AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
CH143346A
(en )
1930-11-15
Process for separating the individual fibers from vegetable fibers.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
AT109142B
(en )
1928-03-26
Process for the production of slotted panels, especially for knot catchers
AT107429B
(en )
1927-10-10
Process for the production of liquid, semi-solid or solid synthetic materials.
AT118236B
(en )
1930-06-25
Process for the production of condensation products.
CH138369A
(en )
1930-02-28
Process for the production of saw blades.
AT105031B
(en )
1926-12-27
Process for the production of viscose.
AT127005B
(en )
1932-02-25
Process for the production of condensation products.
AT116564B
(en )
1930-02-25
Process for the production of sodium sulphide.
AT136579B
(en )
1934-02-26
Process for the production of phenol-formaldehyde condensation products.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
CH154163A
(en )
1932-04-30
Process for the production of hydrogen sulfide.
AT121430B
(en )
1931-02-25
Process for the production of phenol-formaldehyde condensation products.
CH116754A
(en )
1926-09-16
Process for the production of isoamyl resorcinol.
CH160166A
(en )
1933-02-28
Process for the production of benzene hydrocarbons.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT116526B
(en )
1930-02-25
Process for the production of synthetic ammonia.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
AT116369B
(en )
1930-02-25
Process for the production of ammonium salts.
AT132005B
(en )
1933-02-25
Process for the manufacture of anhydrous resin products.
AT121547B
(en )
1931-02-25
Process for the manufacture of rubber articles.
AT109154B
(en )
1928-03-26
Process for the production of aluminum salts.
CH145436A
(en )
1931-02-28
Process for the production of persalts by electrolysis.
AT136623B
(en )
1934-02-26
Process for the production of photocells.