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NORDDEUTSCHE CHEMISCHE WERKE G
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NORDDEUTSCHE CHEMISCHE WERKE G
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Application filed by NORDDEUTSCHE CHEMISCHE WERKE GfiledCriticalNORDDEUTSCHE CHEMISCHE WERKE G
Publication of ES296471A2publicationCriticalpatent/ES296471A2/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Improvements introduced in the object of the main Patent no. 269,578, that is, by a process for the manufacture of urea from carbon monoxide and ammonia, characterized in that the conversion of carbon monoxide and sulfur vapor into carbon oxysulfide takes place in contact masses with heavy metal sulphides at temperatures of 250 to 700ºC and with residence times of 0.01 to 20 seconds. (Machine-translation by Google Translate, not legally binding)
ES0296471A1963-02-161964-03-25A procedure for the manufacture of urea (Machine-translation by Google Translate, not legally binding)
ExpiredES296471A2
(en)
A procedure for the treatment of a mixture of symmetrical and asymmetric diclorotetrafluorethane. (Machine-translation by Google Translate, not legally binding)
Procedure for the use of the solutions obtained in the washing to the ammonium of the final gas of sulfuric acid contact facilities. (Machine-translation by Google Translate, not legally binding)
A procedure for the polycondensation of acid amidas alquiliden-alquiliden and aralquiliden-bis-halºgenocarboxºlico (Machine-translation by Google Translate, not legally binding)
A process for the manufacture of acetonacianhydrine starting from hydrochloric acid and acetone (Machine-translation by Google Translate, not legally binding)