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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and CofiledCriticalEI Du Pont de Nemours and Co
Priority to ES0238317ApriorityCriticalpatent/ES238317A3/es
Publication of ES238317A3publicationCriticalpatent/ES238317A3/es
Perfeccionamientos introducidos en la fabricación de poliésteres modificados, caracterizados porque comprenden un poliéster modificado que contiene en la molécula de polímero una proporción pequeña de uno o más radicales orgánicos que contienen por lo menos un grupo sulfonato en forma de una sal metálica.
ES0238317A1957-10-291957-10-29MEJORAS EN POLIÉSTERES MODIFICADOS Y MÉTODO PARA SU FABRICACIoN
ExpiredES238317A3
(es)