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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Filing date
Publication date
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES246715A1publicationCriticalpatent/ES246715A1/es
Procedimiento para la producción de cuepos moldeados aclarados ópticamenteparticularmente fibrasa base de poliamidascaracterizado porque se adiciona a éstasdespués de la polimerización y antes del moldeoaclaradores que contienen grupos de ácido sulfónico que no contienen grupos aptos para reaccionar con poliamidasen forma de sus ácidos sulfónicos libres.
ES0246715A1958-01-241959-01-23Procedimiento para la produccion de cuerpos moldeados aclarados opticamente
ExpiredES246715A1
(es)