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
Original Assignee
Ciba Geigy 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
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES0237119ApriorityCriticalpatent/ES237119A1/en
Publication of ES237119A1publicationCriticalpatent/ES237119A1/en
Process for the preparation of pigments of dye tub, of soft grain, in finely dispersed form, characterized in that the raw pigment, wet or dry, is milled with a water-soluble organic solvent for the time necessary to obtain the desired fineness of pigment, being eliminated then the solvent until achieving a powdery state of the pigment. (Machine-translation by Google Translate, not legally binding)
ES0237119A1957-08-131957-08-13Procedure for the preparation of colorant pigments tina (Machine-translation by Google Translate, not legally binding)
ExpiredES237119A1
(en)
Procedure for the production of preparations of easily dispersible pigments in organic media. (Machine-translation by Google Translate, not legally binding)
Procedure to dye and make incombustible expandable polystirol, with simultaneous reduction of the time of deformation. (Machine-translation by Google Translate, not legally binding)
A procedure for the incorporation of pigments and other colorants to solvents and dispersants (Machine-translation by Google Translate, not legally binding)