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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Villamarin Calvino Zacarias
Original Assignee
Villamarin Calvino Zacarias
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Villamarin Calvino ZacariasfiledCriticalVillamarin Calvino Zacarias
Priority to ES113705UpriorityCriticalpatent/ES113705Y/en
Publication of ES113705UpublicationCriticalpatent/ES113705U/en
Application grantedgrantedCritical
Publication of ES113705YpublicationCriticalpatent/ES113705Y/en
Perfected suction machine for sulphatators characterized by possessing in the throat of the funnel and near the end an inner annular groove or channel and for being the grille mounted solidly in a metal ring with exterior dimensions equal to the interiors of the groove mentioned. (Machine-translation by Google Translate, not legally binding)
ES113705U1965-05-211965-05-21
PERFECTED STRAINER FOR SULFATORS.
ExpiredES113705Y
(en)
Procedure for the preparation of 1-amino-2-hydroxy-alcoxy-4-hydroxyantraquinones or 1-amino-2-alcoxyalcoxy-4-hydroxyantraquinones. (Machine-translation by Google Translate, not legally binding)