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.)
Cristales Opticos Saco SA De
Original Assignee
Cristales Opticos Saco SA De
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 Cristales Opticos Saco SA DefiledCriticalCristales Opticos Saco SA De
Priority to ES391991ApriorityCriticalpatent/ES391991A1/en
Publication of ES391991A1publicationCriticalpatent/ES391991A1/en
Process for the hardening of organic lenses, characterized by the deposit on the surface of the lens a layer of controlled thickness of a silicic material, the group comprising quartz (silicic dioxide), borosilicate and silicic compounds of fluorine, by means of a sublimation operation thereof in a high vacuum hood, in which this is of the order of 10-5 mm hg. (Machine-translation by Google Translate, not legally binding)
ES391991A1971-06-071971-06-07Procedure for the hardening of organic lenses. (Machine-translation by Google Translate, not legally binding)
ExpiredES391991A1
(en)
Procedure and device for the deposit of one or several thin layers of matters, such as enamel and/or metals on the surface of the printed flat glass. (Machine-translation by Google Translate, not legally binding)
Process and device for detecting the position of the edges of the glass layer in a floating oven. (Machine-translation by Google Translate, not legally binding)
A perfection in the procedure of manufacture of photographic reproductions on organic glass supports (Machine-translation by Google Translate, not legally binding)