AT98415B
(en )
1924-11-10
Process for cleaning wood tar oils.
AT105077B
(en )
1926-12-27
Method for the preparation of codeinone.
AT133986B
(en )
1933-06-26
Process for making records.
AT98418B
(en )
1924-11-10
Process for the preparation of hydroquinone.
AT106038B
(en )
1927-03-25
Process for the production of stencil sheets for copying purposes.
AT98805B
(en )
1924-12-27
Process for manufacturing glass flycatchers.
AT99773B
(en )
1925-04-25
Process for the production of playing figures.
AT115229B
(en )
1929-12-10
Process for making color photographs.
AT108422B
(en )
1927-12-27
Process for the preparation of oxycodeinone.
AT113608B
(en )
1929-06-25
Process for the production of pre-workpieces for eye tools, in particular sapins.
AT124439B
(en )
1931-09-10
Process for the production of dolls for galvanic dry elements.
AT119965B
(en )
1930-11-25
Process for the preparation of 1-phenyl-1-oxo-2-methylaminopropane.
AT101684B
(en )
1925-11-25
Process for the preparation of alkyl ethers of the morphine series.
AT111535B
(en )
1928-12-10
Process for the production of artificial leather.
AT120394B
(en )
1930-12-27
Process for the production of synthetic resins.
AT112627B
(en )
1929-03-25
Process for the production of paper stone.
AT119634B
(en )
1930-11-10
Method of making gramophone needles.
AT101952B
(en )
1925-12-10
Process for the preparation of rubber solutions in non-volatile solvents.
AT96450B
(en )
1924-03-26
Device for the automatic parallel connection of AC machines.
AT118867B
(en )
1930-08-25
Process for the production of insulating paper containing phenolic resins.
AT109987B
(en )
1928-06-25
Process for the production of printing forms.
AT109680B
(en )
1928-05-25
Process for the pretreatment of hair to be processed on felt.
AT122013B
(en )
1931-03-25
Process for converting resites into novolaks.
AT138055B
(en )
1934-06-25
Process for the production of road surfaces.
AT102308B
(en )
1926-01-11
Process for the preparation of dihydrocodeinone from thebaine.