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
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
Priority claimed from CH898469Aexternal-prioritypatent/CH533669A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES380641A1publicationCriticalpatent/ES380641A1/en
Processes Of Treating Macromolecular Substances
(AREA)
Coloring
(AREA)
Abstract
Method for composing dye preparations characterized by intimately mixing a water-insoluble dye and/or optical brighteners with a mixed polymer consisting mainly of styrene and maleic anhydride or a respective water-insoluble derivative which by the action of bases becomes soluble in water. (Machine-translation by Google Translate, not legally binding)
ES380641A1969-06-121970-06-11Procedure for composing coloring preparations. (Machine-translation by Google Translate, not legally binding)
ExpiredES380641A1
(en)
Procedure for dyeing and polymerized staining or mixtures of acrylonitrhyl polymerized or asymmetric dicianethylene. (Machine-translation by Google Translate, not legally binding)
Procedure for staining dyeing of polymers or acrylonitryl copolymers modified with acids (Machine-translation by Google Translate, not legally binding)
Process for the preparation of reaction products of basic dyes which are soluble in alcohol but practically insoluble in water and the use of the process for the preparation of preparations containing these dyes