CH37037A
(en )
1907-04-15
Apparatus for the production of nitric acid or nitrogen oxide from a mixture of oxygen and nitrogen
CH31189A
(en )
1905-03-15
Apparatus for the production of nitric acid, respectively. Nitrogen oxide from a mixture of oxygen and nitrogen
CH43629A
(en )
1909-05-17
Process for the production of nitric acid from a mixture of nitrogen dioxide with air
CH38477A
(en )
1907-10-31
Device for the electrical production of nitrogen compounds from air and other gas mixtures containing nitrogen and oxygen
CH42511A
(en )
1909-02-01
Process for the preparation of pure nitric acid from nitrous gases diluted with air
AT36420B
(en )
1909-02-25
Process for ozonizing oxygen or gas mixtures containing oxygen.
CH36813A
(en )
1907-03-15
Plant for the production of gas air mixture
CH57767A
(en )
1913-02-01
Process for extracting oxygen and nitrogen from air
CH43323A
(en )
1909-05-01
Process for the production of a solid fertilizer containing nitrogen and phosphoric acid
CH45318A
(en )
1909-11-01
Improvement in the process for the preparation of nitric acid from calcium nitrate and sulfuric acid
CH38571A
(en )
1907-11-15
Machine for the production of hollow bodies from parallel frames, a cover and tape-like fasteners
CH48703A
(en )
1910-11-16
Process and system for the concentration of weak nitric acid
CH51110A
(en )
1911-07-17
Process for obtaining a gas mixture consisting of nitrogen and carbonic acid
CH34032A
(en )
1906-02-28
Apparatus for separating nitrogen and oxygen from gas mixtures containing nitrogen and oxygen
CH43631A
(en )
1909-06-01
Method and apparatus for the production of ozone
DK8961C
(en )
1906-10-22
Apparatus for Oxidation of Air Nitrogen for the Production of Nitric Acid.
CH50221A
(en )
1911-05-01
Process and device for the production of bonbonnières
CH43778A
(en )
1909-06-16
Process for the production of nitrogen dioxide air mixtures
CH45985A
(en )
1910-01-17
Process for the production of shaped pieces from small cork
CH65917A
(en )
1914-08-01
Process and apparatus for the production of high percentage nitric acid
AU545306B
(en )
1907-01-15
Process of desulphurization and subsequent smelting
CA101341A
(en )
1906-10-02
Process of concntrating nitric acid
CH52169A
(en )
1911-11-01
Process for the continuous extraction of liquefied air and the separation of life into nitrogen and oxygen
CH44225A
(en )
1909-08-02
Process for the production of hydrocyanic acid
AT36442B
(en )
1909-02-25
Process for the production of potassium superoxide or a mixture rich in potassium superoxide.