CH44751A
(en )
1909-09-01
Process for recovering nitrogen oxides diluted in a gas containing oxygen
CH44368A
(en )
1909-08-02
Process for recovering nitrogen oxides diluted in a gas containing oxygen
CH44750A
(en )
1909-09-01
Process for recovering nitrogen oxides diluted in a gas containing oxygen
CH44094A
(en )
1909-07-01
Process for the recovery in the form of concentrated nitric acid of nitrogen oxides diluted in gases containing oxygen
FR404720A
(en )
1909-12-10
Process for preparing approximately 65% nitric acid. 0 out of 0 by absorption, by means of water, of nitrogen oxides diluted in a gas containing oxygen
FR404630A
(en )
1909-12-07
Process for the recovery and use of nitrogen oxides
FR404230A
(en )
1909-11-25
Further training in apparatus used for the production of nitrogen oxides by means of the electric arc spouting in a gaseous mixture of nitrogen and oxygen
CH44683A
(en )
1909-09-01
Process for the preparation of about 65% nitric acid by absorbing, with water, nitrogen oxides diluted in an oxygen-containing gas
FR421313A
(en )
1911-02-20
Process for recovering nitrous vapors, i.e. nitrogen oxides diluted in indifferent gases
FR502884A
(en )
1920-05-28
Improvement of the process for recovering nitrogen oxides produced by the electric arc in a mixture of dry nitrogen and oxygen
CH50366A
(en )
1911-05-16
Improvement in recovery processes, by cooling, nitrous vapors diluted in a mixture of nitrogen and oxygen
FR441706A
(en )
1912-08-14
Process for the production of pure azotites using nitrous gases containing air or oxygen
FR403473A
(en )
1909-11-05
Process for preparing a gas which can be used for oxygen inhalations
CH44093A
(en )
1909-07-01
Process and installation for the recovery by water of nitrogen oxides diluted in air
FR385605A
(en )
1908-05-19
Recovery in the form of concentrated nitric acid of nitrogen oxides diluted in air or in inert gases
FR396438A
(en )
1909-04-09
Acetylene and oxygen torch for welding and cutting metals
FR366047A
(en )
1906-09-25
Process for removing hydrogen sulphide from gases
FR17889E
(en )
1913-12-06
Apparatus for the industrial production of hydrogen and oxygen gases by the electrolysis of water
FR400333A
(en )
1909-07-24
Process for the purification of lean gas
FR9096E
(en )
1908-08-22
Torch operated by liquid fuels and oxygen
CH37651A
(en )
1907-06-30
Torch for mixture of oxygen and acetylene gas
FR388305A
(en )
1908-08-08
Process for the concentration of highly diluted nitrogen oxides in air
FR447688A
(en )
1913-01-11
Economical process for manufacturing hydrogen and oxygen gases by decomposing water
FR398839A
(en )
1909-06-15
Process for making liquid lighting gas with still gases
FR467223A
(en )
1914-06-06
Process for the cathodic production of hydrogen peroxide in an electrolyte containing oxygen or gases containing oxygen