AT38133B
(en )
1909-07-26
Process for the extraction of pure copper from ammoniacal copper solutions.
AT28171B
(en )
1907-04-25
Process for the extraction of copper or lead from poor ores.
AT40071B
(en )
1909-12-10
Process for the production of electrodes from molten iron oxide of any origin.
AT31203B
(en )
1907-12-27
Process for the separation of cellulose esters from solutions.
AT34164B
(en )
1908-08-25
Process for the extraction of pure rubber from rubber-containing parts of plants.
AT9482B
(en )
1902-10-25
Process for the production of briquettes from cattle salt.
AT35448B
(en )
1908-12-10
Process for the preparation of concentrated formic acid from formates.
AT33884B
(en )
1908-08-10
Process for obtaining essential oils from hops.
AT31746B
(en )
1908-02-10
Process for making clear tinctures.
AT37549B
(en )
1909-06-11
Process for the production of tetranitrodiglycerin.
AT29951B
(en )
1907-09-25
Process for the production of dynamo brushes from carbon.
AT42542B
(en )
1910-06-10
Process for the production of incandescent bodies from tungsten metal.
AT35845B
(en )
1909-01-11
Process for the preparation of methylencitric acid.
AT59850B
(en )
1913-06-25
Process for extracting vanadium from composite ores.
AT32287B
(en )
1908-03-26
Process for the production of colored or metal foils.
AT31234B
(en )
1907-12-27
Process for the production of an insulating compound.
AT34089B
(en )
1908-08-25
Process for the production of longitudinally welded pipes.
AT53301B
(en )
1912-04-25
Process for the electrolytic separation of mercury from poor ores.
AT44956B
(en )
1910-11-10
Process for the production of collector plates from coal.
AT35413B
(en )
1908-12-10
Process for rendering lithopon lightfast.
AT27416B
(en )
1907-02-11
Process for the production of lead acetates.
AT27287B
(en )
1907-01-25
Process for the manufacture of footwear.
AT30079B
(en )
1907-09-25
Process for reshaping the shape of jacketed bullets.
AT79421B
(en )
1919-12-10
Process for extracting zinc from zinc powder (Poussiere).
AT40720B
(en )
1910-01-25
Process for the preparation of dichlorothioindigo derivatives.