CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
AT172927B
(en )
1952-10-25
Process for cavitation treatment of liquids
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
AT176805B
(en )
1953-11-25
Process for the treatment of feed water in high pressure vessels
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
AT170282B
(en )
1952-02-11
Process for treating oils
AT176803B
(en )
1953-11-25
Process for the treatment of industrial and service water
AT187999B
(en )
1956-12-10
Process for the continuous treatment of liquid hydrocarbons
CH266637A
(en )
1950-02-15
Process for the decomposition of d1-methionine.
AT175002B
(en )
1953-05-26
Process for the aromatization of liquid hydrocarbons
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT185357B
(en )
1956-04-25
Process for the catalytic hydrogenation of CO with water vapor
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT178342B
(en )
1954-04-26
Process for the treatment of printing blankets
AT176832B
(en )
1953-11-25
Process for treating liquids with activated carbon
AT175851B
(en )
1953-08-25
Process for rendering the hardness components of water harmless
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
CH306040A
(en )
1955-03-31
Process for evaporation of liquids.
CH255632A
(en )
1948-06-30
Process for the treatment of water.
CH255633A
(en )
1948-06-30
Process for the deacidification of water.
AT177768B
(en )
1954-03-10
Process for the production of unsaturated nitriles
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
AT178262B
(en )
1954-04-26
Method of treating bowels
AT170871B
(en )
1952-04-10
Process for the preparation of diarylacetonitriles
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases