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
Original Assignee
Ciba Geigy 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 Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES400723ApriorityCriticalpatent/ES400723A2/en
Publication of ES400723A2publicationCriticalpatent/ES400723A2/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Improvements in main patent no. 395,198, for a procedure to stabilize organic material, characterized by incorporating into said organic material a lower proportion of a compound having formula I **(See formula)** where A is (see formula) R1 and R2 are the same or different and each is a straight or branched chain alkyl group having 1 to 6 carbon atoms and n is 0 or 1; obtained by reacting a compound having the formula **(See formula)** R1, R2, A and n have their previous significance, with a compound having the formula **(See formula)** (Machine-translation by Google Translate, not legally binding)
ES400723A1972-03-131972-03-13Procedure for stabilizing organic material. (Machine-translation by Google Translate, not legally binding)
ExpiredES400723A2
(en)