ES252755A3 - Procedure for the manufacture of concentrated phosphonic acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture of concentrated phosphonic acid (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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Compagnie de Saint Gobain SA
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Compagnie de Saint Gobain SA
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Priority to ES0252755ApriorityCriticalpatent/ES252755A3/en
Publication of ES252755A3publicationCriticalpatent/ES252755A3/en
Process for manufacturing concentrated phosphonic acid, characterized in that it consists of causing nitrogen oxides to be absorbed in dilute phosphoric acid with more than 20 percent water. (Machine-translation by Google Translate, not legally binding)
ES0252755A1959-10-201959-10-20Procedure for the manufacture of concentrated phosphonic acid (Machine-translation by Google Translate, not legally binding)
ExpiredES252755A3
(en)
Industrial procedure for the preparation of trimethylthenrinitroamin of hexamethylenetramine and nitric acid concentrated in excess, which is recovered directly at high concentration. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of urea inclusion compounds based on perdicarboxylic acids (Machine-translation by Google Translate, not legally binding)