DK20990C
(en )
1916-02-14
Process for the Production of Nitrogen Oxides by Catalytic Oxidation of Ammonia.
DK20477C
(en )
1915-08-23
Process for the Production of Nitrogen Oxides by Catalytic Oxidation of Ammonia.
DK27224C
(en )
1921-02-28
Process for the Production of Nitrogen Oxides by Oxidation of Ammonia.
DK15779C
(en )
1912-03-25
Process for the Production of Nitrogen Oxides.
CH69950A
(en )
1915-08-02
Process for the production of nitrogen oxides by the catalytic oxidation of ammonia
CH69951A
(en )
1915-08-02
Process for the production of nitrogen oxides by the catalytic oxidation of ammonia
CH72690A
(en )
1916-06-16
Process for the production of nitrogen oxides by the catalytic oxidation of ammonia
DK16109C
(en )
1912-06-24
Procedure for the Production of Ammonia by Catalytic Combination of Nitrogen and Hydrogen.
DK21034C
(en )
1916-02-28
Process for the production of highly concentrated nitric acid.
DK23321C
(en )
1918-08-05
Apparatus by Furnaces for the production of finely divided metal for catalytic purposes by reduction.
DK27753C
(en )
1921-06-06
Method of Catalytic Production of Ammonia.
DK27933C
(en )
1921-07-04
Method of Catalytic Production of Ammonia.
DK17092C
(en )
1913-03-17
Procedure for the Catalytic Production of Ammonia from the Elements Using Pure Iron as a Contact Substance.
DK16562C
(en )
1912-10-28
Procedure for the Production of Ammonia.
DK29154C
(en )
1922-01-09
Process for the production of concentrated nitric acid.
DK28755C
(en )
1921-11-07
Process for the production of concentrated nitric acid.
DK20410C
(en )
1915-08-09
Procedure for the Catalytic Production of Hydrogen.
DK23527C
(en )
1918-09-16
Process for the production of metal sulphides.
DK20305C
(en )
1915-07-05
Catalytic Reaction Procedure.
DK19302C
(en )
1914-09-28
Method for concentrating aqueous nitric acid.
DK8961C
(en )
1906-10-22
Apparatus for Oxidation of Air Nitrogen for the Production of Nitric Acid.
DK28134C
(en )
1921-08-01
Procedure for the Production of Ammonia.
DK27491C
(en )
1921-04-25
Procedure for the Production of Ammonia.
DK26161C
(en )
1920-06-21
Procedure for the Production of Ammonia.
DK18983C
(en )
1914-07-06
Gas Production Furnace.