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 ES232558A1publicationCriticalpatent/ES232558A1/es
Procedimiento para el aclarado óptico de fibras sintéticas, caracterizado porque se impregna las fibras con preparaciones acuosas que contiene medios aclaradores que en estas fibras no producen ningún efecto aclarador según el procedimiento de desarrollo y, además, con una resina artificial, secando seguidamente las fibras así impregnadas.
ES0232558A1955-12-201956-12-19PROCEDIMIENTO PARA EL ACLARADO oPTICO DE FIBRAS SINTÉTICAS
ExpiredES232558A1
(es)