CH81905A
(en )
1919-08-01
Process for the production of guanidine sulfate from dicyandiamidine sulfate
CH81775A
(en )
1919-07-16
Process for the production of zinc sulfate from zinc blende
CH78547A
(en )
1919-01-16
Process for the production of cyanamide solution from calcium cyanamide
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH79296A
(en )
1919-04-01
Process for the production of shaped pieces from magnesia cement
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH76307A
(en )
1917-12-01
Process for the production of flat structures from waste material
CH75891A
(en )
1918-01-02
Process for the production of structural parts from calcium or calcium alloys
CH79339A
(en )
1918-11-01
Process for the preparation of acetaldehyde from acetylene
CH77857A
(en )
1918-06-01
Process for the production of inulin which can be used for therapeutic purposes from plants
AT91345B
(en )
1923-02-26
Process for the production of iron leather.
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH80810A
(en )
1919-04-16
Process for the manufacture of locking pins
CH81325A
(en )
1919-06-02
Process for the production of light, elastic objects for play purposes
AT87474B
(en )
1922-02-25
Process for the production of mercury oxide.
CH75154A
(en )
1917-06-01
Process for the production of shaped pieces from fodder
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.