ES273834A1 - Procedure for the optical clarification of organic materials (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the optical clarification of organic materials (Machine-translation by Google Translate, not legally binding)
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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Publication date
Priority claimed from CH64061Aexternal-prioritypatent/CH403764A/en
Priority claimed from CH1214661Aexternal-prioritypatent/CH439292A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES273834A1publicationCriticalpatent/ES273834A1/en
Process for optical clarification of organic materials, characterized in that they are incorporated into the compounds of 2,5-di- [benzoxazolyl- (2 ')] - thiophene of the formula ** (See formula) ** in which R means a thiophene radical linked in position 2 and 5 to the oxazole rings, X1 means a non-aromatic hydrocarbon radical, with at most 22 carbon atoms, and X2 means a hydrogen atom, a chlorine atom or a non-aromatic hydrocarbon radical, with at most 22 carbon atoms, while X1 and X2 together contain at least 4 carbon atoms, or by the fact that these 2,5-di- [benzoxazolyl- (2 ')] - thiophene compounds are applied to the materials. (Machine-translation by Google Translate, not legally binding)
ES273834A1961-01-191962-01-18Procedure for the optical clarification of organic materials (Machine-translation by Google Translate, not legally binding)
ExpiredES273834A1
(en)
Procedure for the treatment of fibrous materials containing oxy groups concaminated to the modification of the properties of them (Machine-translation by Google Translate, not legally binding)
Procedure for the optical clarification of materials based on polymerization products of chlorous monomers (Machine-translation by Google Translate, not legally binding)