CH65917A
(en )
1914-08-01
Process and apparatus for the production of high percentage nitric acid
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH65918A
(en )
1914-07-16
Method and apparatus for the production of nitrogen-containing metal compounds
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
CH68919A
(en )
1915-05-01
Process for the production of nitrogen
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH59892A
(en )
1913-06-16
Process and apparatus for the preparation of hydrogen
CH65127A
(en )
1914-05-16
Apparatus for the production of nitrogen oxides
CH57344A
(en )
1913-01-02
Process for the production of gas and bubble-free metal blocks
CH55751A
(en )
1912-09-02
Process for the production of pure iron oxide
CH77857A
(en )
1918-06-01
Process for the production of inulin which can be used for therapeutic purposes from plants
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH79338A
(en )
1919-03-17
Process and apparatus for the electrolytic production of mercury oxide
CH57047A
(en )
1912-12-02
Process for the electrolytic treatment of nitric acid
CH68744A
(en )
1915-04-16
Process for the production of carbonic acid baths
CH59410A
(en )
1913-05-02
Process for the production of nitrogen oxides
CH62851A
(en )
1913-12-16
Process and device for the production of white lead
CH67763A
(en )
1915-01-16
Process and drum furnace for the continuous production of calcium cyanamide
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH60919A
(en )
1913-08-16
Process and box for the production of cork insulating bricks and structural components
CH67430A
(en )
1914-12-01
Method for the concentration of dilute nitric acid
CH70902A
(en )
1915-11-01
Process for the production of ammonia
CH72486A
(en )
1916-05-16
Process for the production of compressed yeast
CH64476A
(en )
1914-04-01
Process and device for the continuous production of hydrogen peroxide