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.)
Optipatent AG
Original Assignee
Optipatent AG
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 Optipatent AGfiledCriticalOptipatent AG
Priority to ES348154ApriorityCriticalpatent/ES348154A3/en
Publication of ES348154A3publicationCriticalpatent/ES348154A3/en
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)
Eyeglasses
(AREA)
Abstract
A method for the manufacture of flexible spectacle frames, characterized in that an epoxy resin is mixed with a compound having between two functional groups capable of reacting with aliphatic groups an aliphatic chain with at least 10 carbon atoms, after which it is poured the mixture obtained in molds, letting it harden in them. (Machine-translation by Google Translate, not legally binding)
ES348154A1967-12-121967-12-12A procedure for the manufacture of flexible sunglasses. (Machine-translation by Google Translate, not legally binding)
ExpiredES348154A3
(en)
A preparation procedure of 5-imino-1-metilcarbamoil3 - (5-nitro-2-furil) -delta-2-1,2,4-triazoline. (Machine-translation by Google Translate, not legally binding)