ANTIOXIDANTS FOR OVERCOAT LAYERS AND METHODS FOR MAKING THE SAME

Antioxidants used for overcoat layers and processes for making the same. The present process for making the antioxidant has proven to be repeatable, cheaper, faster and safer than conventional processes. In particular, the present process uses a different solvent system where crude bis(4-diethylamin...

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Bibliographische Detailangaben
Hauptverfasser:	SABAN MARKO D, MOKHTARI MAHYA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Antioxidants used for overcoat layers and processes for making the same. The present process for making the antioxidant has proven to be repeatable, cheaper, faster and safer than conventional processes. In particular, the present process uses a different solvent system where crude bis(4-diethylamino-2-methylphenyl)-(4-diethylaminophenylmethane) is dissolved in methylethyl ketone at room temperature, followed by product precipitation in a warm mixture of ethanol and water.