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Novartis AG
Original Assignee
Ciba Geigy AG
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Publication date
Priority claimed from CH350160Aexternal-prioritypatent/CH393361A/en
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES266139A1publicationCriticalpatent/ES266139A1/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Epoxy Compounds
(AREA)
Abstract
Procedure for the preparation of new epoxide compounds, of the general formula ** (See formula) ** in which R1 and R2 signify hydrogen atoms, halogen atoms, alkyl groups or alkoxy groups, or, together, they form a fused aromatic ring, X1 and X2 mean hydrogen atoms or methyl groups, Y means the radical of a bivalent alcohol containing at least one epoxide group, and means an integer value of 1 or 2, p means an integer value from 1 to 3, n means a small number, in particular by the value of 1 or 2, and Z means a hydrogen atom an aliphatic radical with n free valencies, characterized by being treated with epoxidizing agents, such as in particular organic peroxides, acetals of the general formula ** (See formula) ** wherein R1, R2, X1, X2, Z, y, n and p have the meaning indicated above, while Y 'means the radical of a bivalent alcohol containing an epoxidizable group. (Machine-translation by Google Translate, not legally binding)
ES0266139A1960-03-291961-03-28Procedure for the preparation of new epoxid compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES266139A1
(en)
A method of stabilizing a solid polymer against deterioration by exposure to the weather. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new compounds of 1,4-benzodioxane and 1,5-benzodioxane and of 1,5-benzodioxepane (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new acetals containing epoxidal groups or at least containing two epoxytic groups (Machine-translation by Google Translate, not legally binding)