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.)
Iza Galletebeitia Cornelio
Original Assignee
Iza Galletebeitia Cornelio
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 Iza Galletebeitia CorneliofiledCriticalIza Galletebeitia Cornelio
Priority to ES1973198031UpriorityCriticalpatent/ES198031Y/en
Publication of ES198031UpublicationCriticalpatent/ES198031U/en
Application grantedgrantedCritical
Publication of ES198031YpublicationCriticalpatent/ES198031Y/en
Filtering nozzle for smokers characterized by being constituted by a substantially cylindrical tubular body divided internally into three approximately equal parts by two perforated partitions with holes, one of whose partitions is formed in the same tubular body and the other is formed by a discoidal lid with peripheral cylindrical flange that is fitted between two small annular projections of the interior of the tubular body, closing the intermediate chamber thus formed, in which a suitable filtering and purifying material is housed. (Machine-translation by Google Translate, not legally binding)
ES1973198031U1973-11-271973-11-27
FILTERING NOZZLE FOR SMOKERS.
ExpiredES198031Y
(en)
Studies on phenoxazine related compounds. VII. On the preparation of 6-tosyl-1, 2-dihydro-3H-pyrazino (3, 2, 1-KL) phenoxazine and 1, 2-dihydro-3H-pyrazino-(3, 2, 1-KL) phenoxazine by the photochemical reaction of 3-tosyl-1, 2-dihydro-3H-pyrazino (3, 2, 1-KL) phenoxazine