CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT175871B
(en )
1953-08-25
Process for the lightening of fibers
CH296654A
(en )
1954-02-28
Process for the extraction of gases containing sulfur dioxide.
AT170871B
(en )
1952-04-10
Process for the preparation of diarylacetonitriles
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
DEP20023B
(en )
1951-06-07
Process for the sulfochlorination of liquid, saturated hydrocarbons
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT175568B
(en )
1953-07-25
Process for the cleavage of thioethers
AT172339B
(en )
1952-08-25
Process for the preparation of γ-chlorobutyryl chloride
CH293393A
(en )
1953-09-30
Process for generating gases.
AT184594B
(en )
1956-02-10
Process for the reduction of ores
AT179547B
(en )
1954-09-10
Process for the reduction of iron oxides
AT177770B
(en )
1954-03-10
Process for the preparation of oxyphenylserines
AT172050B
(en )
1952-07-25
Process for the preparation of N1-acylated aminoarylsulfonamides
AT173458B
(en )
1952-12-27
Process for the preparation of 3-pyridyl-carbinol
CH316743A
(en )
1956-10-31
Process for the preparation of antidiazotates
AT177856B
(en )
1954-03-10
Process for the production of anti-corrosion and sealing agents
AT172118B
(en )
1952-08-11
Process for cooling mines
AT172925B
(en )
1952-10-25
Process for the production of pure olefins
AT171199B
(en )
1952-05-10
Process for the production of components
AT175240B
(en )
1953-06-25
Process for the rectification of liquid mixtures