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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VOGEL REINHARD ERNST
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VOGEL REINHARD ERNST
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Publication date
Application filed by VOGEL REINHARD ERNSTfiledCriticalVOGEL REINHARD ERNST
Publication of ES214289A3publicationCriticalpatent/ES214289A3/en
Process for the production of artificial resins starting from urea and formaldehyde or their substitution products in known molar ratios, preferably 2-2.4 mol of formaldehyde at 37% by weight per 1 mol of urea or of dimethylol urea, characterized in that they condense with a ph higher than 6.1 and especially 6.80-6.40. (Machine-translation by Google Translate, not legally binding)
ES0214289A1951-12-131954-03-20Procedure for the production of artificial resins (Machine-translation by Google Translate, not legally binding)
ExpiredES214289A3
(en)
Procedure for the preparation of improved synthetic products capable of transforming in fibers (Machine-translation by Google Translate, not legally binding)