CH515186A
(en )
1971-11-15
Process for the production of cyanogen chloride
CH329362A
(en )
1958-04-30
Process for the production of urea
CH498811A
(en )
1970-11-15
Process for the production of urea from ammonia and carbon dioxide
CH437230A
(en )
1967-06-15
Process for the production of synthesis gas for ammonia synthesis
CH351265A
(en )
1961-01-15
Process for separating mixtures of carbon dioxide and ammonia into the components
AT251003B
(en )
1966-12-12
Process for the production of ammonia and sulfur oxides from ammonium sulphate liquors
AT249074B
(en )
1966-09-26
Process for the production of urea from ammonia and carbon dioxide
CH352323A
(en )
1961-02-28
Process for the production of urea
CH357387A
(en )
1961-10-15
Process and apparatus for the production of urea
CH284406A
(en )
1952-07-31
Process for the production of urea from carbon dioxide and ammonia.
AT191425B
(en )
1957-08-26
Process for the production of urea from ammonia and carbon dioxide
CH336983A
(en )
1959-03-15
Process for the production of copolymers of acrylonitrile and their use
CH290289A
(en )
1953-04-30
Process for the separation of carbon dioxide and ammonia.
CH414591A
(en )
1966-06-15
Process for the production of urea from NH3 and CO2 and device for carrying out this process
AT187917B
(en )
1956-12-10
Process to prevent corrosion in the production of urea from NH3 and CO2
AT244984B
(en )
1966-02-10
Process for the production of urea from carbon dioxide and ammonia
AT239811B
(en )
1965-04-26
Process for the production of synthesis gas for the ammonia synthesis
AT317909B
(en )
1974-09-25
Process for urea production from ammonia and carbon dioxide
AT181861B
(en )
1955-05-10
Process and plant for the production of ice blocks
AT175897B
(en )
1953-08-25
Process for reducing corrosion in the production of urea from carbon dioxide and ammonia
AT190618B
(en )
1957-07-10
Process for the continuous production of fuel gases consisting mainly of CO and H2
CH344709A
(en )
1960-02-29
Process for the catalytic production of hydrocyanic acid and hydrogen from mixtures of hydrocarbons and ammonia
CH416584A
(en )
1966-07-15
Process for the production of cyanic acid from urea
CH370762A
(en )
1963-07-31
Process and apparatus for the production of urea
CH345882A
(en )
1960-04-30
Process for the production of low-biuret urea