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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MORA SOLE JUAN
Original Assignee
MORA SOLE JUAN
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Filing date
Publication date
Application filed by MORA SOLE JUANfiledCriticalMORA SOLE JUAN
Priority to ES0044150UpriorityCriticalpatent/ES44150Y/es
Publication of ES44150UpublicationCriticalpatent/ES44150U/es
Application grantedgrantedCritical
Publication of ES44150YpublicationCriticalpatent/ES44150Y/es
"PAPEL DE FILTRO, PERFECCIONADO" caracterizado por el hecho de que presenta una serie de rugosidades asimétricas, más o menos pronunciadas, producidas, con preferencia, formando líneas paralelas al diámetro del disco de papel de filtro, las cuales determinan, en la superficie del papel, huecos y relieves que aumentan la extensión de la superficie de filtraje y refuerzan mecánicamente el filtro, para que no se rompa tan fácilmente, al ser reblandecido por el líquido.
ES0044150U1954-09-211954-09-21Papel de filtro, perfeccionado
ExpiredES44150Y
(es)
Process for increasing the stability to light of artificial silk, artificial threadsor other artificial objects of regenerated cellulose or unplastified cellulose derivatives