CH280487A
(en )
1952-01-31
Process for purifying water.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
CH278279A
(en )
1951-10-15
Process for the electrodialysis of aqueous liquids.
AT183152B
(en )
1955-09-10
Process for the recovery of furfural in extraction processes
CH271087A
(en )
1950-10-15
Process for increasing the wetting ability of mercerising liquors.
AT167429B
(en )
1951-01-10
Process for the preparation of pentaenes
CH306041A
(en )
1955-03-31
Process for the separation of multi-substance mixtures.
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH276136A
(en )
1951-06-30
Process for filtering liquids.
CH289059A
(en )
1953-02-28
System for the recovery of the solvent in the extraction of solid products.
AT175706B
(en )
1953-08-10
Process for the extraction of gallium from raw aluminum containing gallium
AT172614B
(en )
1952-09-25
Method of isolating lactams
AT176434B
(en )
1953-10-26
Process for making margarine
CH288718A
(en )
1953-02-15
Process for the electrodialytic elimination of electrolytes.
CH271816A
(en )
1950-11-15
Process for the construction of body structures.
AT164803B
(en )
1949-12-27
Process for the production of fertilizers
CH268326A
(en )
1950-05-15
Process for the breakdown of dl-tryptophan.
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
AT169315B
(en )
1951-11-10
Process for the aluminothermic extraction of metals
CH266272A
(en )
1950-01-15
Process for influencing the temperature in aircraft spaces.
AT183863B
(en )
1955-11-25
Process for the finishing of skins
AT170032B
(en )
1952-01-10
Process for the extraction of argon
AT176306B
(en )
1953-10-10
Process for the preparation of pentaenes
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT174368B
(en )
1953-03-25
Process for the extraction of iron oxide from iron ores