CH127439A
(en )
1928-09-01
Process for the preparation of 1-amino-4-p-toluido-2-thiohydrinanthraquinone.
AT107042B
(en )
1927-08-10
Process for repairing the worn guardrails of grooved rails.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
AT132042B
(en )
1933-02-25
Process for the production of aromatic hydrocarbons unsaturated in the side chain.
CH117571A
(en )
1926-11-16
Method of preventing scale build-up.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.
AT121520B
(en )
1931-02-25
Method for tempering railway tracks.
AT127000B
(en )
1932-02-25
Process for improving bituminous masses.
CH107551A
(en )
1924-11-01
Process for improving the adhesiveness of pesticides.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
AT104736B
(en )
1926-11-25
Process for the hydrogenation of coal.
CH111240A
(en )
1925-08-01
Process for the preparation of oxycodeinone.
AT148718B
(en )
1937-02-25
Process for the production of foils.
CH131535A
(en )
1929-02-28
Process for impregnating unpaved roads.
CH108971A
(en )
1925-03-16
Procedure for repairing worn flange wheels.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT108682B
(en )
1928-01-25
Process for the preparation of anthraquinone derivatives.
AT121552B
(en )
1931-02-25
Process for the production of rapidly setting road surfaces.
CH139358A
(en )
1930-04-15
Process for the preparation of i-eugenol.
CH160166A
(en )
1933-02-28
Process for the production of benzene hydrocarbons.
AT108165B
(en )
1927-12-10
Process for cleaning petrol.
AT132016B
(en )
1933-02-25
Process for the production of bichromates.
AT127002B
(en )
1932-02-25
Process for the production of bitumen emulsions for road construction purposes.
CH141289A
(en )
1930-07-31
Process for the production of bituminous cardboard.
AT109154B
(en )
1928-03-26
Process for the production of aluminum salts.