CH221014A
(en )
1942-05-15
Process for the production of sebacic acid.
CH214666A
(en )
1941-05-15
Process for the production of weld beads without welding cracks
CH224657A
(en )
1942-12-15
Process for the production of structures from polyurethanes.
CH254797A
(en )
1948-05-31
Process for making cryolite.
CH208495A
(en )
1940-02-15
Process for the production of glass melts.
CH226002A
(en )
1943-03-15
Process for the electrolysis of solutions containing alkali salts.
CH236806A
(en )
1945-03-15
Process for the production of welding electrodes for wear-resistant welds.
CH220201A
(en )
1942-03-31
Process for the evaporation of waste liquid from cellulose production.
CH222793A
(en )
1942-08-15
Process for the production of electrodes for galvanic elements and electrolytic cells and electrodes produced by this process.
CH266113A
(en )
1950-01-15
Process for the production of nickel anodes.
CH226877A
(en )
1943-05-15
Process for the production of shaped, porous material.
CH220202A
(en )
1942-03-31
Process for the production of sodium persulfate.
AT173227B
(en )
1952-11-25
Process for the fine cleaning of nickel electrolyte
CH260296A
(en )
1949-03-15
Process for the electrolysis of an aqueous alkali metal chloride solution in a cell.
CH221936A
(en )
1942-06-30
Process for the softening of polyurethanes.
CH224940A
(en )
1942-12-31
Process for the recovery of carbon disulfide.
CH219940A
(en )
1942-03-15
Process for the production of artificial resins.
AT179834B
(en )
1954-10-11
Process for the manufacture of oxide cathodes
CH225775A
(en )
1943-02-28
Process for the production of zeolites.
CH211486A
(en )
1940-09-30
Process for carrying out electrolytic reactions with alternating current.
CH219514A
(en )
1942-02-15
Process for the production of denture replacement parts.
AT121672B
(en )
1931-03-10
Process for the production of positive electrodes for accumulators with alkaline electrolyte.
CH238331A
(en )
1945-07-15
Process for the production of urea.
CA393484A
(en )
1940-12-31
Fused salt electrolysis cell
CH225065A
(en )
1942-12-31
Process for the production of electrodes for electric cathode glow lamps or tubes.