ES203022A1 - A method for preparing a product containing an alkaline metal acid cyanamide (Machine-translation by Google Translate, not legally binding)
- Google Patents
A method for preparing a product containing an alkaline metal acid cyanamide (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Wyeth Holdings LLC
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American Cyanamid Co
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Priority claimed from US221532Aexternal-prioritypatent/US2656246A/en
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Publication of ES203022A1publicationCriticalpatent/ES203022A1/en
A method of preparing a product containing an alkali metal acid cyanamide characterized by heating a reaction mixture of calcium cyanamide water and an alkali metal hydroxide at a temperature of 60-80ºC at subatmospheric pressure not exceeding 228mm. Of mercury to separate water from acidic alkali metal cyanamide in aqueous dispersion resulting in the respective molar ratios of calcium cyanamide water and alkali metal hydroxide of 1: at least 15: at least 0 8. (Machine-translation by Google Translate, not legally binding)
ES0203022A1951-04-171952-04-16A method for preparing a product containing an alkaline metal acid cyanamide (Machine-translation by Google Translate, not legally binding)
ExpiredES203022A1
(en)
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