CH498811A
(en )
1970-11-15
Process for the production of urea from ammonia and carbon dioxide
CH329362A
(en )
1958-04-30
Process for the production of urea
AT207857B
(en )
Process for the production of hydrocyanic acid by reacting hydrocarbons with ammonia in the catalyst bed
CH355614A
(en )
1961-07-15
Process for the production of polyamides from dicarboxylic acids and diamines or from aminocarboxylic acids in continuous operation
CH459175A
(en )
1968-07-15
Process for the production of urea and device for carrying out the process
AT251003B
(en )
1966-12-12
Process for the production of ammonia and sulfur oxides from ammonium sulphate liquors
CH351265A
(en )
1961-01-15
Process for separating mixtures of carbon dioxide and ammonia into the components
CH284406A
(en )
1952-07-31
Process for the production of urea from carbon dioxide and ammonia.
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
CH290289A
(en )
1953-04-30
Process for the separation of carbon dioxide and ammonia.
CH336983A
(en )
1959-03-15
Process for the production of copolymers of acrylonitrile and their use
CH414591A
(en )
1966-06-15
Process for the production of urea from NH3 and CO2 and device for carrying out this process
AT191425B
(en )
1957-08-26
Process for the production of urea from ammonia and carbon dioxide
AT187917B
(en )
1956-12-10
Process to prevent corrosion in the production of urea from NH3 and CO2
CH266634A
(en )
1950-02-15
Process for the production of nitrogen dioxide in concentrated form.
AT244984B
(en )
1966-02-10
Process for the production of urea from carbon dioxide and ammonia
CH266869A
(en )
1950-02-28
Process for the continuous production of synthetic threads and device for carrying out the process.
AT317909B
(en )
1974-09-25
Process for urea production from ammonia and carbon dioxide
CH387015A
(en )
1965-01-31
Process for recycling carbon dioxide and ammonia in urea synthesis
CH433244A
(en )
1967-04-15
Process for the production of urea
AT181861B
(en )
1955-05-10
Process and plant for the production of ice blocks
AT239811B
(en )
1965-04-26
Process for the production of synthesis gas for the ammonia synthesis
AT242160B
(en )
1965-09-10
Process for the production of urea