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.
AT108681B
(en )
1928-01-25
Process for splitting off sulfo groups from sulfonic acids from oxy- and amino-anthraquinones.
CH141289A
(en )
1930-07-31
Process for the production of bituminous cardboard.
AT114016B
(en )
1929-08-26
Process for the production of arsenic compounds.
CH117009A
(en )
1926-12-01
Tool for making poster font.
AT109162B
(en )
1928-03-26
Process for heating cereals.
AT106715B
(en )
1927-06-25
Process for separating liquid mixtures.
AT107012B
(en )
1927-08-10
Process for the preparation of tetrazoles.
AT106724B
(en )
1927-06-25
Process for the production of cellulose.
AT107015B
(en )
1927-08-10
Process for the preparation of ester mixtures.
AT109154B
(en )
1928-03-26
Process for the production of aluminum salts.
AT96150B
(en )
1924-02-25
Process for the production of writing boards.
CH139358A
(en )
1930-04-15
Process for the preparation of i-eugenol.
AT109157B
(en )
1928-03-26
Process for purifying gases.
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.
CH125709A
(en )
1928-05-01
Process for the production of molten alumina.
AT106722B
(en )
1927-06-25
Process for the sulphurisation of tar, especially in the construction of tar roads.
AT106704B
(en )
1927-06-25
Process for the production of metal-containing azo dyes.
AT108688B
(en )
1928-01-25
Process for the production of long-life vat dye preparations.
CH114282A
(en )
1926-04-01
Process for the preparation of 4-amino-3-oxybenzene-1-arsic acid.
AT99293B
(en )
1925-02-25
Process for cleaning raw montan wax.
AT108682B
(en )
1928-01-25
Process for the preparation of anthraquinone derivatives.
AT98970B
(en )
1925-01-10
Process for the production of dry yeast.