
AT52292B
(en )
1912-02-26
Process for the revitalization of carbonaceous and similar decolorizing agents.
FR466275A
(en )
1914-05-08
Process for dissolving starchy substances
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
CH49603A
(en )
1911-03-01
Process for emulsifying organic compounds