CH458304A
(en )
1968-06-30
Process for the production of sulfur trioxide from gases containing sulfur dioxide
CH286641A
(en )
1952-10-31
Process for the production of nitrogen-free argon by rectification and equipment for carrying out the process
CH307724A
(en )
1955-06-15
Process for the continuous treatment of flat structures made of plastics or plastics-containing materials and device for carrying out the process.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
AT170623B
(en )
1952-03-10
Process for the separation of hydrogen sulfide and carbonic acid from ammonia-containing waters
CH336983A
(en )
1959-03-15
Process for the production of copolymers of acrylonitrile and their use
AT175965B
(en )
1953-09-10
Method and device for the production of threads
AT186515B
(en )
1956-08-25
Process for the production of paper sacks and paper sack produced according to this process
AT171907B
(en )
1952-07-25
Process for the separation of hydrogen sulfide and carbon dioxide from washing liquid containing ammonia
AT176851B
(en )
1953-12-10
Process for the desulphurisation of raw ammonia water containing hydrogen sulphide
CH290289A
(en )
1953-04-30
Process for the separation of carbon dioxide and ammonia.
AT169799B
(en )
1951-12-27
Process for the continuous separation of hydrogen sulfide from gases
AT175706B
(en )
1953-08-10
Process for the extraction of gallium from raw aluminum containing gallium
AT170855B
(en )
1952-04-10
Process for the production of nitriles from aldoximes
CH320299A
(en )
1957-03-31
Process and device for the electrolytic production of persulfuric acid or persulfates
AT170854B
(en )
1952-04-10
Process for the direct extraction of pure sulfur from raw sulfur-containing materials
AT218035B
(en )
1961-11-10
Process for the production of sulfur dioxide by roasting calcium sulphate and substances containing iron sulphide
AT170865B
(en )
1952-04-10
Process for the desulphurisation of ammonia water with a high content of hydrogen sulphide
AT169814B
(en )
1951-12-27
Process for the production of strong gas from lean gas
AT164803B
(en )
1949-12-27
Process for the production of fertilizers
AT169565B
(en )
1951-11-26
Method and device for countercurrent treatment of liquids
AT178630B
(en )
1954-05-25
Process and device for the partial recovery of the sulfur content of pyrites
CH300050A
(en )
1954-07-15
Process and device for the production of image enlargements.
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT177136B
(en )
1953-12-28
Process for the extraction of alumina from substances containing alumina and silica