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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Priority to ES0158409ApriorityCriticalpatent/ES158409A1/es
Publication of ES158409A1publicationCriticalpatent/ES158409A1/es
Tubo de descarga eléctrica provisto de una pantalla fluorescente o de una capa fluorescente que contiene a un silicato de zinc de berilio y de magneso de la composición Ma2SiO4 o sensiblemente de esta composición estando el zinc el berilio y el manganeso divididos de tal modo que por 100 moléculas-gramos de silicato de berilio y 25 moléculas-gramos de silicato de manganeso (Mn2SiO4).
ES0158409A1942-08-271942-08-27Un tubo de descarga que contiene una mezcla luminiscente
ExpiredES158409A1
(es)