CH433212A
(en )
1967-04-15
Method for purifying aqueous hydrochloric acid
CH398244A
(en )
1965-08-31
Process for electrolytic etching of aluminum surfaces
CH431486A
(en )
1967-03-15
Process for the production of acid derivatives
CH401273A
(en )
1965-10-31
Method of manufacturing semiconductor elements
CH423261A
(en )
1966-10-31
Process for the production of terpolymers
CH479534A
(en )
1969-10-15
Process for purifying 1-aminoadamantane
CH429725A
(en )
1967-02-15
Process for the preparation of substituted nicotinic acid phenyl-ethylamides
CH403438A
(en )
1965-11-30
Method of targeted doping
AT249860B
(en )
1966-10-10
Process for the preparation of α-aminoacyl-6-aminopenicillanic acid derivatives
CH473891A
(en )
1969-06-15
Method of malting grains
CH399479A
(en )
1965-09-30
Process for purifying polymyxins
CH420489A
(en )
1966-09-15
Process for purifying crude streptokinase
CH410899A
(en )
1966-04-15
Continuous process for purifying crude phthalic acid
CH401634A
(en )
1965-10-31
Process for the shaping processing of semiconductor crystals
AT242665B
(en )
1965-09-27
Method of extracting hafnium
AT242104B
(en )
1965-08-25
Method of purifying phosphorus
CH405254A
(en )
1966-01-15
Method for purifying sodium chloride
CH377818A
(en )
1964-05-31
Catalytic process
AT247830B
(en )
1966-06-27
Method of finishing
AT217822B
(en )
1961-10-25
Process for regenerating the free and used hydrochloric acid from aluminum etching baths
CH391671A
(en )
1965-05-15
Process for cleaning technical hydrofluoric acid
AT241244B
(en )
1965-07-12
Method of interconnecting metal layers
CH442349A
(en )
1967-08-31
Process for the preparation of derivatives of α-tetronic acid
CH424760A
(en )
1966-11-30
Process for the preparation of derivatives of fluoro-dichloro-methanesulfenic acid
CH396935A
(en )
1965-08-15
Process for obtaining glutamic acid