CH327712A
(en )
1958-02-15
Process for cleaning silicon
CH364114A
(en )
1962-08-31
Process for the production of mixed polyamides
AT190627B
(en )
1957-07-10
Process for homogenizing molten polyamides
AT278221B
(en )
1970-01-26
Process for processing high quality oils
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
CH306041A
(en )
1955-03-31
Process for the separation of multi-substance mixtures.
AT175871B
(en )
1953-08-25
Process for the lightening of fibers
AT185785B
(en )
1956-06-11
Process for finishing polyamide fiber material
AT177860B
(en )
1954-03-10
Process for conveying viscous substances
AT187104B
(en )
1956-10-25
Process for the purification of lactams of the ω-aminocarboxylic acids
CH296662A
(en )
1954-02-28
Process for purifying acrylonitrile.
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
AT189175B
(en )
1957-03-11
Process for the production of lactams
CH322645A
(en )
1957-06-30
Process for the production of semi-pulp
AT180058B
(en )
1954-11-10
Process for the purification of impure lactams
AT195035B
(en )
1958-01-25
Process for obtaining vitamins of the B12 group
AT193359B
(en )
1957-11-25
Process for the purification of raw lactams
AT179096B
(en )
1954-07-10
Process for the production of magnesium
AT176363B
(en )
1953-10-10
Process for hardening ethoxylin resins
AT176674B
(en )
1953-11-10
Process for hardening ethoxylin resins
AT183072B
(en )
1955-09-10
Process for the production of pure γ-hexachlorocyclohexane
AT184594B
(en )
1956-02-10
Process for the reduction of ores
AT176837B
(en )
1953-11-25
Process for the preparation of 3,6-pseudocumylenediamine
AT178901B
(en )
1954-06-25
Process for the preparation of N-substituted aminocarboxylic acids
AT172118B
(en )
1952-08-11
Process for cooling mines