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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpAfiledCriticalMontedison SpA
Priority to ES0242998ApriorityCriticalpatent/ES242998A2/es
Publication of ES242998A2publicationCriticalpatent/ES242998A2/es
Mejoras en el objeto de la patente principal nº 220.343, por "procedimiento para mejorar las propiedades tintóreas de fibras textiles, derivadas de polímeros de acrilonitrilo", caracterizadas porque se adiciona poliésteres obtenidos condensando ácidos dicarboxílicos con glicoles o compuestos que contienen dos grupos hidroxilo esterificables a poliacrilonitrilo y/o copolímeros de él, por disolución de ellas en la solución de hilado.
ES0242998A1958-07-091958-07-09PROCEDIMIENTO PARA MEJORAR LAS PROPIEDADES TINToREAS DE FIBRAS TEXTILES DERIVADAS DE POLIMEROS DE ACRILONITRILO
ExpiredES242998A2
(es)
Process for thermal stabilisation of spinning solutions of polyacrylonitrile and/or an acrylonitrile copolymer and solutions stabilised by such process