CH146846A
(en )
1931-05-15
Process for the absorption of nitrogen oxides.
CH124527A
(en )
1928-03-16
Process for the preparation of 1-aminoanthraquinone-2-thiohydrin.
AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
AT109157B
(en )
1928-03-26
Process for purifying gases.
AT105700B
(en )
1927-02-25
Process for burning pulverulent fuels
AT107016B
(en )
1927-08-10
Process for cleaning tar and water-containing gases.
CH127247A
(en )
1928-08-16
Process for separating phosphorus from gases containing phosphorus.
AT109162B
(en )
1928-03-26
Process for heating cereals.
CH139358A
(en )
1930-04-15
Process for the preparation of i-eugenol.
AT108165B
(en )
1927-12-10
Process for cleaning petrol.
CH118718A
(en )
1927-01-17
Process for the preparation of benzoxazolone-6-arsic acid.
CH131726A
(en )
1929-02-28
Process for the preparation of N-w-aminoethyl-2-aminonaphthalene-6-carboxylic acid.
AT121542B
(en )
1931-02-25
Process for increasing the calorific value of heating and luminous gases.
AT107012B
(en )
1927-08-10
Process for the preparation of tetrazoles.
AT114016B
(en )
1929-08-26
Process for the production of arsenic compounds.
AT106700B
(en )
1927-06-25
Process for purifying gases containing hydrogen cyanide.
AT108161B
(en )
1927-12-10
Process for the production of printing blocks.
CH131732A
(en )
1929-02-28
Process for the production of printing blocks.
CH111240A
(en )
1925-08-01
Process for the preparation of oxycodeinone.
AT108119B
(en )
1927-11-25
Process for cleaning hot phosphorus furnace gases.
CH125709A
(en )
1928-05-01
Process for the production of molten alumina.
AT109154B
(en )
1928-03-26
Process for the production of aluminum salts.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.