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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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0054800UpriorityCriticalpatent/ES54800Y/en
Publication of ES54800UpublicationCriticalpatent/ES54800U/en
Application grantedgrantedCritical
Publication of ES54800YpublicationCriticalpatent/ES54800Y/en
An improved file-token formed, at least, by an angled "U" shaped stem, one of whose terminals has a deviated extension, which constitutes the top or base of the chip charge and, simultaneously, is closely related to the support. (Machine-translation by Google Translate, not legally binding)
Method of preparation of an N- (5-nitro-2-furfurilideno) -3-amino-5-tertiarioaminometil-2-oxazolidona, represented by the formula: (Machine-translation by Google Translate, not legally binding)