AT9228B
(en )
1902-09-25
Process for the electrolytic extraction of metal from ores.
AT70348B
(en )
1915-10-25
Process for the production of technically valuable products.
AT9294B
(en )
1902-10-10
Amalgamation process for the extraction of precious metals.
AT53301B
(en )
1912-04-25
Process for the electrolytic separation of mercury from poor ores.
AT62412B
(en )
1913-12-10
Process for leaching copper ores.
AT9227B
(en )
1902-09-25
Process for the electrolytic production of nickel.
AT9293B
(en )
1902-10-10
Amalgamation process for the extraction of precious metals.
AT9941B
(en )
1902-11-25
Process for the production of collector electrodes from finely divided lead.
AT9226B
(en )
1902-09-25
Process for the production of electroplated metal coatings on objects made of fragile material.
AT14368B
(en )
1903-12-10
Process for the preparation of o-oxycarboxylic acids.
AT9974B
(en )
1902-11-25
Process for the production of alkaline earth metal hydroxides by electrolytic means.
AT9292B
(en )
1902-10-10
Process for steel production according to the Siemens-Martin process.
AT15829B
(en )
1904-04-11
Design of the process for the extraction of chemically pure zinc compounds from zinc ores containing zinc oxide.
AT34416B
(en )
1908-09-10
Process for the production of bodies made of tungsten metal or alloys thereof by drawing or rolling.
AT46209B
(en )
1911-01-25
Process for the direct production of iron or steel from finely crushed ores.
AT9764B
(en )
1902-11-10
Process for the manufacture of refractory bodies.
AT9942B
(en )
1902-11-25
Process for the production of an alcohol-containing tea extract.
AT38403B
(en )
1909-08-25
Process for the preparation of ores through precipitation work.
AT25203B
(en )
1906-08-10
Process for the preparation of triiminobarbituric acids.
AT71720B
(en )
1916-05-10
Process for the extraction of native metals directly from their ore deposits.
AT28171B
(en )
1907-04-25
Process for the extraction of copper or lead from poor ores.
AT25104B
(en )
1906-07-25
Process for the production of weather-resistant briquettes using water-soluble binders.
AT59850B
(en )
1913-06-25
Process for extracting vanadium from composite ores.
AT9649B
(en )
1902-10-25
Method and device for lautering the wort.
AT14439B
(en )
1903-12-28
Process for the preparation of dyes of the anthracene series.