CH515186A
(en )
1971-11-15
Process for the production of cyanogen chloride
CH300957A
(en )
1954-08-31
Process for the production of semi-pulp.
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
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.
AT184594B
(en )
1956-02-10
Process for the reduction of ores
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH307970A
(en )
1955-06-30
Process for the production of chlorofluoroethenes.
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT179547B
(en )
1954-09-10
Process for the reduction of iron oxides
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT179096B
(en )
1954-07-10
Process for the production of magnesium
CH307001A
(en )
1955-05-15
Process for the manufacture of explosives.
AT180410B
(en )
1954-12-10
Process for the production of copper-boron alloys
AT175568B
(en )
1953-07-25
Process for the cleavage of thioethers
AT177359B
(en )
1954-01-25
Process for the manufacture of explosives
AT176552B
(en )
1953-11-10
Process for the production of metal- and acetal-free aldehydes
AT176554B
(en )
1953-11-10
Process for the production of new dibutolactam
AT176115B
(en )
1953-09-25
Process for the direct production of positives
AT178537B
(en )
1954-05-25
Process for the direct production of positives
AT179827B
(en )
1954-10-11
Process for the production of halophosphates
AT188721B
(en )
1957-02-11
Process for the processing of ferrous sulphate
AT185653B
(en )
1956-05-25
Process for the production of metal pipes